./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme --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 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:40,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:40,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-26 11:54:40,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:40,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:40,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:40,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:40,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:40,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:40,936 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:40,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:40,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:40,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:40,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:40,940 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:40,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:40,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:40,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:40,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:40,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:40,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:40,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:40,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:40,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:40,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:40,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:40,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:40,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:40,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:40,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:40,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:40,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:40,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:40,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:40,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:40,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:40,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:40,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:40,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:40,951 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_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d [2023-11-26 11:54:41,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:41,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:41,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:41,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:41,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:41,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-26 11:54:44,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:45,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:45,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-26 11:54:45,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/data/e5807c63d/0e942affb88247b7b45d810ae64834d4/FLAGc93ac3844 [2023-11-26 11:54:45,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/data/e5807c63d/0e942affb88247b7b45d810ae64834d4 [2023-11-26 11:54:45,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:45,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:45,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:45,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:45,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:45,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:45" (1/1) ... [2023-11-26 11:54:45,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757d2593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:45, skipping insertion in model container [2023-11-26 11:54:45,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:45" (1/1) ... [2023-11-26 11:54:45,363 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:46,631 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_50117322-a3cb-4c37-b2b3-2723139ae864/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-11-26 11:54:47,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:48,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:48,130 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"); [3760] [2023-11-26 11:54:48,133 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [3794-3795] [2023-11-26 11:54:48,133 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3798-3799] [2023-11-26 11:54:48,134 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3802-3803] [2023-11-26 11:54:48,135 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [3806-3807] [2023-11-26 11:54:48,150 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_50117322-a3cb-4c37-b2b3-2723139ae864/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2023-11-26 11:54:48,549 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 %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [7459] [2023-11-26 11:54:48,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7466] [2023-11-26 11:54:48,550 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 %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7475-7476] [2023-11-26 11:54:48,551 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,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [7492-7493] [2023-11-26 11:54:48,552 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)); [7507-7508] [2023-11-26 11:54:48,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7521] [2023-11-26 11:54:48,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7524] [2023-11-26 11:54:48,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7527] [2023-11-26 11:54:48,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7530] [2023-11-26 11:54:48,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7547] [2023-11-26 11:54:48,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7550] [2023-11-26 11:54:48,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7553] [2023-11-26 11:54:48,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7556] [2023-11-26 11:54:48,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:48,894 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:48,894 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:48,894 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:48,902 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:48,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48 WrapperNode [2023-11-26 11:54:48,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:48,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:48,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:48,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:48,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:49,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:49,343 INFO L138 Inliner]: procedures = 371, calls = 3106, calls flagged for inlining = 200, calls inlined = 181, statements flattened = 6570 [2023-11-26 11:54:49,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:49,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:49,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:49,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:49,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:49,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:49,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:51,727 INFO L175 MemorySlicer]: Split 1334 memory accesses to 28 slices as follows [2, 4, 2, 680, 2, 1, 2, 26, 2, 3, 1, 17, 1, 2, 273, 4, 14, 2, 3, 67, 2, 34, 42, 2, 70, 67, 2, 7]. 51 percent of accesses are in the largest equivalence class. The 459 initializations are split as follows [0, 4, 0, 130, 0, 0, 0, 0, 0, 0, 0, 16, 0, 2, 0, 4, 14, 0, 0, 67, 0, 34, 42, 0, 70, 67, 2, 7]. The 364 writes are split as follows [1, 0, 1, 118, 0, 1, 1, 0, 1, 2, 0, 0, 0, 0, 234, 0, 0, 1, 2, 0, 1, 0, 0, 1, 0, 0, 0, 0]. [2023-11-26 11:54:51,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:51,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:51,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:51,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:52,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:52,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:52,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:52,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:52,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:52,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:52,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (1/1) ... [2023-11-26 11:54:52,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:52,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:52,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:52,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50117322-a3cb-4c37-b2b3-2723139ae864/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-26 11:54:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-26 11:54:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-26 11:54:52,236 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-26 11:54:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-26 11:54:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-26 11:54:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-26 11:54:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-26 11:54:52,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-26 11:54:52,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-26 11:54:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2023-11-26 11:54:52,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2023-11-26 11:54:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-26 11:54:52,238 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-26 11:54:52,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:54:52,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:54:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-26 11:54:52,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-26 11:54:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-26 11:54:52,239 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-26 11:54:52,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-26 11:54:52,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-26 11:54:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-26 11:54:52,240 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-26 11:54:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-26 11:54:52,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-26 11:54:52,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-26 11:54:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-26 11:54:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-26 11:54:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-26 11:54:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-26 11:54:52,241 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-26 11:54:52,241 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-26 11:54:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-26 11:54:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:54:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:54:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-26 11:54:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-26 11:54:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-26 11:54:52,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-26 11:54:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-26 11:54:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-26 11:54:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-26 11:54:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-26 11:54:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-26 11:54:52,243 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-26 11:54:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-26 11:54:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-26 11:54:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-26 11:54:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-26 11:54:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 11:54:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 11:54:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:54:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:54:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-26 11:54:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-26 11:54:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-26 11:54:52,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-26 11:54:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-26 11:54:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-26 11:54:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-26 11:54:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-26 11:54:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-26 11:54:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-26 11:54:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-26 11:54:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-26 11:54:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:54:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:54:52,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-26 11:54:52,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-26 11:54:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-26 11:54:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-26 11:54:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-26 11:54:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-26 11:54:52,248 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-26 11:54:52,248 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-26 11:54:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-26 11:54:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-26 11:54:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2023-11-26 11:54:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2023-11-26 11:54:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-26 11:54:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-26 11:54:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-26 11:54:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-26 11:54:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-26 11:54:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-26 11:54:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:54:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-26 11:54:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-26 11:54:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-26 11:54:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-26 11:54:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-26 11:54:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-26 11:54:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-26 11:54:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-26 11:54:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-26 11:54:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-26 11:54:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-26 11:54:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-26 11:54:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-26 11:54:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:54:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:54:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:54:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:54:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:54:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:54:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:54:52,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-26 11:54:52,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-26 11:54:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-26 11:54:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-26 11:54:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-26 11:54:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-26 11:54:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-26 11:54:52,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2023-11-26 11:54:52,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#27 [2023-11-26 11:54:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-26 11:54:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-26 11:54:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-26 11:54:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-26 11:54:52,257 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-26 11:54:52,257 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-26 11:54:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-26 11:54:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-26 11:54:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-26 11:54:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-26 11:54:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-26 11:54:52,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-11-26 11:54:52,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-11-26 11:54:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-26 11:54:52,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-26 11:54:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:54:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:54:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:54:52,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:54:52,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-26 11:54:52,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-26 11:54:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-26 11:54:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-26 11:54:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-26 11:54:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-26 11:54:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-26 11:54:52,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-26 11:54:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-26 11:54:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-26 11:54:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2023-11-26 11:54:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2023-11-26 11:54:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#27 [2023-11-26 11:54:52,263 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 11:54:52,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 11:54:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-26 11:54:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-26 11:54:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-26 11:54:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-26 11:54:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-26 11:54:52,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-26 11:54:52,264 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-26 11:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-26 11:54:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-26 11:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-26 11:54:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-26 11:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-26 11:54:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-26 11:54:52,265 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-26 11:54:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-26 11:54:52,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-26 11:54:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-26 11:54:52,266 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-26 11:54:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-26 11:54:52,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-26 11:54:52,266 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-26 11:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-26 11:54:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-26 11:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-26 11:54:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-11-26 11:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-11-26 11:54:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-26 11:54:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-26 11:54:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-26 11:54:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-26 11:54:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-11-26 11:54:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-11-26 11:54:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-26 11:54:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-26 11:54:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-26 11:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-26 11:54:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-26 11:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-26 11:54:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-26 11:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-26 11:54:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-26 11:54:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-26 11:54:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-26 11:54:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-26 11:54:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-26 11:54:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-26 11:54:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-26 11:54:52,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-26 11:54:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-26 11:54:52,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-26 11:54:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:54:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:54:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:54:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:54:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:54:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-26 11:54:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-26 11:54:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2023-11-26 11:54:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#27 [2023-11-26 11:54:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-26 11:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-26 11:54:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-26 11:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-26 11:54:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-26 11:54:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-26 11:54:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-26 11:54:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-26 11:54:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-26 11:54:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-26 11:54:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-26 11:54:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-26 11:54:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-26 11:54:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-26 11:54:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-26 11:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-26 11:54:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-26 11:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-26 11:54:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-26 11:54:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-26 11:54:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-26 11:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-26 11:54:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2023-11-26 11:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2023-11-26 11:54:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2023-11-26 11:54:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2023-11-26 11:54:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-26 11:54:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-26 11:54:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:54:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:54:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:54:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:54:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:54:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-26 11:54:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-26 11:54:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2023-11-26 11:54:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#27 [2023-11-26 11:54:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-26 11:54:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-26 11:54:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-26 11:54:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-26 11:54:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-26 11:54:52,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-26 11:54:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-26 11:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-26 11:54:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:54:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-26 11:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-26 11:54:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-26 11:54:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-26 11:54:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-26 11:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-26 11:54:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:54:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-26 11:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-26 11:54:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-26 11:54:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:54:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-26 11:54:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-26 11:54:52,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#27 [2023-11-26 11:54:52,289 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-26 11:54:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2023-11-26 11:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2023-11-26 11:54:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2023-11-26 11:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2023-11-26 11:54:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 11:54:52,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-26 11:54:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-26 11:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-26 11:54:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-26 11:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-26 11:54:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-26 11:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-26 11:54:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-26 11:54:52,291 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-26 11:54:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2023-11-26 11:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2023-11-26 11:54:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-26 11:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-26 11:54:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-26 11:54:52,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-26 11:54:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-26 11:54:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-26 11:54:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-26 11:54:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-26 11:54:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-26 11:54:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-26 11:54:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-26 11:54:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-26 11:54:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 11:54:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-26 11:54:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-26 11:54:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-26 11:54:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-26 11:54:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-26 11:54:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-26 11:54:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-26 11:54:52,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:54:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:54:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:54:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:54:52,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-26 11:54:52,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-26 11:54:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-26 11:54:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-26 11:54:52,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-26 11:54:52,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#27 [2023-11-26 11:54:52,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:52,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-26 11:54:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-26 11:54:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-26 11:54:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-26 11:54:52,306 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 11:54:52,306 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 11:54:53,395 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:53,400 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:53,698 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:54:54,179 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2023-11-26 11:55:03,863 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:55:04,416 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:55:04,417 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:55:04,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:04 BoogieIcfgContainer [2023-11-26 11:55:04,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:55:04,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:55:04,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:55:04,426 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:55:04,426 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:45" (1/3) ... [2023-11-26 11:55:04,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ad50d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:55:04, skipping insertion in model container [2023-11-26 11:55:04,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:48" (2/3) ... [2023-11-26 11:55:04,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ad50d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:55:04, skipping insertion in model container [2023-11-26 11:55:04,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:55:04" (3/3) ... [2023-11-26 11:55:04,430 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-26 11:55:04,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:55:04,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:55:04,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:55:04,570 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;@58624edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:55:04,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:55:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 1969 states, 1313 states have (on average 1.396039603960396) internal successors, (1833), 1354 states have internal predecessors, (1833), 529 states have call successors, (529), 127 states have call predecessors, (529), 125 states have return successors, (515), 504 states have call predecessors, (515), 515 states have call successors, (515) [2023-11-26 11:55:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-26 11:55:04,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:04,607 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:04,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:55:04,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:04,613 INFO L85 PathProgramCache]: Analyzing trace with hash -605739109, now seen corresponding path program 1 times [2023-11-26 11:55:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:04,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393065945] [2023-11-26 11:55:04,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:04,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:55:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:55:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:55:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:55:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:55:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:55:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:55:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:55:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-26 11:55:06,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:06,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393065945] [2023-11-26 11:55:06,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393065945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:06,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:06,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:55:06,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510586548] [2023-11-26 11:55:06,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:06,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:55:06,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:06,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:55:06,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:55:06,078 INFO L87 Difference]: Start difference. First operand has 1969 states, 1313 states have (on average 1.396039603960396) internal successors, (1833), 1354 states have internal predecessors, (1833), 529 states have call successors, (529), 127 states have call predecessors, (529), 125 states have return successors, (515), 504 states have call predecessors, (515), 515 states have call successors, (515) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-26 11:55:13,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:55:17,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:55:26,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:55:26,826 INFO L93 Difference]: Finished difference Result 6232 states and 9577 transitions. [2023-11-26 11:55:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:55:26,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 65 [2023-11-26 11:55:26,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:55:26,908 INFO L225 Difference]: With dead ends: 6232 [2023-11-26 11:55:26,908 INFO L226 Difference]: Without dead ends: 4232 [2023-11-26 11:55:26,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:55:26,939 INFO L413 NwaCegarLoop]: 2238 mSDtfsCounter, 3703 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1483 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4093 SdHoareTripleChecker+Valid, 5293 SdHoareTripleChecker+Invalid, 3841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1483 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:55:26,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4093 Valid, 5293 Invalid, 3841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1483 Valid, 2356 Invalid, 2 Unknown, 0 Unchecked, 20.0s Time] [2023-11-26 11:55:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4232 states. [2023-11-26 11:55:27,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4232 to 3795. [2023-11-26 11:55:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3795 states, 2560 states have (on average 1.3828125) internal successors, (3540), 2603 states have internal predecessors, (3540), 989 states have call successors, (989), 246 states have call predecessors, (989), 245 states have return successors, (982), 960 states have call predecessors, (982), 982 states have call successors, (982) [2023-11-26 11:55:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 3795 states and 5511 transitions. [2023-11-26 11:55:27,392 INFO L78 Accepts]: Start accepts. Automaton has 3795 states and 5511 transitions. Word has length 65 [2023-11-26 11:55:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:55:27,393 INFO L495 AbstractCegarLoop]: Abstraction has 3795 states and 5511 transitions. [2023-11-26 11:55:27,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-26 11:55:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3795 states and 5511 transitions. [2023-11-26 11:55:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-26 11:55:27,407 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:55:27,407 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:55:27,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:55:27,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:55:27,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:55:27,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1032231793, now seen corresponding path program 1 times [2023-11-26 11:55:27,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:55:27,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742583415] [2023-11-26 11:55:27,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:55:27,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:55:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:55:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:55:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:55:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 11:55:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-26 11:55:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-26 11:55:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-26 11:55:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 11:55:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-26 11:55:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-26 11:55:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:55:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-26 11:55:28,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:55:28,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742583415] [2023-11-26 11:55:28,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742583415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:55:28,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:55:28,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:55:28,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455663824] [2023-11-26 11:55:28,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:55:28,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:55:28,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:55:28,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:55:28,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:55:28,089 INFO L87 Difference]: Start difference. First operand 3795 states and 5511 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)