./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:11:48,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:11:48,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:11:48,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:11:48,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:11:48,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:11:48,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:11:48,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:11:48,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:11:48,253 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:11:48,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:11:48,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:11:48,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:11:48,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:11:48,254 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:11:48,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:11:48,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:11:48,256 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:11:48,256 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:11:48,256 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:11:48,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:11:48,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:11:48,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:11:48,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:11:48,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:11:48,257 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2025-03-08 19:11:48,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:11:48,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:11:48,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:11:48,476 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:11:48,477 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:11:48,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2025-03-08 19:11:49,615 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c44c95/2c9d15b126584d4d9625b2d8862edbe7/FLAG57903957b [2025-03-08 19:11:49,995 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:11:49,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2025-03-08 19:11:50,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c44c95/2c9d15b126584d4d9625b2d8862edbe7/FLAG57903957b [2025-03-08 19:11:50,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c44c95/2c9d15b126584d4d9625b2d8862edbe7 [2025-03-08 19:11:50,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:11:50,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:11:50,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:11:50,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:11:50,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:11:50,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:11:50" (1/1) ... [2025-03-08 19:11:50,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3c5206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:50, skipping insertion in model container [2025-03-08 19:11:50,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:11:50" (1/1) ... [2025-03-08 19:11:50,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:11:50,804 WARN L250 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2025-03-08 19:11:50,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:11:51,009 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:11:51,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2025-03-08 19:11:51,111 WARN L250 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-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2025-03-08 19:11:51,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:11:51,192 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:11:51,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51 WrapperNode [2025-03-08 19:11:51,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:11:51,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:11:51,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:11:51,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:11:51,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,283 INFO L138 Inliner]: procedures = 125, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1172 [2025-03-08 19:11:51,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:11:51,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:11:51,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:11:51,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:11:51,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,398 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 8, 18, 121, 8, 7, 19, 2, 44, 3]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 8, 15, 34, 8, 0, 0, 0, 0, 0]. The 97 writes are split as follows [0, 0, 1, 25, 0, 6, 19, 1, 44, 1]. [2025-03-08 19:11:51,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:11:51,464 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:11:51,467 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:11:51,467 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:11:51,468 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (1/1) ... [2025-03-08 19:11:51,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:11:51,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:11:51,492 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) [2025-03-08 19:11:51,496 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 [2025-03-08 19:11:51,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:11:51,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:11:51,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 19:11:51,513 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2025-03-08 19:11:51,514 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-08 19:11:51,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-08 19:11:51,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-08 19:11:51,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2025-03-08 19:11:51,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2025-03-08 19:11:51,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-03-08 19:11:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 19:11:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2025-03-08 19:11:51,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:11:51,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:11:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:11:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:11:51,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:11:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:11:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:11:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2025-03-08 19:11:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2025-03-08 19:11:51,788 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:11:51,790 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:11:51,802 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:11:51,819 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6622: havoc #t~ret206.base, #t~ret206.offset; [2025-03-08 19:11:51,825 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6613: havoc #t~ret203.base, #t~ret203.offset; [2025-03-08 19:11:51,937 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6619: havoc #t~ret205.base, #t~ret205.offset; [2025-03-08 19:11:52,190 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6650: havoc usb_submit_urb_#t~nondet212#1; [2025-03-08 19:11:52,190 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5932: call ULTIMATE.dealloc(~#descriptor~0#1.base, ~#descriptor~0#1.offset);havoc ~#descriptor~0#1.base, ~#descriptor~0#1.offset; [2025-03-08 19:11:52,190 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5512: havoc __le32_to_cpup_#t~mem4#1; [2025-03-08 19:11:52,190 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc __dynamic_netdev_dbg_#t~nondet198#1; [2025-03-08 19:11:52,190 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5518: havoc __le16_to_cpup_#t~mem5#1; [2025-03-08 19:11:52,190 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc usb_alloc_urb_#t~ret210#1.base, usb_alloc_urb_#t~ret210#1.offset; [2025-03-08 19:11:52,193 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6598: havoc #t~nondet199; [2025-03-08 19:11:52,228 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6610: havoc #t~nondet202; [2025-03-08 19:11:56,577 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6675: havoc usbnet_suspend_#t~nondet216#1; [2025-03-08 19:11:56,577 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6602: havoc ldv_release_2_#t~nondet200#1; [2025-03-08 19:11:56,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6668: havoc usbnet_resume_#t~nondet215#1; [2025-03-08 19:11:56,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6660: havoc usbnet_get_endpoints_#t~nondet213#1; [2025-03-08 19:11:56,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6646: havoc usb_register_driver_#t~nondet211#1; [2025-03-08 19:11:56,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6127: call ULTIMATE.dealloc(main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset);havoc main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2025-03-08 19:11:56,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6606: havoc ldv_reset_resume_1_#t~nondet201#1; [2025-03-08 19:11:56,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6664: havoc usbnet_probe_#t~nondet214#1; [2025-03-08 19:11:56,695 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5556: havoc skb_end_pointer_#t~mem23#1.base, skb_end_pointer_#t~mem23#1.offset;havoc skb_end_pointer_#t~mem24#1; [2025-03-08 19:11:56,695 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5614: havoc skb_tailroom_#t~ite43#1;havoc skb_tailroom_#t~mem41#1;havoc skb_tailroom_#t~mem42#1; [2025-03-08 19:11:56,695 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5606: havoc skb_headroom_#t~mem38#1.base, skb_headroom_#t~mem38#1.offset;havoc skb_headroom_#t~mem39#1.base, skb_headroom_#t~mem39#1.offset; [2025-03-08 19:11:56,695 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5536: havoc atomic_read_#t~mem16#1; [2025-03-08 19:11:56,695 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5582: havoc skb_is_nonlinear_#t~mem28#1; [2025-03-08 19:11:56,695 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6616: havoc skb_copy_expand_#t~ret204#1.base, skb_copy_expand_#t~ret204#1.offset; [2025-03-08 19:11:56,814 INFO L? ?]: Removed 574 outVars from TransFormulas that were not future-live. [2025-03-08 19:11:56,815 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:11:56,829 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:11:56,830 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:11:56,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:11:56 BoogieIcfgContainer [2025-03-08 19:11:56,830 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:11:56,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:11:56,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:11:56,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:11:56,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:11:50" (1/3) ... [2025-03-08 19:11:56,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464ea075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:11:56, skipping insertion in model container [2025-03-08 19:11:56,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:11:51" (2/3) ... [2025-03-08 19:11:56,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464ea075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:11:56, skipping insertion in model container [2025-03-08 19:11:56,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:11:56" (3/3) ... [2025-03-08 19:11:56,836 INFO L128 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2025-03-08 19:11:56,845 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:11:56,846 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i that has 32 procedures, 367 locations, 1 initial locations, 14 loop locations, and 1 error locations. [2025-03-08 19:11:56,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:11:56,898 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;@2ecbc697, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:11:56,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:11:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 334 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 269 states have internal predecessors, (358), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-08 19:11:56,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-08 19:11:56,906 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:11:56,907 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:11:56,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:11:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:11:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash -36436251, now seen corresponding path program 1 times [2025-03-08 19:11:56,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:11:56,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508250673] [2025-03-08 19:11:56,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:11:56,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:11:57,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-08 19:11:57,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-08 19:11:57,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:11:57,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:11:57,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-08 19:11:57,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:11:57,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508250673] [2025-03-08 19:11:57,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508250673] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:11:57,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:11:57,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:11:57,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713453838] [2025-03-08 19:11:57,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:11:57,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:11:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:11:57,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:11:57,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:11:57,624 INFO L87 Difference]: Start difference. First operand has 334 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 269 states have internal predecessors, (358), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-08 19:12:01,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 19:12:01,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:12:01,792 INFO L93 Difference]: Finished difference Result 950 states and 1351 transitions. [2025-03-08 19:12:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:12:01,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 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 42 [2025-03-08 19:12:01,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:12:01,807 INFO L225 Difference]: With dead ends: 950 [2025-03-08 19:12:01,809 INFO L226 Difference]: Without dead ends: 605 [2025-03-08 19:12:01,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:01,816 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 395 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:12:01,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 877 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-08 19:12:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-03-08 19:12:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2025-03-08 19:12:01,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 478 states have (on average 1.3556485355648535) internal successors, (648), 486 states have internal predecessors, (648), 86 states have call successors, (86), 41 states have call predecessors, (86), 40 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-08 19:12:01,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 819 transitions. [2025-03-08 19:12:01,895 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 819 transitions. Word has length 42 [2025-03-08 19:12:01,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:12:01,895 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 819 transitions. [2025-03-08 19:12:01,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-08 19:12:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 819 transitions. [2025-03-08 19:12:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-08 19:12:01,898 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:12:01,898 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:12:01,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:12:01,898 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:12:01,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:12:01,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1680992758, now seen corresponding path program 1 times [2025-03-08 19:12:01,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:12:01,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992239441] [2025-03-08 19:12:01,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:12:01,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:12:02,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 19:12:02,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 19:12:02,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:12:02,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:12:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-08 19:12:02,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:12:02,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992239441] [2025-03-08 19:12:02,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992239441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:12:02,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:12:02,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 19:12:02,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089090402] [2025-03-08 19:12:02,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:12:02,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 19:12:02,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:12:02,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 19:12:02,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:12:02,463 INFO L87 Difference]: Start difference. First operand 605 states and 819 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-08 19:12:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:12:02,604 INFO L93 Difference]: Finished difference Result 1190 states and 1622 transitions. [2025-03-08 19:12:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:12:02,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2025-03-08 19:12:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:12:02,615 INFO L225 Difference]: With dead ends: 1190 [2025-03-08 19:12:02,616 INFO L226 Difference]: Without dead ends: 1181 [2025-03-08 19:12:02,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-08 19:12:02,617 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 408 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:12:02,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 1679 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:12:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2025-03-08 19:12:02,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1177. [2025-03-08 19:12:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 931 states have (on average 1.3576799140708915) internal successors, (1264), 947 states have internal predecessors, (1264), 167 states have call successors, (167), 79 states have call predecessors, (167), 78 states have return successors, (174), 166 states have call predecessors, (174), 166 states have call successors, (174) [2025-03-08 19:12:02,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1605 transitions. [2025-03-08 19:12:02,689 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1605 transitions. Word has length 52 [2025-03-08 19:12:02,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:12:02,689 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1605 transitions. [2025-03-08 19:12:02,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-08 19:12:02,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1605 transitions. [2025-03-08 19:12:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-08 19:12:02,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:12:02,698 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:12:02,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:12:02,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:12:02,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:12:02,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1970441814, now seen corresponding path program 1 times [2025-03-08 19:12:02,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:12:02,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578459583] [2025-03-08 19:12:02,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:12:02,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:12:02,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-08 19:12:02,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-08 19:12:02,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:12:02,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:12:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-03-08 19:12:03,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:12:03,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578459583] [2025-03-08 19:12:03,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578459583] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:12:03,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:12:03,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:12:03,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483128210] [2025-03-08 19:12:03,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:12:03,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:12:03,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:12:03,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:12:03,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:03,073 INFO L87 Difference]: Start difference. First operand 1177 states and 1605 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 19:12:03,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:12:03,183 INFO L93 Difference]: Finished difference Result 2564 states and 3517 transitions. [2025-03-08 19:12:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:12:03,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2025-03-08 19:12:03,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:12:03,192 INFO L225 Difference]: With dead ends: 2564 [2025-03-08 19:12:03,192 INFO L226 Difference]: Without dead ends: 1407 [2025-03-08 19:12:03,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:03,195 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 115 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:12:03,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 828 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:12:03,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2025-03-08 19:12:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1398. [2025-03-08 19:12:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1129 states have (on average 1.379096545615589) internal successors, (1557), 1145 states have internal predecessors, (1557), 180 states have call successors, (180), 89 states have call predecessors, (180), 88 states have return successors, (187), 179 states have call predecessors, (187), 179 states have call successors, (187) [2025-03-08 19:12:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1924 transitions. [2025-03-08 19:12:03,255 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1924 transitions. Word has length 162 [2025-03-08 19:12:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:12:03,256 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 1924 transitions. [2025-03-08 19:12:03,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2025-03-08 19:12:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1924 transitions. [2025-03-08 19:12:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-08 19:12:03,263 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:12:03,263 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:12:03,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:12:03,265 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:12:03,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:12:03,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1149775630, now seen corresponding path program 1 times [2025-03-08 19:12:03,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:12:03,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112657603] [2025-03-08 19:12:03,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:12:03,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:12:03,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 19:12:03,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 19:12:03,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:12:03,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:12:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-08 19:12:03,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:12:03,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112657603] [2025-03-08 19:12:03,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112657603] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:12:03,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:12:03,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:12:03,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225215980] [2025-03-08 19:12:03,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:12:03,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:12:03,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:12:03,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:12:03,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:03,656 INFO L87 Difference]: Start difference. First operand 1398 states and 1924 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-08 19:12:07,668 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 [] [2025-03-08 19:12:07,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:12:07,813 INFO L93 Difference]: Finished difference Result 3828 states and 5265 transitions. [2025-03-08 19:12:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:12:07,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 184 [2025-03-08 19:12:07,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:12:07,828 INFO L225 Difference]: With dead ends: 3828 [2025-03-08 19:12:07,829 INFO L226 Difference]: Without dead ends: 2461 [2025-03-08 19:12:07,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:07,834 INFO L435 NwaCegarLoop]: 512 mSDtfsCounter, 381 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:12:07,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 900 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-08 19:12:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2025-03-08 19:12:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2452. [2025-03-08 19:12:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2452 states, 1969 states have (on average 1.3656678517013712) internal successors, (2689), 2001 states have internal predecessors, (2689), 320 states have call successors, (320), 163 states have call predecessors, (320), 162 states have return successors, (331), 319 states have call predecessors, (331), 319 states have call successors, (331) [2025-03-08 19:12:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2452 states and 3340 transitions. [2025-03-08 19:12:07,935 INFO L78 Accepts]: Start accepts. Automaton has 2452 states and 3340 transitions. Word has length 184 [2025-03-08 19:12:07,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:12:07,935 INFO L471 AbstractCegarLoop]: Abstraction has 2452 states and 3340 transitions. [2025-03-08 19:12:07,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-08 19:12:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 3340 transitions. [2025-03-08 19:12:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-08 19:12:07,941 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:12:07,941 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:12:07,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 19:12:07,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:12:07,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:12:07,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2021338418, now seen corresponding path program 1 times [2025-03-08 19:12:07,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:12:07,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921148523] [2025-03-08 19:12:07,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:12:07,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:12:08,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-08 19:12:08,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-08 19:12:08,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:12:08,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:12:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-08 19:12:08,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:12:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921148523] [2025-03-08 19:12:08,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921148523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:12:08,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:12:08,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:12:08,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190620722] [2025-03-08 19:12:08,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:12:08,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:12:08,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:12:08,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:12:08,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:08,286 INFO L87 Difference]: Start difference. First operand 2452 states and 3340 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 19:12:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:12:08,354 INFO L93 Difference]: Finished difference Result 3679 states and 5040 transitions. [2025-03-08 19:12:08,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:12:08,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 184 [2025-03-08 19:12:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:12:08,367 INFO L225 Difference]: With dead ends: 3679 [2025-03-08 19:12:08,367 INFO L226 Difference]: Without dead ends: 2460 [2025-03-08 19:12:08,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:12:08,373 INFO L435 NwaCegarLoop]: 430 mSDtfsCounter, 2 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:12:08,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 854 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:12:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2025-03-08 19:12:08,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2460. [2025-03-08 19:12:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2460 states, 1977 states have (on average 1.3641881638846738) internal successors, (2697), 2009 states have internal predecessors, (2697), 320 states have call successors, (320), 163 states have call predecessors, (320), 162 states have return successors, (331), 319 states have call predecessors, (331), 319 states have call successors, (331) [2025-03-08 19:12:08,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 3348 transitions. [2025-03-08 19:12:08,455 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 3348 transitions. Word has length 184 [2025-03-08 19:12:08,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:12:08,455 INFO L471 AbstractCegarLoop]: Abstraction has 2460 states and 3348 transitions. [2025-03-08 19:12:08,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 19:12:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 3348 transitions. [2025-03-08 19:12:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-03-08 19:12:08,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:12:08,461 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:12:08,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 19:12:08,461 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:12:08,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:12:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1676423151, now seen corresponding path program 1 times [2025-03-08 19:12:08,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:12:08,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535463422] [2025-03-08 19:12:08,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:12:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:12:08,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-08 19:12:08,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-08 19:12:08,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:12:08,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:12:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-08 19:12:09,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:12:09,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535463422] [2025-03-08 19:12:09,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535463422] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:12:09,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:12:09,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 19:12:09,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506608982] [2025-03-08 19:12:09,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:12:09,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 19:12:09,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:12:09,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 19:12:09,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-08 19:12:09,209 INFO L87 Difference]: Start difference. First operand 2460 states and 3348 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-08 19:12:13,222 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 [] [2025-03-08 19:12:17,230 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 [] [2025-03-08 19:12:17,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:12:17,943 INFO L93 Difference]: Finished difference Result 3658 states and 4993 transitions. [2025-03-08 19:12:17,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 19:12:17,944 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 185 [2025-03-08 19:12:17,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:12:17,946 INFO L225 Difference]: With dead ends: 3658 [2025-03-08 19:12:17,946 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:12:17,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-03-08 19:12:17,955 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 498 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 140 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2025-03-08 19:12:17,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 806 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 576 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2025-03-08 19:12:17,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:12:17,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:12:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:12:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:12:17,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2025-03-08 19:12:17,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:12:17,957 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:12:17,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 8 states have internal predecessors, (109), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-08 19:12:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:12:17,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:12:17,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:12:17,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 19:12:17,964 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-08 19:12:17,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:12:20,093 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:12:20,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:12:20 BoogieIcfgContainer [2025-03-08 19:12:20,108 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:12:20,109 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:12:20,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:12:20,109 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:12:20,110 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:11:56" (3/4) ... [2025-03-08 19:12:20,111 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_put [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-03-08 19:12:20,115 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure netdev_warn [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_pull [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_push [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_clone [2025-03-08 19:12:20,116 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure crc32_le [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_trim [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2025-03-08 19:12:20,117 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2025-03-08 19:12:20,132 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2025-03-08 19:12:20,134 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2025-03-08 19:12:20,136 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-08 19:12:20,137 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 19:12:20,138 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 19:12:20,139 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:12:20,168 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2025-03-08 19:12:20,246 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2025-03-08 19:12:20,283 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:12:20,284 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:12:20,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:12:20,284 INFO L158 Benchmark]: Toolchain (without parser) took 30080.92ms. Allocated memory was 201.3MB in the beginning and 620.8MB in the end (delta: 419.4MB). Free memory was 151.4MB in the beginning and 337.9MB in the end (delta: -186.5MB). Peak memory consumption was 238.9MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,285 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 209.7MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:12:20,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.04ms. Allocated memory is still 201.3MB. Free memory was 151.4MB in the beginning and 56.8MB in the end (delta: 94.5MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.09ms. Allocated memory is still 201.3MB. Free memory was 56.8MB in the beginning and 141.4MB in the end (delta: -84.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,286 INFO L158 Benchmark]: Boogie Preprocessor took 179.36ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 111.0MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,286 INFO L158 Benchmark]: IcfgBuilder took 5365.70ms. Allocated memory is still 201.3MB. Free memory was 111.0MB in the beginning and 77.2MB in the end (delta: 33.8MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,286 INFO L158 Benchmark]: TraceAbstraction took 23277.22ms. Allocated memory was 201.3MB in the beginning and 620.8MB in the end (delta: 419.4MB). Free memory was 76.1MB in the beginning and 359.4MB in the end (delta: -283.3MB). Peak memory consumption was 134.3MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,287 INFO L158 Benchmark]: Witness Printer took 174.79ms. Allocated memory is still 620.8MB. Free memory was 359.4MB in the beginning and 337.9MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-08 19:12:20,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 209.7MB. Free memory is still 125.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.04ms. Allocated memory is still 201.3MB. Free memory was 151.4MB in the beginning and 56.8MB in the end (delta: 94.5MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.09ms. Allocated memory is still 201.3MB. Free memory was 56.8MB in the beginning and 141.4MB in the end (delta: -84.5MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 179.36ms. Allocated memory is still 201.3MB. Free memory was 141.4MB in the beginning and 111.0MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * IcfgBuilder took 5365.70ms. Allocated memory is still 201.3MB. Free memory was 111.0MB in the beginning and 77.2MB in the end (delta: 33.8MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * TraceAbstraction took 23277.22ms. Allocated memory was 201.3MB in the beginning and 620.8MB in the end (delta: 419.4MB). Free memory was 76.1MB in the beginning and 359.4MB in the end (delta: -283.3MB). Peak memory consumption was 134.3MB. Max. memory is 16.1GB. * Witness Printer took 174.79ms. Allocated memory is still 620.8MB. Free memory was 359.4MB in the beginning and 337.9MB in the end (delta: 21.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5489]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5681]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 367 locations, 543 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.1s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 1805 SdHoareTripleChecker+Valid, 17.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1799 mSDsluCounter, 5944 SdHoareTripleChecker+Invalid, 16.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3429 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 710 IncrementalHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 2515 mSDtfsCounter, 710 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2460occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 1123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 364/364 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6432]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 6418]: Location Invariant Derived location invariant: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) RESULT: Ultimate proved your program to be correct! [2025-03-08 19:12:20,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE