./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:01,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:02,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:37:02,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:02,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:02,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:02,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:02,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:02,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:02,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:02,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:02,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:02,097 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:02,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:02,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:37:02,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:02,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:02,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:37:02,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:02,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:37:02,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:37:02,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:02,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:02,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:02,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:02,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:02,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:02,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:02,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:37:02,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:02,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:37:02,107 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:02,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:37:02,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:02,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:02,108 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:02,108 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2023-11-19 07:37:02,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:02,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:02,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:02,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:02,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:02,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 07:37:05,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:06,197 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:06,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 07:37:06,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/data/81eb25370/080d886b9b92442f83d4e486d9999894/FLAG4003b7f6b [2023-11-19 07:37:06,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/data/81eb25370/080d886b9b92442f83d4e486d9999894 [2023-11-19 07:37:06,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:06,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:06,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:06,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:06,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:06,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:06" (1/1) ... [2023-11-19 07:37:06,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5597f4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:06, skipping insertion in model container [2023-11-19 07:37:06,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:06" (1/1) ... [2023-11-19 07:37:06,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:06,994 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-19 07:37:06,994 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2023-11-19 07:37:07,440 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_8905ce5d-af82-4948-9baa-7c4477691917/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2023-11-19 07:37:08,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:08,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:08,685 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2023-11-19 07:37:08,686 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2023-11-19 07:37:08,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3918] [2023-11-19 07:37:08,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3925] [2023-11-19 07:37:08,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3933-3934] [2023-11-19 07:37:08,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3948-3949] [2023-11-19 07:37:08,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3980] [2023-11-19 07:37:08,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3983] [2023-11-19 07:37:08,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3986] [2023-11-19 07:37:08,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3989] [2023-11-19 07:37:08,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [4038-4039] [2023-11-19 07:37:08,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [4043-4044] [2023-11-19 07:37:08,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [4048-4049] [2023-11-19 07:37:08,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [4053-4054] [2023-11-19 07:37:08,725 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_8905ce5d-af82-4948-9baa-7c4477691917/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2023-11-19 07:37:08,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___0->state): : "memory", "cc"); [5875-5876] [2023-11-19 07:37:08,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5880-5881] [2023-11-19 07:37:08,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5885-5886] [2023-11-19 07:37:08,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5890-5891] [2023-11-19 07:37:09,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:09,259 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:09,260 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:09,260 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:09,260 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:09,260 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:09,268 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:09,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09 WrapperNode [2023-11-19 07:37:09,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:09,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:09,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:09,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:09,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:09,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:09,654 INFO L138 Inliner]: procedures = 264, calls = 3816, calls flagged for inlining = 133, calls inlined = 113, statements flattened = 6847 [2023-11-19 07:37:09,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:09,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:09,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:09,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:09,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:09,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:09,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:09,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:09,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:10,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:10,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:10,089 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:10,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:10,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:10,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:10,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:10,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (1/1) ... [2023-11-19 07:37:10,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:10,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:10,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8905ce5d-af82-4948-9baa-7c4477691917/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:10,214 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2023-11-19 07:37:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2023-11-19 07:37:10,215 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2023-11-19 07:37:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2023-11-19 07:37:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2023-11-19 07:37:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2023-11-19 07:37:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2023-11-19 07:37:10,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-19 07:37:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-19 07:37:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:37:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:37:10,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:37:10,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:37:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:37:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 07:37:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 07:37:10,221 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2023-11-19 07:37:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2023-11-19 07:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:37:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:37:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:37:10,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:37:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:37:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-19 07:37:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-19 07:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2023-11-19 07:37:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2023-11-19 07:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:37:10,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:37:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-11-19 07:37:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-11-19 07:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:37:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 07:37:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 07:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 07:37:10,294 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 07:37:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:37:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:37:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:37:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2023-11-19 07:37:10,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2023-11-19 07:37:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2023-11-19 07:37:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2023-11-19 07:37:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2023-11-19 07:37:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2023-11-19 07:37:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:37:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:37:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:37:10,296 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:37:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:37:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2023-11-19 07:37:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2023-11-19 07:37:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-11-19 07:37:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-11-19 07:37:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:37:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2023-11-19 07:37:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2023-11-19 07:37:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2023-11-19 07:37:10,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2023-11-19 07:37:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:37:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:37:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:37:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:37:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:37:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:37:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:37:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:37:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:37:10,298 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:37:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:37:10,299 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:37:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:37:10,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:37:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2023-11-19 07:37:10,299 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2023-11-19 07:37:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2023-11-19 07:37:10,299 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2023-11-19 07:37:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2023-11-19 07:37:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2023-11-19 07:37:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2023-11-19 07:37:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2023-11-19 07:37:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-19 07:37:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-19 07:37:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:37:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:37:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:37:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:37:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:37:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2023-11-19 07:37:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2023-11-19 07:37:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:37:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:37:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:37:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-19 07:37:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-19 07:37:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:37:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2023-11-19 07:37:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2023-11-19 07:37:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 07:37:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 07:37:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:37:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:37:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:37:10,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:37:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2023-11-19 07:37:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2023-11-19 07:37:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2023-11-19 07:37:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2023-11-19 07:37:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:37:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:37:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:37:10,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:37:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:37:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:37:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2023-11-19 07:37:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2023-11-19 07:37:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2023-11-19 07:37:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2023-11-19 07:37:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-11-19 07:37:10,304 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-11-19 07:37:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:37:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:37:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:37:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:37:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:37:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2023-11-19 07:37:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2023-11-19 07:37:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:37:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:37:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2023-11-19 07:37:10,305 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2023-11-19 07:37:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2023-11-19 07:37:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2023-11-19 07:37:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:37:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:37:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:37:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:37:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2023-11-19 07:37:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2023-11-19 07:37:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2023-11-19 07:37:10,306 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-19 07:37:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:37:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:37:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-11-19 07:37:10,307 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-11-19 07:37:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2023-11-19 07:37:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2023-11-19 07:37:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:37:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:37:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-19 07:37:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-19 07:37:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2023-11-19 07:37:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2023-11-19 07:37:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2023-11-19 07:37:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2023-11-19 07:37:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2023-11-19 07:37:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2023-11-19 07:37:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2023-11-19 07:37:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2023-11-19 07:37:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 07:37:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 07:37:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:37:10,309 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:37:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 07:37:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 07:37:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:37:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-19 07:37:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-19 07:37:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-11-19 07:37:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-11-19 07:37:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2023-11-19 07:37:10,310 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2023-11-19 07:37:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:10,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 07:37:10,311 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 07:37:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:37:10,311 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:37:10,976 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:10,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:11,228 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:37:25,329 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:25,351 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:25,351 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:37:25,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:25 BoogieIcfgContainer [2023-11-19 07:37:25,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:25,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:25,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:25,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:25,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:06" (1/3) ... [2023-11-19 07:37:25,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d36547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:25, skipping insertion in model container [2023-11-19 07:37:25,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:09" (2/3) ... [2023-11-19 07:37:25,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d36547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:25, skipping insertion in model container [2023-11-19 07:37:25,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:25" (3/3) ... [2023-11-19 07:37:25,380 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2023-11-19 07:37:25,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:25,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:37:25,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:37:25,498 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@217442d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:37:25,499 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:37:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 1627 states, 1168 states have (on average 1.3595890410958904) internal successors, (1588), 1183 states have internal predecessors, (1588), 373 states have call successors, (373), 85 states have call predecessors, (373), 84 states have return successors, (365), 365 states have call predecessors, (365), 365 states have call successors, (365) [2023-11-19 07:37:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 07:37:25,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:25,572 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:25,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:25,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:25,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1596421943, now seen corresponding path program 1 times [2023-11-19 07:37:25,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:25,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142357989] [2023-11-19 07:37:25,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:25,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:37:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:37:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:37:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:37:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:37:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:37:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:37:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:37:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:37:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:37:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:37:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:37:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-19 07:37:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:37:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:37:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:37:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-19 07:37:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:37:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:37:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 07:37:27,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:27,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142357989] [2023-11-19 07:37:27,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142357989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:27,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:27,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:37:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797523675] [2023-11-19 07:37:27,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:27,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:37:27,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:37:27,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:37:27,081 INFO L87 Difference]: Start difference. First operand has 1627 states, 1168 states have (on average 1.3595890410958904) internal successors, (1588), 1183 states have internal predecessors, (1588), 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 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:37:33,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:35,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:38,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:40,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:45,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:47,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:50,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:52,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:56,469 INFO L93 Difference]: Finished difference Result 4791 states and 7016 transitions. [2023-11-19 07:37:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:37:56,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2023-11-19 07:37:56,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:56,535 INFO L225 Difference]: With dead ends: 4791 [2023-11-19 07:37:56,535 INFO L226 Difference]: Without dead ends: 3128 [2023-11-19 07:37:56,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:37:56,557 INFO L413 NwaCegarLoop]: 1929 mSDtfsCounter, 3200 mSDsluCounter, 3683 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 1619 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 5612 SdHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:37:56,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 5612 Invalid, 3788 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1619 Valid, 2161 Invalid, 8 Unknown, 0 Unchecked, 28.7s Time] [2023-11-19 07:37:56,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3128 states. [2023-11-19 07:37:57,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3128 to 3037. [2023-11-19 07:37:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3037 states, 2201 states have (on average 1.348477964561563) internal successors, (2968), 2211 states have internal predecessors, (2968), 670 states have call successors, (670), 166 states have call predecessors, (670), 165 states have return successors, (669), 669 states have call predecessors, (669), 669 states have call successors, (669) [2023-11-19 07:37:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 4307 transitions. [2023-11-19 07:37:57,084 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 4307 transitions. Word has length 131 [2023-11-19 07:37:57,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:57,087 INFO L495 AbstractCegarLoop]: Abstraction has 3037 states and 4307 transitions. [2023-11-19 07:37:57,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 07:37:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 4307 transitions. [2023-11-19 07:37:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-19 07:37:57,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:57,107 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:37:57,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:37:57,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:57,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:57,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1087130847, now seen corresponding path program 1 times [2023-11-19 07:37:57,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:57,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585432838] [2023-11-19 07:37:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:57,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms