./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/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_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:44,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:45,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:45:45,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:45,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:45,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:45,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:45,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:45,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:45,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:45,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:45,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:45,091 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:45,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:45,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:45:45,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:45:45,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:45,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:45:45,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:45,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:45:45,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:45:45,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:45,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:45,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:45,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:45,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:45,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:45,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:45,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:45:45,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:45:45,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:45:45,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:45,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:45:45,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:45,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:45,104 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:45,104 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_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4437765aefc9e8e96e3710e0e55c61aa0f0e29783186331c7ab028aba8558a0d [2023-11-19 07:45:45,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:45,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:45,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:45,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:45,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:45,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:45:48,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:45:49,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:45:49,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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 [2023-11-19 07:45:49,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/data/62286d155/acea885bd0af4b8b91fc52d48c978f80/FLAGeec236482 [2023-11-19 07:45:49,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/data/62286d155/acea885bd0af4b8b91fc52d48c978f80 [2023-11-19 07:45:49,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:45:49,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:45:49,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:49,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:45:49,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:45:49,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:49" (1/1) ... [2023-11-19 07:45:49,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11397fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:49, skipping insertion in model container [2023-11-19 07:45:49,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:49" (1/1) ... [2023-11-19 07:45:49,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:51,132 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_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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] [2023-11-19 07:45:52,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:52,511 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:52,621 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] [2023-11-19 07:45:52,624 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] [2023-11-19 07:45:52,625 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] [2023-11-19 07:45:52,625 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] [2023-11-19 07:45:52,626 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] [2023-11-19 07:45:52,642 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_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/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] [2023-11-19 07:45:52,951 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] [2023-11-19 07:45:52,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7466] [2023-11-19 07:45:52,952 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] [2023-11-19 07:45:52,953 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] [2023-11-19 07:45:52,954 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] [2023-11-19 07:45:52,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7521] [2023-11-19 07:45:52,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7524] [2023-11-19 07:45:52,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7527] [2023-11-19 07:45:52,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7530] [2023-11-19 07:45:52,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [7547] [2023-11-19 07:45:52,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7550] [2023-11-19 07:45:52,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7553] [2023-11-19 07:45:52,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [7556] [2023-11-19 07:45:53,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:53,251 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:53,251 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:53,252 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:53,260 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:53,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53 WrapperNode [2023-11-19 07:45:53,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:53,262 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:53,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:53,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:53,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,616 INFO L138 Inliner]: procedures = 371, calls = 3106, calls flagged for inlining = 200, calls inlined = 181, statements flattened = 6466 [2023-11-19 07:45:53,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:53,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:53,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:53,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:53,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:53,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:54,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:54,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:54,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:54,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:54,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:54,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (1/1) ... [2023-11-19 07:45:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:54,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:54,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:54,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb3d9e5-f06f-4265-9a78-35c78c7a0e66/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2023-11-19 07:45:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2023-11-19 07:45:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2023-11-19 07:45:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2023-11-19 07:45:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2023-11-19 07:45:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2023-11-19 07:45:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2023-11-19 07:45:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2023-11-19 07:45:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:45:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:45:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2023-11-19 07:45:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2023-11-19 07:45:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-19 07:45:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-19 07:45:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:45:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:45:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-11-19 07:45:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-11-19 07:45:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2023-11-19 07:45:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2023-11-19 07:45:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2023-11-19 07:45:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2023-11-19 07:45:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2023-11-19 07:45:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2023-11-19 07:45:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-19 07:45:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-19 07:45:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2023-11-19 07:45:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2023-11-19 07:45:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:45:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:45:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:45:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:45:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2023-11-19 07:45:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2023-11-19 07:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:45:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:45:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:45:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-19 07:45:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-19 07:45:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-19 07:45:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-19 07:45:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2023-11-19 07:45:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2023-11-19 07:45:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2023-11-19 07:45:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2023-11-19 07:45:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2023-11-19 07:45:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2023-11-19 07:45:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-19 07:45:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-11-19 07:45:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:45:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:45:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:45:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:45:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2023-11-19 07:45:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2023-11-19 07:45:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2023-11-19 07:45:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2023-11-19 07:45:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2023-11-19 07:45:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2023-11-19 07:45:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-11-19 07:45:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-11-19 07:45:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-11-19 07:45:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-11-19 07:45:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:45:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:45:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:45:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:45:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2023-11-19 07:45:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2023-11-19 07:45:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2023-11-19 07:45:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2023-11-19 07:45:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2023-11-19 07:45:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2023-11-19 07:45:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2023-11-19 07:45:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2023-11-19 07:45:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2023-11-19 07:45:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2023-11-19 07:45:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2023-11-19 07:45:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2023-11-19 07:45:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-11-19 07:45:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-11-19 07:45:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:45:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-19 07:45:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:45:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:45:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:45:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:45:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:45:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:45:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2023-11-19 07:45:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2023-11-19 07:45:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2023-11-19 07:45:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2023-11-19 07:45:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2023-11-19 07:45:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2023-11-19 07:45:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2023-11-19 07:45:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2023-11-19 07:45:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2023-11-19 07:45:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2023-11-19 07:45:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:45:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:45:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:45:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:45:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2023-11-19 07:45:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2023-11-19 07:45:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2023-11-19 07:45:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2023-11-19 07:45:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-19 07:45:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-19 07:45:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:45:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:45:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-11-19 07:45:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-11-19 07:45:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2023-11-19 07:45:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2023-11-19 07:45:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:45:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:45:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:45:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:45:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:45:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:45:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2023-11-19 07:45:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2023-11-19 07:45:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:45:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-19 07:45:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-19 07:45:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-19 07:45:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:45:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:45:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2023-11-19 07:45:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2023-11-19 07:45:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2023-11-19 07:45:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2023-11-19 07:45:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:45:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:45:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:45:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:45:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:45:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:45:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2023-11-19 07:45:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2023-11-19 07:45:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2023-11-19 07:45:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2023-11-19 07:45:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-11-19 07:45:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-11-19 07:45:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:45:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:45:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2023-11-19 07:45:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2023-11-19 07:45:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2023-11-19 07:45:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2023-11-19 07:45:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 07:45:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 07:45:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-11-19 07:45:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2023-11-19 07:45:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:45:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:45:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-19 07:45:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-19 07:45:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-19 07:45:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-19 07:45:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2023-11-19 07:45:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2023-11-19 07:45:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2023-11-19 07:45:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2023-11-19 07:45:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2023-11-19 07:45:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2023-11-19 07:45:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2023-11-19 07:45:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2023-11-19 07:45:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:45:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-11-19 07:45:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-11-19 07:45:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-19 07:45:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-19 07:45:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2023-11-19 07:45:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2023-11-19 07:45:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-19 07:45:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-19 07:45:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2023-11-19 07:45:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2023-11-19 07:45:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2023-11-19 07:45:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2023-11-19 07:45:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 07:45:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 07:45:54,162 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-19 07:45:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-19 07:45:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2023-11-19 07:45:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2023-11-19 07:45:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2023-11-19 07:45:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2023-11-19 07:45:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:45:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:45:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2023-11-19 07:45:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2023-11-19 07:45:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2023-11-19 07:45:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2023-11-19 07:45:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-19 07:45:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2023-11-19 07:45:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:45:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2023-11-19 07:45:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2023-11-19 07:45:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:45:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:45:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2023-11-19 07:45:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2023-11-19 07:45:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-19 07:45:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2023-11-19 07:45:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:45:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-11-19 07:45:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2023-11-19 07:45:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2023-11-19 07:45:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2023-11-19 07:45:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:45:54,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:45:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:45:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:45:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2023-11-19 07:45:54,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2023-11-19 07:45:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2023-11-19 07:45:54,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2023-11-19 07:45:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:45:54,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:45:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:45:54,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:45:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2023-11-19 07:45:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2023-11-19 07:45:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:45:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:45:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-11-19 07:45:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-11-19 07:45:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2023-11-19 07:45:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2023-11-19 07:45:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2023-11-19 07:45:54,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2023-11-19 07:45:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2023-11-19 07:45:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2023-11-19 07:45:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2023-11-19 07:45:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2023-11-19 07:45:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 07:45:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 07:45:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:45:54,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:45:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2023-11-19 07:45:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2023-11-19 07:45:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:45:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:45:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2023-11-19 07:45:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2023-11-19 07:45:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:45:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:45:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-19 07:45:54,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-19 07:45:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:45:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2023-11-19 07:45:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2023-11-19 07:45:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-11-19 07:45:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-11-19 07:45:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:45:54,170 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:45:55,119 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:55,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:45:55,666 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:45:56,616 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2023-11-19 07:46:04,859 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:04,882 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:04,882 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:46:04,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:04 BoogieIcfgContainer [2023-11-19 07:46:04,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:04,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:04,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:04,906 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:04,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:45:49" (1/3) ... [2023-11-19 07:46:04,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701e204c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:04, skipping insertion in model container [2023-11-19 07:46:04,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:53" (2/3) ... [2023-11-19 07:46:04,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701e204c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:04, skipping insertion in model container [2023-11-19 07:46:04,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:04" (3/3) ... [2023-11-19 07:46:04,910 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2023-11-19 07:46:04,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:04,929 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:05,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:05,028 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;@20c516f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:05,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 2245 states, 1589 states have (on average 1.3272498426683448) internal successors, (2109), 1630 states have internal predecessors, (2109), 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) [2023-11-19 07:46:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 07:46:05,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:05,063 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] [2023-11-19 07:46:05,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:05,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:05,069 INFO L85 PathProgramCache]: Analyzing trace with hash -310888403, now seen corresponding path program 1 times [2023-11-19 07:46:05,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:05,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642164675] [2023-11-19 07:46:05,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:05,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:46:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:46:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:46:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:46:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:46:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:46:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:46:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 07:46:06,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:06,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642164675] [2023-11-19 07:46:06,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642164675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:06,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:06,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:06,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647431164] [2023-11-19 07:46:06,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:06,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:06,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:06,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:06,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:06,551 INFO L87 Difference]: Start difference. First operand has 2245 states, 1589 states have (on average 1.3272498426683448) internal successors, (2109), 1630 states have internal predecessors, (2109), 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 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-19 07:46:10,988 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 07:46:18,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:18,166 INFO L93 Difference]: Finished difference Result 7103 states and 10448 transitions. [2023-11-19 07:46:18,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:18,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 69 [2023-11-19 07:46:18,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:18,235 INFO L225 Difference]: With dead ends: 7103 [2023-11-19 07:46:18,235 INFO L226 Difference]: Without dead ends: 4826 [2023-11-19 07:46:18,260 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 [2023-11-19 07:46:18,263 INFO L413 NwaCegarLoop]: 2592 mSDtfsCounter, 4261 mSDsluCounter, 3715 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 1481 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4646 SdHoareTripleChecker+Valid, 6307 SdHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:18,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4646 Valid, 6307 Invalid, 3562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1481 Valid, 2080 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2023-11-19 07:46:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4826 states. [2023-11-19 07:46:18,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4826 to 4316. [2023-11-19 07:46:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4316 states, 3081 states have (on average 1.318078545926647) internal successors, (4061), 3124 states have internal predecessors, (4061), 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) [2023-11-19 07:46:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 6032 transitions. [2023-11-19 07:46:18,615 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 6032 transitions. Word has length 69 [2023-11-19 07:46:18,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:18,616 INFO L495 AbstractCegarLoop]: Abstraction has 4316 states and 6032 transitions. [2023-11-19 07:46:18,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-19 07:46:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 6032 transitions. [2023-11-19 07:46:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 07:46:18,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:18,628 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, 1, 1, 1, 1, 1, 1] [2023-11-19 07:46:18,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:46:18,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:18,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1368070871, now seen corresponding path program 1 times [2023-11-19 07:46:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:18,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353013435] [2023-11-19 07:46:18,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:18,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:46:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:46:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:46:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:46:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:46:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:46:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:46:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:46:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:46:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-19 07:46:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 07:46:19,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:19,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353013435] [2023-11-19 07:46:19,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353013435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:19,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:19,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:19,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195104312] [2023-11-19 07:46:19,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:19,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:19,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:19,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:19,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:19,189 INFO L87 Difference]: Start difference. First operand 4316 states and 6032 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2023-11-19 07:46:23,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:30,194 WARN L539 Checker$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 07:46:33,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:33,043 INFO L93 Difference]: Finished difference Result 13538 states and 19122 transitions. [2023-11-19 07:46:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:46:33,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) Word has length 89 [2023-11-19 07:46:33,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:33,135 INFO L225 Difference]: With dead ends: 13538 [2023-11-19 07:46:33,135 INFO L226 Difference]: Without dead ends: 9243 [2023-11-19 07:46:33,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:33,165 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 4046 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 1433 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4441 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 3593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1433 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:33,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4441 Valid, 6193 Invalid, 3593 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1433 Valid, 2158 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time]