./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:43:08,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:43:08,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:43:08,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:43:08,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:43:08,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:43:08,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:43:08,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:43:08,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:43:08,636 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:43:08,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:43:08,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:43:08,637 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:43:08,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:43:08,637 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:43:08,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:43:08,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:43:08,638 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:43:08,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:43:08,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:43:08,639 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:43:08,639 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:43:08,639 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:43:08,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:43:08,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:43:08,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:43:08,640 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-jdk21/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 -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2025-01-09 18:43:08,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:43:08,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:43:08,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:43:08,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:43:08,916 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:43:08,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-01-09 18:43:10,183 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61e549886/20b34f0f38b949808f5829a361709d93/FLAG65c43d854 [2025-01-09 18:43:10,579 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:43:10,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-01-09 18:43:10,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61e549886/20b34f0f38b949808f5829a361709d93/FLAG65c43d854 [2025-01-09 18:43:10,624 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/61e549886/20b34f0f38b949808f5829a361709d93 [2025-01-09 18:43:10,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:43:10,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:43:10,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:43:10,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:43:10,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:43:10,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:43:10" (1/1) ... [2025-01-09 18:43:10,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35249644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:10, skipping insertion in model container [2025-01-09 18:43:10,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:43:10" (1/1) ... [2025-01-09 18:43:10,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:43:11,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2025-01-09 18:43:11,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:43:11,155 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:43:11,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2742] [2025-01-09 18:43:11,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2750] [2025-01-09 18:43:11,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [2757] [2025-01-09 18:43:11,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [2765] [2025-01-09 18:43:11,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2025-01-09 18:43:11,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:43:11,337 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:43:11,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11 WrapperNode [2025-01-09 18:43:11,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:43:11,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:43:11,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:43:11,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:43:11,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,393 INFO L138 Inliner]: procedures = 79, calls = 173, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 517 [2025-01-09 18:43:11,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:43:11,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:43:11,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:43:11,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:43:11,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,448 INFO L175 MemorySlicer]: Split 82 memory accesses to 7 slices as follows [2, 3, 8, 13, 19, 10, 27]. 33 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 8, 1, 0, 10, 0]. The 32 writes are split as follows [0, 1, 0, 2, 7, 0, 22]. [2025-01-09 18:43:11,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,475 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:43:11,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:43:11,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:43:11,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:43:11,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (1/1) ... [2025-01-09 18:43:11,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:43:11,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:43:11,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:43:11,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:43:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:43:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:43:11,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:43:11,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:43:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:43:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:43:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:43:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:43:11,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:43:11,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:43:11,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:43:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:43:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:43:11,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2025-01-09 18:43:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:43:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2025-01-09 18:43:11,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2025-01-09 18:43:11,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-01-09 18:43:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:43:11,580 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:43:11,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:43:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-01-09 18:43:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:43:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-01-09 18:43:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:43:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:43:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:43:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2025-01-09 18:43:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2025-01-09 18:43:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:43:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:43:11,797 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:43:11,799 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:43:11,817 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:43:16,332 INFO L? ?]: Removed 261 outVars from TransFormulas that were not future-live. [2025-01-09 18:43:16,333 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:43:16,346 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:43:16,346 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 18:43:16,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:43:16 BoogieIcfgContainer [2025-01-09 18:43:16,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:43:16,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:43:16,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:43:16,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:43:16,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:43:10" (1/3) ... [2025-01-09 18:43:16,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f456ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:43:16, skipping insertion in model container [2025-01-09 18:43:16,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:43:11" (2/3) ... [2025-01-09 18:43:16,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f456ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:43:16, skipping insertion in model container [2025-01-09 18:43:16,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:43:16" (3/3) ... [2025-01-09 18:43:16,353 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-01-09 18:43:16,364 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:43:16,365 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i that has 12 procedures, 164 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 18:43:16,413 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:43:16,422 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;@69a13c00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:43:16,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:43:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 125 states have internal predecessors, (154), 30 states have call successors, (30), 11 states have call predecessors, (30), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-01-09 18:43:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-09 18:43:16,436 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:16,436 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:43:16,437 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:16,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:16,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1619442873, now seen corresponding path program 1 times [2025-01-09 18:43:16,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:16,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333633592] [2025-01-09 18:43:16,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:16,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:16,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-09 18:43:16,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-09 18:43:16,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:16,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:16,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:43:16,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:16,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333633592] [2025-01-09 18:43:16,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333633592] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:16,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:16,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:43:16,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102669506] [2025-01-09 18:43:16,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:16,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:16,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:16,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:16,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:16,911 INFO L87 Difference]: Start difference. First operand has 163 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 125 states have internal predecessors, (154), 30 states have call successors, (30), 11 states have call predecessors, (30), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:43:20,933 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 [] [2025-01-09 18:43:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:20,989 INFO L93 Difference]: Finished difference Result 339 states and 454 transitions. [2025-01-09 18:43:20,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:20,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2025-01-09 18:43:20,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:20,996 INFO L225 Difference]: With dead ends: 339 [2025-01-09 18:43:20,997 INFO L226 Difference]: Without dead ends: 169 [2025-01-09 18:43:20,999 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 [2025-01-09 18:43:21,001 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 181 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:21,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 241 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:43:21,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-01-09 18:43:21,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2025-01-09 18:43:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 130 states have (on average 1.2384615384615385) internal successors, (161), 130 states have internal predecessors, (161), 28 states have call successors, (28), 11 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-09 18:43:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 216 transitions. [2025-01-09 18:43:21,055 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 216 transitions. Word has length 20 [2025-01-09 18:43:21,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:21,055 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 216 transitions. [2025-01-09 18:43:21,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:43:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 216 transitions. [2025-01-09 18:43:21,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-09 18:43:21,062 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:21,062 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:43:21,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:43:21,063 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:21,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:21,063 INFO L85 PathProgramCache]: Analyzing trace with hash 487923069, now seen corresponding path program 1 times [2025-01-09 18:43:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:21,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47343277] [2025-01-09 18:43:21,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:21,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:21,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-09 18:43:21,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-09 18:43:21,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:21,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-09 18:43:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:21,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47343277] [2025-01-09 18:43:21,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47343277] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:21,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:21,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-09 18:43:21,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849486693] [2025-01-09 18:43:21,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:21,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 18:43:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:21,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 18:43:21,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:43:21,268 INFO L87 Difference]: Start difference. First operand 169 states and 216 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-01-09 18:43:25,277 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 [] [2025-01-09 18:43:25,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:25,356 INFO L93 Difference]: Finished difference Result 343 states and 438 transitions. [2025-01-09 18:43:25,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 18:43:25,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 53 [2025-01-09 18:43:25,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:25,358 INFO L225 Difference]: With dead ends: 343 [2025-01-09 18:43:25,361 INFO L226 Difference]: Without dead ends: 177 [2025-01-09 18:43:25,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-09 18:43:25,362 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 6 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:25,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 576 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:43:25,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-01-09 18:43:25,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 172. [2025-01-09 18:43:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 133 states have (on average 1.2330827067669172) internal successors, (164), 133 states have internal predecessors, (164), 28 states have call successors, (28), 11 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-09 18:43:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2025-01-09 18:43:25,378 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 53 [2025-01-09 18:43:25,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:25,378 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2025-01-09 18:43:25,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-01-09 18:43:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2025-01-09 18:43:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-09 18:43:25,379 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:43:25,380 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:43:25,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:43:25,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:43:25,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:43:25,380 INFO L85 PathProgramCache]: Analyzing trace with hash 545181371, now seen corresponding path program 1 times [2025-01-09 18:43:25,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:43:25,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931165551] [2025-01-09 18:43:25,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:43:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:43:25,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-09 18:43:25,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-09 18:43:25,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:43:25,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:43:25,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-09 18:43:25,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:43:25,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931165551] [2025-01-09 18:43:25,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931165551] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:43:25,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:43:25,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:43:25,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628141024] [2025-01-09 18:43:25,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:43:25,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:43:25,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:43:25,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:43:25,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:43:25,544 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:43:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:43:25,559 INFO L93 Difference]: Finished difference Result 172 states and 219 transitions. [2025-01-09 18:43:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:43:25,559 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), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2025-01-09 18:43:25,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:43:25,560 INFO L225 Difference]: With dead ends: 172 [2025-01-09 18:43:25,560 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:43:25,560 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 [2025-01-09 18:43:25,561 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 172 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:43:25,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:43:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:43:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:43:25,562 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) [2025-01-09 18:43:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:43:25,562 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2025-01-09 18:43:25,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:43:25,562 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:43:25,563 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), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-09 18:43:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:43:25,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:43:25,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:43:25,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:43:25,567 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-01-09 18:43:25,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:43:25,894 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:43:25,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:43:25 BoogieIcfgContainer [2025-01-09 18:43:25,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:43:25,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:43:25,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:43:25,903 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:43:25,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:43:16" (3/4) ... [2025-01-09 18:43:25,906 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:43:25,910 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2025-01-09 18:43:25,910 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:43:25,910 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2025-01-09 18:43:25,910 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:43:25,910 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2025-01-09 18:43:25,911 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2025-01-09 18:43:25,911 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2025-01-09 18:43:25,911 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:43:25,911 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:43:25,911 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:43:25,911 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2025-01-09 18:43:25,923 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2025-01-09 18:43:25,927 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2025-01-09 18:43:25,928 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-01-09 18:43:25,928 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:43:25,929 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:43:26,029 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:43:26,030 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:43:26,030 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:43:26,031 INFO L158 Benchmark]: Toolchain (without parser) took 15403.74ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 72.3MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,033 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:43:26,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.13ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 44.7MB in the end (delta: 56.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.41ms. Allocated memory is still 142.6MB. Free memory was 44.7MB in the beginning and 41.1MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,034 INFO L158 Benchmark]: Boogie Preprocessor took 120.76ms. Allocated memory is still 142.6MB. Free memory was 41.1MB in the beginning and 98.7MB in the end (delta: -57.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,034 INFO L158 Benchmark]: RCFGBuilder took 4831.29ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 48.7MB in the end (delta: 50.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,035 INFO L158 Benchmark]: TraceAbstraction took 9554.81ms. Allocated memory is still 142.6MB. Free memory was 48.0MB in the beginning and 84.5MB in the end (delta: -36.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,035 INFO L158 Benchmark]: Witness Printer took 127.11ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 72.3MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 18:43:26,036 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.13ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 44.7MB in the end (delta: 56.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.41ms. Allocated memory is still 142.6MB. Free memory was 44.7MB in the beginning and 41.1MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.76ms. Allocated memory is still 142.6MB. Free memory was 41.1MB in the beginning and 98.7MB in the end (delta: -57.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4831.29ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 48.7MB in the end (delta: 50.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 9554.81ms. Allocated memory is still 142.6MB. Free memory was 48.0MB in the beginning and 84.5MB in the end (delta: -36.5MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 127.11ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 72.3MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2742]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2742] - GenericResultAtLocation [Line: 2750]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2750] - GenericResultAtLocation [Line: 2757]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [2757] - GenericResultAtLocation [Line: 2765]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [2765] * 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: 3089]: 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 12 procedures, 164 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 359 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 359 mSDsluCounter, 1012 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 414 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 598 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 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 RESULT: Ultimate proved your program to be correct! [2025-01-09 18:43:26,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE