./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-84cfde4 [2024-10-11 15:35:49,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:35:49,477 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:35:49,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:35:49,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:35:49,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:35:49,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:35:49,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:35:49,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:35:49,530 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:35:49,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:35:49,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:35:49,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:35:49,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:35:49,532 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:35:49,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:35:49,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:35:49,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:35:49,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:35:49,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:35:49,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:35:49,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:35:49,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:35:49,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:35:49,538 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:35:49,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:35:49,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:35:49,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:35:49,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:35:49,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:35:49,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:35:49,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:35:49,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:35:49,541 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:35:49,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:35:49,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:35:49,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:35:49,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:35:49,543 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:35:49,543 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57d203c2bb9e5fb46a500992932f18e1bc69473edc196ab4ca3ccbbd153a7dab [2024-10-11 15:35:49,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:35:49,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:35:49,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:35:49,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:35:49,842 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:35:49,843 INFO L431 ainManager$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 [2024-10-11 15:35:51,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:35:51,816 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:35:51,817 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 [2024-10-11 15:35:51,863 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/387d29d38/f4fe064d0cda47f19f09e34c40899e54/FLAGd0f337bb7 [2024-10-11 15:35:51,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/387d29d38/f4fe064d0cda47f19f09e34c40899e54 [2024-10-11 15:35:51,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:35:51,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:35:51,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:35:51,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:35:51,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:35:51,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:35:51" (1/1) ... [2024-10-11 15:35:51,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bb2213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:51, skipping insertion in model container [2024-10-11 15:35:51,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:35:51" (1/1) ... [2024-10-11 15:35:52,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:35:53,629 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] [2024-10-11 15:35:53,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:35:53,909 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:35:54,168 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] [2024-10-11 15:35:54,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:35:54,320 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:35:54,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54 WrapperNode [2024-10-11 15:35:54,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:35:54,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:35:54,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:35:54,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:35:54,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,518 INFO L138 Inliner]: procedures = 217, calls = 1702, calls flagged for inlining = 76, calls inlined = 53, statements flattened = 3773 [2024-10-11 15:35:54,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:35:54,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:35:54,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:35:54,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:35:54,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,876 INFO L175 MemorySlicer]: Split 1156 memory accesses to 12 slices as follows [2, 46, 43, 2, 5, 3, 4, 7, 1002, 3, 38, 1]. 87 percent of accesses are in the largest equivalence class. The 920 initializations are split as follows [2, 0, 43, 0, 5, 0, 3, 7, 857, 3, 0, 0]. The 107 writes are split as follows [0, 16, 0, 1, 0, 0, 0, 0, 56, 0, 34, 0]. [2024-10-11 15:35:54,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:54,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:55,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:55,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:55,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:55,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:35:55,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:35:55,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:35:55,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:35:55,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (1/1) ... [2024-10-11 15:35:55,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:35:55,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:35:55,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:35:55,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:35:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2024-10-11 15:35:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2024-10-11 15:35:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-10-11 15:35:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-10-11 15:35:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:35:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:35:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:35:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:35:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:35:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:35:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:35:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 15:35:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 15:35:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 15:35:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 15:35:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-11 15:35:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:35:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:35:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:35:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:35:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:35:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:35:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:35:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2024-10-11 15:35:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2024-10-11 15:35:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2024-10-11 15:35:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2024-10-11 15:35:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure p54_free_common [2024-10-11 15:35:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_free_common [2024-10-11 15:35:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_stop [2024-10-11 15:35:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_stop [2024-10-11 15:35:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:35:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:35:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-10-11 15:35:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-10-11 15:35:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:35:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:35:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:35:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:35:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:35:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:35:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:35:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:35:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:35:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:35:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:35:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:35:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 15:35:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-11 15:35:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:35:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:35:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-11 15:35:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:35:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-10-11 15:35:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-10-11 15:35:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:35:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:35:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:35:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:35:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:35:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:35:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:35:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure p54_find_type [2024-10-11 15:35:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure p54_find_type [2024-10-11 15:35:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-10-11 15:35:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-10-11 15:35:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:35:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:35:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:35:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:35:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:35:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:35:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:35:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:35:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_open [2024-10-11 15:35:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_open [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-11 15:35:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-11 15:35:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-10-11 15:35:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-10-11 15:35:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-10-11 15:35:55,198 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-10-11 15:35:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_post_reset [2024-10-11 15:35:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_post_reset [2024-10-11 15:35:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-10-11 15:35:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-10-11 15:35:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:35:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:35:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:35:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:35:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:35:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-10-11 15:35:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-10-11 15:35:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_disconnect [2024-10-11 15:35:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_disconnect [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:35:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-10-11 15:35:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:35:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:35:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:35:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:35:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:35:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2024-10-11 15:35:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2024-10-11 15:35:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:35:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:35:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:35:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:35:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:35:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:35:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:35:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:35:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:35:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:35:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-10-11 15:35:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-10-11 15:35:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-10-11 15:35:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:35:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:35:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2024-10-11 15:35:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2024-10-11 15:35:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:35:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:35:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:35:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:35:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:35:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:35:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_pre_reset [2024-10-11 15:35:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_pre_reset [2024-10-11 15:35:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:35:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:35:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-11 15:35:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-11 15:35:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:35:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:35:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_read [2024-10-11 15:35:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_read [2024-10-11 15:35:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_write [2024-10-11 15:35:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_write [2024-10-11 15:35:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:35:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:35:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-10-11 15:35:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-10-11 15:35:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:35:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:35:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:35:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:35:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:35:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:35:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev_of_p54u_priv [2024-10-11 15:35:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev_of_p54u_priv [2024-10-11 15:35:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_resume [2024-10-11 15:35:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_resume [2024-10-11 15:35:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:35:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:35:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-10-11 15:35:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-10-11 15:35:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-10-11 15:35:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_free_urbs [2024-10-11 15:35:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_free_urbs [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2024-10-11 15:35:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-10-11 15:35:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure p54u_bulk_msg [2024-10-11 15:35:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure p54u_bulk_msg [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-10-11 15:35:55,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:35:55,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-10-11 15:35:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2024-10-11 15:35:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2024-10-11 15:35:55,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:35:55,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:35:55,728 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:35:55,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:35:55,906 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:36:03,538 INFO L? ?]: Removed 1009 outVars from TransFormulas that were not future-live. [2024-10-11 15:36:03,539 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:36:03,793 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:36:03,793 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 15:36:03,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:36:03 BoogieIcfgContainer [2024-10-11 15:36:03,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:36:03,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:36:03,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:36:03,804 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:36:03,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:35:51" (1/3) ... [2024-10-11 15:36:03,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed190fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:36:03, skipping insertion in model container [2024-10-11 15:36:03,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:35:54" (2/3) ... [2024-10-11 15:36:03,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed190fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:36:03, skipping insertion in model container [2024-10-11 15:36:03,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:36:03" (3/3) ... [2024-10-11 15:36:03,808 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--p54--p54usb.ko-entry_point.cil.out.i [2024-10-11 15:36:03,827 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:36:03,827 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:36:03,925 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:36:03,933 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;@15962f65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:36:03,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:36:03,943 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) [2024-10-11 15:36:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 15:36:03,953 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:36:03,953 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] [2024-10-11 15:36:03,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:36:03,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:36:03,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2119486957, now seen corresponding path program 1 times [2024-10-11 15:36:03,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:36:03,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305472998] [2024-10-11 15:36:03,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:36:03,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:36:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:36:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:14,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:36:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:36:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:14,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:36:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:36:14,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:36:14,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305472998] [2024-10-11 15:36:14,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305472998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:36:14,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:36:14,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:36:14,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220997504] [2024-10-11 15:36:14,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:36:14,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:36:14,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:36:14,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:36:14,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:36:14,304 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) [2024-10-11 15:36:18,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:36:22,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:36:26,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:36:30,429 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 [] [2024-10-11 15:36:33,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:36:33,390 INFO L93 Difference]: Finished difference Result 1622 states and 2414 transitions. [2024-10-11 15:36:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:36:33,393 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 [2024-10-11 15:36:33,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:36:33,425 INFO L225 Difference]: With dead ends: 1622 [2024-10-11 15:36:33,426 INFO L226 Difference]: Without dead ends: 852 [2024-10-11 15:36:33,437 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 [2024-10-11 15:36:33,440 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1105 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 577 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 2273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2024-10-11 15:36:33,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 478 Invalid, 2273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 1692 Invalid, 4 Unknown, 0 Unchecked, 18.8s Time] [2024-10-11 15:36:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-10-11 15:36:33,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 757. [2024-10-11 15:36:33,593 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) [2024-10-11 15:36:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1082 transitions. [2024-10-11 15:36:33,603 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1082 transitions. Word has length 30 [2024-10-11 15:36:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:36:33,604 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1082 transitions. [2024-10-11 15:36:33,604 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) [2024-10-11 15:36:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1082 transitions. [2024-10-11 15:36:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-11 15:36:33,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:36:33,606 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] [2024-10-11 15:36:33,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:36:33,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:36:33,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:36:33,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1696785131, now seen corresponding path program 1 times [2024-10-11 15:36:33,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:36:33,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085420236] [2024-10-11 15:36:33,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:36:33,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:36:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:42,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:36:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:42,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:36:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:42,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:36:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:42,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:36:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:36:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 15:36:42,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:36:42,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085420236] [2024-10-11 15:36:42,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085420236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:36:42,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:36:42,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:36:42,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922961563] [2024-10-11 15:36:42,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:36:42,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:36:42,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:36:42,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:36:42,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:36:42,552 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) [2024-10-11 15:36:46,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:36:50,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:36:54,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:36:58,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:37:02,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-11 15:37:08,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:37:08,604 INFO L93 Difference]: Finished difference Result 2431 states and 3492 transitions. [2024-10-11 15:37:08,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:37:08,604 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 [2024-10-11 15:37:08,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:37:08,621 INFO L225 Difference]: With dead ends: 2431 [2024-10-11 15:37:08,622 INFO L226 Difference]: Without dead ends: 1682 [2024-10-11 15:37:08,626 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 [2024-10-11 15:37:08,628 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 2907 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 2633 mSolverCounterSat, 1642 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1642 IncrementalHoareTripleChecker+Valid, 2633 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:37:08,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 625 Invalid, 4280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1642 Valid, 2633 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2024-10-11 15:37:08,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-10-11 15:37:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1490. [2024-10-11 15:37:08,730 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) [2024-10-11 15:37:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2131 transitions. [2024-10-11 15:37:08,742 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2131 transitions. Word has length 30 [2024-10-11 15:37:08,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:37:08,743 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2131 transitions. [2024-10-11 15:37:08,743 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) [2024-10-11 15:37:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2131 transitions. [2024-10-11 15:37:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 15:37:08,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:37:08,752 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] [2024-10-11 15:37:08,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:37:08,752 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:37:08,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:37:08,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1631174633, now seen corresponding path program 1 times [2024-10-11 15:37:08,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:37:08,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443150909] [2024-10-11 15:37:08,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:37:08,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:37:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:37:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:37:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:37:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:37:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-11 15:37:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:37:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:37:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:37:17,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 15:37:17,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:37:17,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443150909] [2024-10-11 15:37:17,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443150909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:37:17,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:37:17,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:37:17,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009428449] [2024-10-11 15:37:17,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:37:17,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:37:17,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:37:17,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:37:17,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:37:17,240 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)