./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx --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 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:09:42,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:09:42,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:09:42,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:09:42,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:09:42,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:09:42,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:09:42,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:09:42,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:09:42,693 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:09:42,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:09:42,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:09:42,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:09:42,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:09:42,697 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:09:42,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:09:42,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:09:42,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:09:42,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:09:42,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:09:42,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:09:42,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:09:42,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:09:42,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:09:42,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:09:42,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:09:42,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:09:42,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:09:42,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:42,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:09:42,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:09:42,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:09:42,708 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:09:42,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:09:42,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:09:42,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:09:42,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:09:42,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:09:42,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:09:42,711 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_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4de76b02991c4f8780142b48e1370b1ba073d7148b74e77b2c83d6f21359d59e [2023-11-21 22:09:43,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:09:43,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:09:43,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:09:43,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:09:43,052 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:09:43,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2023-11-21 22:09:45,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:09:46,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:09:46,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2023-11-21 22:09:46,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/data/ca2b11ecf/ad5842ee41854811b505caa7f67ddd82/FLAG3f1b3e091 [2023-11-21 22:09:46,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/data/ca2b11ecf/ad5842ee41854811b505caa7f67ddd82 [2023-11-21 22:09:46,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:09:46,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:09:46,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:46,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:09:46,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:09:46,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:46" (1/1) ... [2023-11-21 22:09:46,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2879f1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:46, skipping insertion in model container [2023-11-21 22:09:46,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:46" (1/1) ... [2023-11-21 22:09:46,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:09:48,525 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_ad407dd8-6881-46e4-ab0e-3294d12fdf57/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2023-11-21 22:09:48,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:48,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:09:48,883 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"); [3542] [2023-11-21 22:09:48,887 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)); [3549] [2023-11-21 22:09:48,891 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3557-3558] [2023-11-21 22:09:49,155 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_ad407dd8-6881-46e4-ab0e-3294d12fdf57/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i[185536,185549] [2023-11-21 22:09:49,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:49,273 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:09:49,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49 WrapperNode [2023-11-21 22:09:49,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:49,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:49,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:09:49,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:09:49,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:49,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:49,532 INFO L138 Inliner]: procedures = 282, calls = 1543, calls flagged for inlining = 103, calls inlined = 86, statements flattened = 2808 [2023-11-21 22:09:49,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:49,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:09:49,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:09:49,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:09:49,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:49,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:49,574 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,189 INFO L187 HeapSplitter]: Split 568 memory accesses to 22 slices as follows [2, 8, 4, 49, 10, 8, 8, 8, 8, 8, 8, 4, 28, 8, 7, 56, 8, 21, 43, 2, 260, 10] [2023-11-21 22:09:50,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:09:50,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:09:50,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:09:50,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:09:50,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (1/1) ... [2023-11-21 22:09:50,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:09:50,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:50,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:50,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad407dd8-6881-46e4-ab0e-3294d12fdf57/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:09:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-11-21 22:09:50,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-11-21 22:09:50,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2023-11-21 22:09:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2023-11-21 22:09:50,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:09:50,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:09:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:09:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:09:50,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wdm_mutex [2023-11-21 22:09:50,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wdm_mutex [2023-11-21 22:09:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2023-11-21 22:09:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2023-11-21 22:09:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2023-11-21 22:09:50,659 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2023-11-21 22:09:50,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:09:50,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:09:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-21 22:09:50,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-21 22:09:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-11-21 22:09:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-11-21 22:09:50,661 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2023-11-21 22:09:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2023-11-21 22:09:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2023-11-21 22:09:50,662 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2023-11-21 22:09:50,662 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:09:50,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:09:50,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:09:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:09:50,664 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_poll [2023-11-21 22:09:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_poll [2023-11-21 22:09:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-21 22:09:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-21 22:09:50,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:09:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:09:50,666 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-21 22:09:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-21 22:09:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 22:09:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 22:09:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2023-11-21 22:09:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2023-11-21 22:09:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_cancel_work_sync_39 [2023-11-21 22:09:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_cancel_work_sync_39 [2023-11-21 22:09:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_write [2023-11-21 22:09:50,668 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_write [2023-11-21 22:09:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:09:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 22:09:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 22:09:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2023-11-21 22:09:50,669 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2023-11-21 22:09:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2023-11-21 22:09:50,670 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2023-11-21 22:09:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 22:09:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 22:09:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 22:09:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-21 22:09:50,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-21 22:09:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-21 22:09:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-21 22:09:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-21 22:09:50,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-21 22:09:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-21 22:09:50,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-21 22:09:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-21 22:09:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-21 22:09:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-21 22:09:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-21 22:09:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-21 22:09:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-21 22:09:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-21 22:09:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-21 22:09:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-21 22:09:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-21 22:09:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-21 22:09:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rlock_of_wdm_device [2023-11-21 22:09:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rlock_of_wdm_device [2023-11-21 22:09:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:09:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:09:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-11-21 22:09:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-11-21 22:09:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_rxwork [2023-11-21 22:09:50,677 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_rxwork [2023-11-21 22:09:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:09:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-11-21 22:09:50,678 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-11-21 22:09:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 22:09:50,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 22:09:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 22:09:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-21 22:09:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-21 22:09:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-21 22:09:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-21 22:09:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-21 22:09:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-21 22:09:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-21 22:09:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-21 22:09:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-21 22:09:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-21 22:09:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-21 22:09:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-21 22:09:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-21 22:09:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-21 22:09:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-21 22:09:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-21 22:09:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-21 22:09:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-21 22:09:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-21 22:09:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-21 22:09:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-21 22:09:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-21 22:09:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-21 22:09:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-21 22:09:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-21 22:09:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 22:09:50,685 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 22:09:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-21 22:09:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-21 22:09:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-21 22:09:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-21 22:09:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:09:50,687 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:09:50,687 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-21 22:09:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-21 22:09:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wdm_mutex [2023-11-21 22:09:50,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wdm_mutex [2023-11-21 22:09:50,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wlock_of_wdm_device [2023-11-21 22:09:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wlock_of_wdm_device [2023-11-21 22:09:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:09:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:09:50,689 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-21 22:09:50,689 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-21 22:09:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-11-21 22:09:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-11-21 22:09:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_flush [2023-11-21 22:09:50,691 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_flush [2023-11-21 22:09:50,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wlock_of_wdm_device [2023-11-21 22:09:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wlock_of_wdm_device [2023-11-21 22:09:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-21 22:09:50,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-21 22:09:50,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-21 22:09:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-21 22:09:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-21 22:09:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-21 22:09:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-21 22:09:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-21 22:09:50,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-21 22:09:50,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-21 22:09:50,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-21 22:09:50,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-21 22:09:50,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-21 22:09:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-21 22:09:50,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-21 22:09:50,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-21 22:09:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-21 22:09:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-21 22:09:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-21 22:09:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-21 22:09:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-21 22:09:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-21 22:09:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-21 22:09:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-21 22:09:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2023-11-21 22:09:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2023-11-21 22:09:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:09:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:09:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-21 22:09:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-21 22:09:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-21 22:09:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-21 22:09:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-21 22:09:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-21 22:09:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-21 22:09:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-21 22:09:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-21 22:09:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-21 22:09:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-21 22:09:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-21 22:09:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-21 22:09:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-21 22:09:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-21 22:09:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-21 22:09:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-21 22:09:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-21 22:09:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-21 22:09:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-21 22:09:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-21 22:09:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-21 22:09:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:09:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:09:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-21 22:09:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-21 22:09:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2023-11-21 22:09:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2023-11-21 22:09:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-11-21 22:09:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-11-21 22:09:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:09:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:09:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:09:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:09:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-21 22:09:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-21 22:09:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-21 22:09:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-21 22:09:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-21 22:09:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-21 22:09:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-21 22:09:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-21 22:09:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-21 22:09:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-21 22:09:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-21 22:09:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-21 22:09:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-21 22:09:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-21 22:09:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-21 22:09:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-21 22:09:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-21 22:09:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-21 22:09:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-21 22:09:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-21 22:09:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 22:09:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 22:09:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-21 22:09:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-21 22:09:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-21 22:09:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-21 22:09:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:09:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:09:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:09:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:09:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2023-11-21 22:09:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2023-11-21 22:09:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:09:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-21 22:09:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-21 22:09:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:09:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:09:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:09:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-21 22:09:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-21 22:09:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 22:09:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 22:09:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 22:09:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-21 22:09:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-21 22:09:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-21 22:09:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-21 22:09:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-21 22:09:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-21 22:09:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-21 22:09:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-21 22:09:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-21 22:09:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-21 22:09:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-21 22:09:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-21 22:09:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-21 22:09:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-21 22:09:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-21 22:09:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-21 22:09:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-21 22:09:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-21 22:09:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-21 22:09:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-21 22:09:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-21 22:09:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-21 22:09:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-21 22:09:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-11-21 22:09:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-11-21 22:09:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-21 22:09:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-21 22:09:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rlock_of_wdm_device [2023-11-21 22:09:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rlock_of_wdm_device [2023-11-21 22:09:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-21 22:09:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-21 22:09:50,730 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2023-11-21 22:09:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2023-11-21 22:09:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:09:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:09:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-21 22:09:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-21 22:09:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:09:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:09:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:09:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-21 22:09:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-21 22:09:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-21 22:09:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-21 22:09:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-21 22:09:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-21 22:09:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-21 22:09:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-21 22:09:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-21 22:09:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-21 22:09:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-21 22:09:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-21 22:09:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-21 22:09:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-11-21 22:09:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-11-21 22:09:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-21 22:09:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-21 22:09:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:09:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:09:51,454 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:09:51,459 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:09:51,537 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:09:57,862 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:58,884 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:58,885 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:09:58,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:58 BoogieIcfgContainer [2023-11-21 22:09:58,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:58,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:09:58,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:09:58,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:09:58,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:09:46" (1/3) ... [2023-11-21 22:09:58,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261c8693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:58, skipping insertion in model container [2023-11-21 22:09:58,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:49" (2/3) ... [2023-11-21 22:09:58,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261c8693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:09:58, skipping insertion in model container [2023-11-21 22:09:58,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:58" (3/3) ... [2023-11-21 22:09:58,895 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--class--cdc-wdm.ko-entry_point.cil.out.i [2023-11-21 22:09:58,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:09:58,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:09:58,987 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:09:58,994 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;@6f8ec0ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:09:58,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:09:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 905 states, 515 states have (on average 1.3203883495145632) internal successors, (680), 550 states have internal predecessors, (680), 316 states have call successors, (316), 73 states have call predecessors, (316), 72 states have return successors, (311), 309 states have call predecessors, (311), 311 states have call successors, (311) [2023-11-21 22:09:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-21 22:09:59,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:09:59,023 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:59,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:09:59,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:59,029 INFO L85 PathProgramCache]: Analyzing trace with hash -2003565425, now seen corresponding path program 1 times [2023-11-21 22:09:59,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:59,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965602809] [2023-11-21 22:09:59,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:00,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:10:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:10:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:10:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:10:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:10:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-21 22:10:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:10:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:10:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-21 22:10:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-21 22:10:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-21 22:10:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-21 22:10:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-21 22:10:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-21 22:10:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:02,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-21 22:10:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-21 22:10:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:02,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-21 22:10:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:02,119 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2023-11-21 22:10:02,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:02,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965602809] [2023-11-21 22:10:02,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965602809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:02,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:02,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:10:02,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832260212] [2023-11-21 22:10:02,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:02,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:02,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:02,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:02,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:02,175 INFO L87 Difference]: Start difference. First operand has 905 states, 515 states have (on average 1.3203883495145632) internal successors, (680), 550 states have internal predecessors, (680), 316 states have call successors, (316), 73 states have call predecessors, (316), 72 states have return successors, (311), 309 states have call predecessors, (311), 311 states have call successors, (311) Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-21 22:10:04,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:05,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:07,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:09,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:11,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:28,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:30,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:32,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:34,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:36,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:10:37,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []