./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 57d203c2bb9e5fb46a500992932f18e1bc69473edc196ab4ca3ccbbd153a7dab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:56:07,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:56:08,041 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:56:08,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:56:08,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:56:08,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:56:08,091 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:56:08,092 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:56:08,092 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:56:08,092 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:56:08,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:56:08,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:56:08,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:56:08,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:56:08,094 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:56:08,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:56:08,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:56:08,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:56:08,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:56:08,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:56:08,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:56:08,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:56:08,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:56:08,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:56:08,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:56:08,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:56:08,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:56:08,098 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:56:08,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:56:08,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:56:08,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:56:08,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:56:08,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:56:08,100 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:56:08,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:56:08,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:56:08,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:56:08,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:56:08,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:56:08,101 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57d203c2bb9e5fb46a500992932f18e1bc69473edc196ab4ca3ccbbd153a7dab [2024-10-24 13:56:08,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:56:08,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:56:08,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:56:08,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:56:08,404 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:56:08,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2024-10-24 13:56:09,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:56:10,208 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:56:10,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2024-10-24 13:56:10,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/536942592/6746d97db283453d9c42d7442f724a4b/FLAG840fcd8fc [2024-10-24 13:56:10,373 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/536942592/6746d97db283453d9c42d7442f724a4b [2024-10-24 13:56:10,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:56:10,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:56:10,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:56:10,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:56:10,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:56:10,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:56:10" (1/1) ... [2024-10-24 13:56:10,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc563b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:10, skipping insertion in model container [2024-10-24 13:56:10,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:56:10" (1/1) ... [2024-10-24 13:56:10,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:56:11,535 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[258961,258974] [2024-10-24 13:56:11,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:56:11,755 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:56:12,020 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i[258961,258974] [2024-10-24 13:56:12,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:56:12,102 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:56:12,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12 WrapperNode [2024-10-24 13:56:12,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:56:12,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:56:12,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:56:12,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:56:12,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,332 INFO L138 Inliner]: procedures = 217, calls = 1702, calls flagged for inlining = 76, calls inlined = 53, statements flattened = 3773 [2024-10-24 13:56:12,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:56:12,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:56:12,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:56:12,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:56:12,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,375 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,621 INFO L175 MemorySlicer]: Split 1156 memory accesses to 12 slices as follows [1, 2, 43, 5, 1002, 46, 2, 3, 7, 4, 3, 38]. 87 percent of accesses are in the largest equivalence class. The 920 initializations are split as follows [0, 2, 43, 5, 857, 0, 0, 0, 7, 3, 3, 0]. The 107 writes are split as follows [0, 0, 0, 0, 56, 16, 1, 0, 0, 0, 0, 34]. [2024-10-24 13:56:12,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:56:12,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:56:12,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:56:12,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:56:12,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (1/1) ... [2024-10-24 13:56:12,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:56:12,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:56:12,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:56:12,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:56:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-10-24 13:56:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-10-24 13:56:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-24 13:56:12,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-24 13:56:12,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 13:56:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 13:56:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 13:56:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 13:56:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 13:56:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 13:56:12,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 13:56:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 13:56:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 13:56:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 13:56:12,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 13:56:12,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:56:12,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:56:12,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 13:56:12,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 13:56:12,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 13:56:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-24 13:56:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:56:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:56:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-10-24 13:56:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-10-24 13:56:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-24 13:56:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-24 13:56:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:56:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:56:12,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:56:12,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:56:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 13:56:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2024-10-24 13:56:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2024-10-24 13:56:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-10-24 13:56:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:56:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2024-10-24 13:56:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-24 13:56:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-24 13:56:12,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-24 13:56:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-24 13:56:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-10-24 13:56:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-10-24 13:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2024-10-24 13:56:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2024-10-24 13:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-24 13:56:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-24 13:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 13:56:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-24 13:56:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-24 13:56:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2024-10-24 13:56:12,965 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 13:56:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-10-24 13:56:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2024-10-24 13:56:12,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-24 13:56:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-24 13:56:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-24 13:56:12,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-24 13:56:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-24 13:56:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:56:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-10-24 13:56:12,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:56:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:56:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:56:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-24 13:56:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2024-10-24 13:56:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2024-10-24 13:56:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-24 13:56:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-24 13:56:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 13:56:12,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 13:56:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:56:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:56:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2024-10-24 13:56:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2024-10-24 13:56:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2024-10-24 13:56:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2024-10-24 13:56:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-24 13:56:12,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-24 13:56:12,972 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-24 13:56:12,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:56:12,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:56:12,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev_of_p54u_priv [2024-10-24 13:56:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev_of_p54u_priv [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2024-10-24 13:56:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2024-10-24 13:56:12,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-24 13:56:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-24 13:56:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-24 13:56:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-24 13:56:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-10-24 13:56:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-10-24 13:56:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2024-10-24 13:56:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2024-10-24 13:56:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2024-10-24 13:56:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2024-10-24 13:56:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-10-24 13:56:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-10-24 13:56:12,976 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2024-10-24 13:56:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-10-24 13:56:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:56:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:56:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-24 13:56:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-10-24 13:56:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-10-24 13:56:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-10-24 13:56:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-10-24 13:56:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:56:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:56:13,450 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:56:13,453 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:56:13,566 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:56:20,144 INFO L? ?]: Removed 1009 outVars from TransFormulas that were not future-live. [2024-10-24 13:56:20,144 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:56:20,347 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:56:20,351 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 13:56:20,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:56:20 BoogieIcfgContainer [2024-10-24 13:56:20,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:56:20,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:56:20,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:56:20,357 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:56:20,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:56:10" (1/3) ... [2024-10-24 13:56:20,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cf3cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:56:20, skipping insertion in model container [2024-10-24 13:56:20,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:56:12" (2/3) ... [2024-10-24 13:56:20,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38cf3cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:56:20, skipping insertion in model container [2024-10-24 13:56:20,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:56:20" (3/3) ... [2024-10-24 13:56:20,360 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2024-10-24 13:56:20,377 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:56:20,377 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:56:20,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:56:20,461 INFO L333 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, 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;@1b3491a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:56:20,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:56:20,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 765 states, 538 states have (on average 1.433085501858736) internal successors, (771), 562 states have internal predecessors, (771), 175 states have call successors, (175), 51 states have call predecessors, (175), 50 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) [2024-10-24 13:56:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 13:56:20,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:56:20,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:56:20,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:56:20,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:56:20,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1990772824, now seen corresponding path program 1 times [2024-10-24 13:56:20,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:56:20,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191248684] [2024-10-24 13:56:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:56:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:56:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:30,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:56:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:30,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:56:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:30,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:56:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:30,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:56:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:56:30,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:56:30,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191248684] [2024-10-24 13:56:30,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191248684] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:56:30,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:56:30,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:56:30,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413040243] [2024-10-24 13:56:30,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:56:30,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:56:30,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:56:30,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:56:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:56:30,969 INFO L87 Difference]: Start difference. First operand has 765 states, 538 states have (on average 1.433085501858736) internal successors, (771), 562 states have internal predecessors, (771), 175 states have call successors, (175), 51 states have call predecessors, (175), 50 states have return successors, (171), 171 states have call predecessors, (171), 171 states have call successors, (171) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 13:56:35,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:56:39,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:56:43,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:56:47,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:56:49,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:56:49,942 INFO L93 Difference]: Finished difference Result 1622 states and 2414 transitions. [2024-10-24 13:56:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:56:49,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2024-10-24 13:56:49,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:56:49,967 INFO L225 Difference]: With dead ends: 1622 [2024-10-24 13:56:49,968 INFO L226 Difference]: Without dead ends: 852 [2024-10-24 13:56:49,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:56:49,979 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 1105 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 577 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:56:49,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 477 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 1689 Invalid, 4 Unknown, 0 Unchecked, 18.7s Time] [2024-10-24 13:56:49,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-10-24 13:56:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 757. [2024-10-24 13:56:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 536 states have (on average 1.3917910447761195) internal successors, (746), 554 states have internal predecessors, (746), 171 states have call successors, (171), 50 states have call predecessors, (171), 49 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-24 13:56:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1082 transitions. [2024-10-24 13:56:50,117 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1082 transitions. Word has length 30 [2024-10-24 13:56:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:56:50,118 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1082 transitions. [2024-10-24 13:56:50,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 13:56:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1082 transitions. [2024-10-24 13:56:50,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-24 13:56:50,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:56:50,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:56:50,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:56:50,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:56:50,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:56:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1568070998, now seen corresponding path program 1 times [2024-10-24 13:56:50,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:56:50,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113227743] [2024-10-24 13:56:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:56:50,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:56:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:56:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:56:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:58,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:56:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:56:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:56:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 13:56:58,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:56:58,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113227743] [2024-10-24 13:56:58,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113227743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:56:58,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:56:58,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:56:58,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224005476] [2024-10-24 13:56:58,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:56:58,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:56:58,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:56:58,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:56:58,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:56:58,552 INFO L87 Difference]: Start difference. First operand 757 states and 1082 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 13:57:02,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:06,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:10,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:14,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:18,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:22,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:57:22,877 INFO L93 Difference]: Finished difference Result 2431 states and 3492 transitions. [2024-10-24 13:57:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:57:22,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-10-24 13:57:22,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:57:22,890 INFO L225 Difference]: With dead ends: 2431 [2024-10-24 13:57:22,891 INFO L226 Difference]: Without dead ends: 1682 [2024-10-24 13:57:22,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-24 13:57:22,895 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 2907 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 1640 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3048 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 4276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1640 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:57:22,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3048 Valid, 624 Invalid, 4276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1640 Valid, 2631 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2024-10-24 13:57:22,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-10-24 13:57:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1490. [2024-10-24 13:57:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1059 states have (on average 1.3890462700661002) internal successors, (1471), 1090 states have internal predecessors, (1471), 333 states have call successors, (333), 98 states have call predecessors, (333), 97 states have return successors, (327), 327 states have call predecessors, (327), 327 states have call successors, (327) [2024-10-24 13:57:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2131 transitions. [2024-10-24 13:57:22,975 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2131 transitions. Word has length 30 [2024-10-24 13:57:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:57:22,975 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2131 transitions. [2024-10-24 13:57:22,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 13:57:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2131 transitions. [2024-10-24 13:57:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 13:57:22,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:57:22,977 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 13:57:22,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:57:22,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:57:22,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:57:22,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1494386910, now seen corresponding path program 1 times [2024-10-24 13:57:22,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:57:22,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980462138] [2024-10-24 13:57:22,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:57:22,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:57:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:57:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:57:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:57:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:57:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 13:57:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:57:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:57:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:57:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 13:57:30,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:57:30,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980462138] [2024-10-24 13:57:30,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980462138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:57:30,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:57:30,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:57:30,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004508859] [2024-10-24 13:57:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:57:30,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:57:30,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:57:30,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:57:30,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:57:30,780 INFO L87 Difference]: Start difference. First operand 1490 states and 2131 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-24 13:57:34,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:38,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 13:57:42,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []