./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 798a7b37 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-?-798a7b3-m [2025-03-04 04:00:14,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:00:14,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:00:14,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:00:14,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:00:14,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:00:14,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:00:14,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:00:14,152 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:00:14,153 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:00:14,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:00:14,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:00:14,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:00:14,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:00:14,154 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:00:14,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:00:14,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:00:14,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:00:14,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:00:14,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:00:14,155 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:00:14,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:00:14,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:00:14,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:00:14,156 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:00:14,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:00:14,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:00:14,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:00:14,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:00:14,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:00:14,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:00:14,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:00:14,157 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 [2025-03-04 04:00:14,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:00:14,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:00:14,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:00:14,397 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:00:14,397 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:00:14,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2025-03-04 04:00:15,592 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e022750a/094bd748f87245e5b7c81740b904d8ca/FLAG215f50104 [2025-03-04 04:00:15,967 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:00:15,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2025-03-04 04:00:16,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e022750a/094bd748f87245e5b7c81740b904d8ca/FLAG215f50104 [2025-03-04 04:00:16,160 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e022750a/094bd748f87245e5b7c81740b904d8ca [2025-03-04 04:00:16,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:00:16,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:00:16,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:00:16,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:00:16,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:00:16,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:00:16" (1/1) ... [2025-03-04 04:00:16,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67409786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:16, skipping insertion in model container [2025-03-04 04:00:16,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:00:16" (1/1) ... [2025-03-04 04:00:16,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:00:16,717 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] [2025-03-04 04:00:17,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:00:17,028 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:00:17,154 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2025-03-04 04:00:17,161 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] [2025-03-04 04:00:17,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:00:17,230 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:00:17,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17 WrapperNode [2025-03-04 04:00:17,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:00:17,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:00:17,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:00:17,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:00:17,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,311 INFO L138 Inliner]: procedures = 125, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1172 [2025-03-04 04:00:17,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:00:17,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:00:17,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:00:17,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:00:17,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,448 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 8, 8, 7, 3, 19, 18, 2, 121, 44]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 8, 8, 0, 0, 0, 15, 0, 34, 0]. The 97 writes are split as follows [0, 0, 0, 6, 1, 19, 1, 1, 25, 44]. [2025-03-04 04:00:17,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:00:17,523 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:00:17,523 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:00:17,523 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:00:17,528 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (1/1) ... [2025-03-04 04:00:17,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:00:17,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:00:17,555 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) [2025-03-04 04:00:17,557 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 [2025-03-04 04:00:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 04:00:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:00:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 04:00:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:00:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:00:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2025-03-04 04:00:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2025-03-04 04:00:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2025-03-04 04:00:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2025-03-04 04:00:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2025-03-04 04:00:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2025-03-04 04:00:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:00:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2025-03-04 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2025-03-04 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-03-04 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2025-03-04 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-03-04 04:00:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-03-04 04:00:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-03-04 04:00:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-03-04 04:00:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:00:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2025-03-04 04:00:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2025-03-04 04:00:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2025-03-04 04:00:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:00:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2025-03-04 04:00:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2025-03-04 04:00:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2025-03-04 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-04 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2025-03-04 04:00:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 04:00:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-04 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-04 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 04:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:00:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2025-03-04 04:00:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2025-03-04 04:00:17,925 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:00:17,927 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:00:17,941 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:00:17,956 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6622: havoc #t~ret206.base, #t~ret206.offset; [2025-03-04 04:00:17,960 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6613: havoc #t~ret203.base, #t~ret203.offset; [2025-03-04 04:00:18,079 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6619: havoc #t~ret205.base, #t~ret205.offset; [2025-03-04 04:00:18,385 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6650: havoc usb_submit_urb_#t~nondet212#1; [2025-03-04 04:00:18,386 INFO L1325 $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; [2025-03-04 04:00:18,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5512: havoc __le32_to_cpup_#t~mem4#1; [2025-03-04 04:00:18,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc __dynamic_netdev_dbg_#t~nondet198#1; [2025-03-04 04:00:18,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5518: havoc __le16_to_cpup_#t~mem5#1; [2025-03-04 04:00:18,386 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc usb_alloc_urb_#t~ret210#1.base, usb_alloc_urb_#t~ret210#1.offset; [2025-03-04 04:00:18,389 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6598: havoc #t~nondet199; [2025-03-04 04:00:18,417 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6610: havoc #t~nondet202; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6675: havoc usbnet_suspend_#t~nondet216#1; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6602: havoc ldv_release_2_#t~nondet200#1; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6668: havoc usbnet_resume_#t~nondet215#1; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6660: havoc usbnet_get_endpoints_#t~nondet213#1; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6646: havoc usb_register_driver_#t~nondet211#1; [2025-03-04 04:00:22,771 INFO L1325 $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; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6606: havoc ldv_reset_resume_1_#t~nondet201#1; [2025-03-04 04:00:22,771 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6664: havoc usbnet_probe_#t~nondet214#1; [2025-03-04 04:00:22,905 INFO L1325 $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; [2025-03-04 04:00:22,905 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5614: havoc skb_tailroom_#t~ite43#1;havoc skb_tailroom_#t~mem41#1;havoc skb_tailroom_#t~mem42#1; [2025-03-04 04:00:22,905 INFO L1325 $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; [2025-03-04 04:00:22,905 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5536: havoc atomic_read_#t~mem16#1; [2025-03-04 04:00:22,905 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5582: havoc skb_is_nonlinear_#t~mem28#1; [2025-03-04 04:00:22,906 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6616: havoc skb_copy_expand_#t~ret204#1.base, skb_copy_expand_#t~ret204#1.offset; [2025-03-04 04:00:23,021 INFO L? ?]: Removed 574 outVars from TransFormulas that were not future-live. [2025-03-04 04:00:23,021 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:00:23,042 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:00:23,042 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:00:23,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:00:23 BoogieIcfgContainer [2025-03-04 04:00:23,043 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:00:23,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:00:23,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:00:23,049 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:00:23,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:00:16" (1/3) ... [2025-03-04 04:00:23,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a19f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:00:23, skipping insertion in model container [2025-03-04 04:00:23,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:00:17" (2/3) ... [2025-03-04 04:00:23,050 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a19f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:00:23, skipping insertion in model container [2025-03-04 04:00:23,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:00:23" (3/3) ... [2025-03-04 04:00:23,051 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 [2025-03-04 04:00:23,061 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:00:23,063 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. [2025-03-04 04:00:23,111 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:00:23,120 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;@48168295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:00:23,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:00:23,127 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) [2025-03-04 04:00:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-04 04:00:23,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:23,134 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] [2025-03-04 04:00:23,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:23,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:23,138 INFO L85 PathProgramCache]: Analyzing trace with hash 360137537, now seen corresponding path program 1 times [2025-03-04 04:00:23,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:23,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766474539] [2025-03-04 04:00:23,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:23,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:23,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-04 04:00:23,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-04 04:00:23,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:23,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-04 04:00:23,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766474539] [2025-03-04 04:00:23,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766474539] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:23,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:23,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:23,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66931291] [2025-03-04 04:00:23,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:23,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:23,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:24,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:24,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:24,007 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) [2025-03-04 04:00:28,032 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 [] [2025-03-04 04:00:28,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:28,186 INFO L93 Difference]: Finished difference Result 950 states and 1351 transitions. [2025-03-04 04:00:28,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:28,188 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 [2025-03-04 04:00:28,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:28,201 INFO L225 Difference]: With dead ends: 950 [2025-03-04 04:00:28,201 INFO L226 Difference]: Without dead ends: 605 [2025-03-04 04:00:28,205 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 [2025-03-04 04:00:28,207 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 [2025-03-04 04:00:28,207 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] [2025-03-04 04:00:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-03-04 04:00:28,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2025-03-04 04:00:28,269 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) [2025-03-04 04:00:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 819 transitions. [2025-03-04 04:00:28,276 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 819 transitions. Word has length 42 [2025-03-04 04:00:28,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:28,276 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 819 transitions. [2025-03-04 04:00:28,277 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) [2025-03-04 04:00:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 819 transitions. [2025-03-04 04:00:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-04 04:00:28,279 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:28,279 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] [2025-03-04 04:00:28,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 04:00:28,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:28,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:28,280 INFO L85 PathProgramCache]: Analyzing trace with hash -540635290, now seen corresponding path program 1 times [2025-03-04 04:00:28,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:28,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382526002] [2025-03-04 04:00:28,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:28,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:28,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 04:00:28,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 04:00:28,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:28,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:28,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-04 04:00:28,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:28,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382526002] [2025-03-04 04:00:28,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382526002] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:28,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:28,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 04:00:28,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622033134] [2025-03-04 04:00:28,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:28,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 04:00:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:28,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 04:00:28,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 04:00:28,830 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) [2025-03-04 04:00:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:28,984 INFO L93 Difference]: Finished difference Result 1190 states and 1622 transitions. [2025-03-04 04:00:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:00:28,985 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 [2025-03-04 04:00:28,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:28,994 INFO L225 Difference]: With dead ends: 1190 [2025-03-04 04:00:28,994 INFO L226 Difference]: Without dead ends: 1181 [2025-03-04 04:00:28,995 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 [2025-03-04 04:00:28,996 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 [2025-03-04 04:00:28,996 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] [2025-03-04 04:00:28,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2025-03-04 04:00:29,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1177. [2025-03-04 04:00:29,056 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) [2025-03-04 04:00:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1605 transitions. [2025-03-04 04:00:29,068 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1605 transitions. Word has length 52 [2025-03-04 04:00:29,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:29,070 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1605 transitions. [2025-03-04 04:00:29,070 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) [2025-03-04 04:00:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1605 transitions. [2025-03-04 04:00:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-03-04 04:00:29,082 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:29,082 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] [2025-03-04 04:00:29,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:00:29,082 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:29,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:29,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1316025850, now seen corresponding path program 1 times [2025-03-04 04:00:29,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:29,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566232473] [2025-03-04 04:00:29,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:29,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-03-04 04:00:29,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-03-04 04:00:29,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:29,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-03-04 04:00:29,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:29,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566232473] [2025-03-04 04:00:29,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566232473] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:29,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:29,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:29,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756054838] [2025-03-04 04:00:29,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:29,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:29,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:29,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:29,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:29,464 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) [2025-03-04 04:00:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:29,560 INFO L93 Difference]: Finished difference Result 2564 states and 3517 transitions. [2025-03-04 04:00:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:29,561 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 [2025-03-04 04:00:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:29,568 INFO L225 Difference]: With dead ends: 2564 [2025-03-04 04:00:29,568 INFO L226 Difference]: Without dead ends: 1407 [2025-03-04 04:00:29,573 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 [2025-03-04 04:00:29,573 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 [2025-03-04 04:00:29,573 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] [2025-03-04 04:00:29,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2025-03-04 04:00:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1398. [2025-03-04 04:00:29,679 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) [2025-03-04 04:00:29,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1924 transitions. [2025-03-04 04:00:29,696 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1924 transitions. Word has length 162 [2025-03-04 04:00:29,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:29,696 INFO L471 AbstractCegarLoop]: Abstraction has 1398 states and 1924 transitions. [2025-03-04 04:00:29,696 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) [2025-03-04 04:00:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1924 transitions. [2025-03-04 04:00:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 04:00:29,701 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:29,701 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] [2025-03-04 04:00:29,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:00:29,701 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:29,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:29,706 INFO L85 PathProgramCache]: Analyzing trace with hash -509945238, now seen corresponding path program 1 times [2025-03-04 04:00:29,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:29,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717015610] [2025-03-04 04:00:29,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:29,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:29,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 04:00:30,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 04:00:30,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:30,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-04 04:00:30,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:30,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717015610] [2025-03-04 04:00:30,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717015610] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:30,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:30,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:30,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727925155] [2025-03-04 04:00:30,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:30,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:30,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:30,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:30,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:30,166 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) [2025-03-04 04:00:34,180 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 [] [2025-03-04 04:00:34,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:34,370 INFO L93 Difference]: Finished difference Result 3828 states and 5265 transitions. [2025-03-04 04:00:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:34,371 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 [2025-03-04 04:00:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:34,386 INFO L225 Difference]: With dead ends: 3828 [2025-03-04 04:00:34,387 INFO L226 Difference]: Without dead ends: 2461 [2025-03-04 04:00:34,393 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 [2025-03-04 04:00:34,395 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 [2025-03-04 04:00:34,395 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] [2025-03-04 04:00:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2025-03-04 04:00:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2452. [2025-03-04 04:00:34,501 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) [2025-03-04 04:00:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2452 states and 3340 transitions. [2025-03-04 04:00:34,516 INFO L78 Accepts]: Start accepts. Automaton has 2452 states and 3340 transitions. Word has length 184 [2025-03-04 04:00:34,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:34,516 INFO L471 AbstractCegarLoop]: Abstraction has 2452 states and 3340 transitions. [2025-03-04 04:00:34,517 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) [2025-03-04 04:00:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 3340 transitions. [2025-03-04 04:00:34,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-04 04:00:34,526 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:34,527 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] [2025-03-04 04:00:34,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 04:00:34,527 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:34,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash 613908010, now seen corresponding path program 1 times [2025-03-04 04:00:34,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:34,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044113810] [2025-03-04 04:00:34,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:34,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:34,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-04 04:00:34,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-04 04:00:34,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:34,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-04 04:00:34,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:34,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044113810] [2025-03-04 04:00:34,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044113810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:34,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:34,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:00:34,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241280153] [2025-03-04 04:00:34,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:34,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:00:34,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:34,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:00:34,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:00:34,888 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) [2025-03-04 04:00:34,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:34,963 INFO L93 Difference]: Finished difference Result 3679 states and 5040 transitions. [2025-03-04 04:00:34,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:00:34,963 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 [2025-03-04 04:00:34,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:34,976 INFO L225 Difference]: With dead ends: 3679 [2025-03-04 04:00:34,976 INFO L226 Difference]: Without dead ends: 2460 [2025-03-04 04:00:34,981 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 [2025-03-04 04:00:34,981 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 [2025-03-04 04:00:34,982 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] [2025-03-04 04:00:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2025-03-04 04:00:35,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2460. [2025-03-04 04:00:35,059 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) [2025-03-04 04:00:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 3348 transitions. [2025-03-04 04:00:35,072 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 3348 transitions. Word has length 184 [2025-03-04 04:00:35,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:35,073 INFO L471 AbstractCegarLoop]: Abstraction has 2460 states and 3348 transitions. [2025-03-04 04:00:35,073 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) [2025-03-04 04:00:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 3348 transitions. [2025-03-04 04:00:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2025-03-04 04:00:35,078 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:00:35,078 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] [2025-03-04 04:00:35,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 04:00:35,078 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:00:35,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:00:35,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1588162507, now seen corresponding path program 1 times [2025-03-04 04:00:35,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:00:35,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506673861] [2025-03-04 04:00:35,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:00:35,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:00:35,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 185 statements into 1 equivalence classes. [2025-03-04 04:00:35,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 185 of 185 statements. [2025-03-04 04:00:35,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:00:35,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:00:35,885 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-03-04 04:00:35,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:00:35,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506673861] [2025-03-04 04:00:35,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506673861] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:00:35,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:00:35,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-04 04:00:35,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566763418] [2025-03-04 04:00:35,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:00:35,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-04 04:00:35,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:00:35,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-04 04:00:35,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-04 04:00:35,886 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) [2025-03-04 04:00:39,898 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 [] [2025-03-04 04:00:43,916 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 [] [2025-03-04 04:00:44,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:00:44,685 INFO L93 Difference]: Finished difference Result 3658 states and 4993 transitions. [2025-03-04 04:00:44,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 04:00:44,686 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 [2025-03-04 04:00:44,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:00:44,689 INFO L225 Difference]: With dead ends: 3658 [2025-03-04 04:00:44,689 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 04:00:44,696 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 [2025-03-04 04:00:44,696 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 498 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 140 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s 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, 8.7s IncrementalHoareTripleChecker+Time [2025-03-04 04:00:44,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 806 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 576 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2025-03-04 04:00:44,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 04:00:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 04:00:44,697 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) [2025-03-04 04:00:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 04:00:44,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2025-03-04 04:00:44,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:00:44,699 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 04:00:44,699 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) [2025-03-04 04:00:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 04:00:44,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 04:00:44,701 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 04:00:44,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 04:00:44,703 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-04 04:00:44,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 04:00:46,814 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 04:00:46,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:00:46 BoogieIcfgContainer [2025-03-04 04:00:46,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 04:00:46,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 04:00:46,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 04:00:46,826 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 04:00:46,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:00:23" (3/4) ... [2025-03-04 04:00:46,828 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_put [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure netdev_warn [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_pull [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_push [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2025-03-04 04:00:46,831 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_clone [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure crc32_le [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure skb_trim [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2025-03-04 04:00:46,832 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2025-03-04 04:00:46,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2025-03-04 04:00:46,845 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2025-03-04 04:00:46,849 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-04 04:00:46,850 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-04 04:00:46,852 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-04 04:00:46,853 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 04:00:46,878 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2025-03-04 04:00:46,949 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2025-03-04 04:00:46,980 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 04:00:46,981 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 04:00:46,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 04:00:46,981 INFO L158 Benchmark]: Toolchain (without parser) took 30818.23ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 96.9MB in the beginning and 258.5MB in the end (delta: -161.6MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,981 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:00:46,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1067.25ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 60.0MB in the end (delta: 36.9MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.77ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 52.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,982 INFO L158 Benchmark]: Boogie Preprocessor took 210.79ms. Allocated memory is still 142.6MB. Free memory was 52.3MB in the beginning and 75.4MB in the end (delta: -23.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,982 INFO L158 Benchmark]: IcfgBuilder took 5519.55ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 75.4MB in the beginning and 247.4MB in the end (delta: -172.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,983 INFO L158 Benchmark]: TraceAbstraction took 23780.92ms. Allocated memory was 343.9MB in the beginning and 469.8MB in the end (delta: 125.8MB). Free memory was 246.5MB in the beginning and 279.5MB in the end (delta: -33.0MB). Peak memory consumption was 245.2MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,983 INFO L158 Benchmark]: Witness Printer took 155.10ms. Allocated memory is still 469.8MB. Free memory was 279.5MB in the beginning and 258.5MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-03-04 04:00:46,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 201.3MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1067.25ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 60.0MB in the end (delta: 36.9MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.77ms. Allocated memory is still 142.6MB. Free memory was 60.0MB in the beginning and 52.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.79ms. Allocated memory is still 142.6MB. Free memory was 52.3MB in the beginning and 75.4MB in the end (delta: -23.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * IcfgBuilder took 5519.55ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 75.4MB in the beginning and 247.4MB in the end (delta: -172.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * TraceAbstraction took 23780.92ms. Allocated memory was 343.9MB in the beginning and 469.8MB in the end (delta: 125.8MB). Free memory was 246.5MB in the beginning and 279.5MB in the end (delta: -33.0MB). Peak memory consumption was 245.2MB. Max. memory is 16.1GB. * Witness Printer took 155.10ms. Allocated memory is still 469.8MB. Free memory was 279.5MB in the beginning and 258.5MB in the end (delta: 21.0MB). 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, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.6s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.6s, 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s 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! [2025-03-04 04:00:47,012 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