./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 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-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/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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 04:13:01,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:13:01,069 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:13:01,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:13:01,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:13:01,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:13:01,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:13:01,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:13:01,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:13:01,099 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:13:01,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:13:01,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:13:01,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:13:01,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:13:01,101 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:13:01,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:13:01,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:13:01,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:13:01,102 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:13:01,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:13:01,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:13:01,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:13:01,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:13:01,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:13:01,103 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:13:01,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:13:01,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:13:01,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:13:01,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:13:01,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:13:01,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:13:01,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:13:01,104 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 -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2025-03-04 04:13:01,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:13:01,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:13:01,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:13:01,371 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:13:01,372 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:13:01,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-03-04 04:13:02,605 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0754c1f47/89a239db09374fdf857f61f8c6cb608d/FLAGcd42cf76b [2025-03-04 04:13:03,019 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:13:03,020 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-03-04 04:13:03,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0754c1f47/89a239db09374fdf857f61f8c6cb608d/FLAGcd42cf76b [2025-03-04 04:13:03,062 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0754c1f47/89a239db09374fdf857f61f8c6cb608d [2025-03-04 04:13:03,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:13:03,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:13:03,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:13:03,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:13:03,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:13:03,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae78835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03, skipping insertion in model container [2025-03-04 04:13:03,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,140 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:13:03,643 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2025-03-04 04:13:03,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:13:03,712 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:13:03,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2742] [2025-03-04 04:13:03,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2750] [2025-03-04 04:13:03,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [2757] [2025-03-04 04:13:03,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [2765] [2025-03-04 04:13:03,824 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2025-03-04 04:13:03,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:13:03,861 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:13:03,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03 WrapperNode [2025-03-04 04:13:03,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:13:03,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:13:03,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:13:03,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:13:03,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,917 INFO L138 Inliner]: procedures = 79, calls = 173, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 517 [2025-03-04 04:13:03,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:13:03,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:13:03,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:13:03,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:13:03,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,938 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,971 INFO L175 MemorySlicer]: Split 82 memory accesses to 7 slices as follows [2, 19, 8, 3, 13, 10, 27]. 33 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 8, 0, 1, 10, 0]. The 32 writes are split as follows [0, 7, 0, 1, 2, 0, 22]. [2025-03-04 04:13:03,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:03,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:04,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:04,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:04,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:13:04,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:13:04,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:13:04,010 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:13:04,012 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (1/1) ... [2025-03-04 04:13:04,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:13:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:13:04,044 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 04:13:04,051 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 04:13:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:13:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:13:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:13:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:13:04,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:13:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2025-03-04 04:13:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-04 04:13:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-04 04:13:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2025-03-04 04:13:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-03-04 04:13:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-04 04:13:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:13:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:13:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-03-04 04:13:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:13:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-03-04 04:13:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2025-03-04 04:13:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2025-03-04 04:13:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:13:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:13:04,293 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:13:04,296 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:13:04,315 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:13:04,332 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: havoc #t~ret126.base, #t~ret126.offset; [2025-03-04 04:13:04,373 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3248: havoc #t~ret135.base, #t~ret135.offset; [2025-03-04 04:13:04,379 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3252: havoc #t~nondet136; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3242: havoc pci_bus_write_config_word_#t~nondet134#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3234: havoc pci_bus_read_config_word_#t~nondet132#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3226: havoc pci_assign_resource_#t~nondet130#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3218: havoc mtd_device_parse_register_#t~nondet128#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947: call ULTIMATE.dealloc(init_l440gx_~#word~0#1.base, init_l440gx_~#word~0#1.offset);havoc init_l440gx_~#word~0#1.base, init_l440gx_~#word~0#1.offset; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3196: havoc _raw_spin_lock_irqsave_#t~nondet125#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3238: havoc pci_bus_write_config_dword_#t~nondet133#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3205: havoc ioremap_nocache_#t~ret127#1.base, ioremap_nocache_#t~ret127#1.offset; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3230: havoc pci_bus_read_config_dword_#t~nondet131#1; [2025-03-04 04:13:06,909 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3222: havoc mtd_device_unregister_#t~nondet129#1; [2025-03-04 04:13:06,965 INFO L? ?]: Removed 261 outVars from TransFormulas that were not future-live. [2025-03-04 04:13:06,965 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:13:06,984 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:13:06,987 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:13:06,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:13:06 BoogieIcfgContainer [2025-03-04 04:13:06,988 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:13:06,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:13:06,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:13:06,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:13:06,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:13:03" (1/3) ... [2025-03-04 04:13:06,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e259d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:13:06, skipping insertion in model container [2025-03-04 04:13:06,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:13:03" (2/3) ... [2025-03-04 04:13:06,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e259d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:13:06, skipping insertion in model container [2025-03-04 04:13:06,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:13:06" (3/3) ... [2025-03-04 04:13:06,998 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-03-04 04:13:07,010 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:13:07,012 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. [2025-03-04 04:13:07,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:13:07,076 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;@28b88fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:13:07,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:13:07,082 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) [2025-03-04 04:13:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-04 04:13:07,088 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:13:07,089 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] [2025-03-04 04:13:07,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:13:07,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:13:07,096 INFO L85 PathProgramCache]: Analyzing trace with hash 722261772, now seen corresponding path program 1 times [2025-03-04 04:13:07,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:13:07,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694150435] [2025-03-04 04:13:07,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:13:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:13:07,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 04:13:07,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 04:13:07,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:13:07,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:13:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 04:13:07,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:13:07,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694150435] [2025-03-04 04:13:07,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694150435] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:13:07,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:13:07,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:13:07,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113086459] [2025-03-04 04:13:07,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:13:07,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:13:07,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:13:07,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:13:07,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:13:07,567 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) [2025-03-04 04:13:11,586 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 04:13:11,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:13:11,665 INFO L93 Difference]: Finished difference Result 339 states and 454 transitions. [2025-03-04 04:13:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:13:11,667 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 [2025-03-04 04:13:11,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:13:11,671 INFO L225 Difference]: With dead ends: 339 [2025-03-04 04:13:11,672 INFO L226 Difference]: Without dead ends: 169 [2025-03-04 04:13:11,674 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 04:13:11,675 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 181 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:13:11,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 236 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-04 04:13:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-03-04 04:13:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2025-03-04 04:13:11,713 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) [2025-03-04 04:13:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 216 transitions. [2025-03-04 04:13:11,721 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 216 transitions. Word has length 20 [2025-03-04 04:13:11,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:13:11,721 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 216 transitions. [2025-03-04 04:13:11,721 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) [2025-03-04 04:13:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 216 transitions. [2025-03-04 04:13:11,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 04:13:11,724 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:13:11,725 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] [2025-03-04 04:13:11,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 04:13:11,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:13:11,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:13:11,726 INFO L85 PathProgramCache]: Analyzing trace with hash -964238736, now seen corresponding path program 1 times [2025-03-04 04:13:11,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:13:11,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672299089] [2025-03-04 04:13:11,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:13:11,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:13:11,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 04:13:11,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 04:13:11,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:13:11,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:13:11,983 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 04:13:11,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:13:11,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672299089] [2025-03-04 04:13:11,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672299089] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:13:11,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:13:11,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:13:11,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776313996] [2025-03-04 04:13:11,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:13:11,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:13:11,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:13:11,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:13:11,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:13:11,985 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) [2025-03-04 04:13:15,993 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 04:13:16,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:13:16,085 INFO L93 Difference]: Finished difference Result 343 states and 438 transitions. [2025-03-04 04:13:16,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:13:16,086 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 [2025-03-04 04:13:16,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:13:16,087 INFO L225 Difference]: With dead ends: 343 [2025-03-04 04:13:16,087 INFO L226 Difference]: Without dead ends: 177 [2025-03-04 04:13:16,088 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 [2025-03-04 04:13:16,088 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 6 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-04 04:13:16,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 561 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-04 04:13:16,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-03-04 04:13:16,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 172. [2025-03-04 04:13:16,106 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) [2025-03-04 04:13:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2025-03-04 04:13:16,108 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 53 [2025-03-04 04:13:16,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:13:16,112 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2025-03-04 04:13:16,113 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) [2025-03-04 04:13:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2025-03-04 04:13:16,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-04 04:13:16,114 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:13:16,114 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] [2025-03-04 04:13:16,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:13:16,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:13:16,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:13:16,114 INFO L85 PathProgramCache]: Analyzing trace with hash -935609585, now seen corresponding path program 1 times [2025-03-04 04:13:16,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:13:16,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478366222] [2025-03-04 04:13:16,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:13:16,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:13:16,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-04 04:13:16,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-04 04:13:16,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:13:16,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:13:16,265 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 04:13:16,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:13:16,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478366222] [2025-03-04 04:13:16,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478366222] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:13:16,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:13:16,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:13:16,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054160404] [2025-03-04 04:13:16,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:13:16,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:13:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:13:16,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:13:16,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:13:16,267 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) [2025-03-04 04:13:16,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:13:16,293 INFO L93 Difference]: Finished difference Result 172 states and 219 transitions. [2025-03-04 04:13:16,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:13:16,295 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 [2025-03-04 04:13:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:13:16,296 INFO L225 Difference]: With dead ends: 172 [2025-03-04 04:13:16,296 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 04:13:16,297 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 04:13:16,297 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 172 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-04 04:13:16,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 190 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 04:13:16,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 04:13:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 04:13:16,299 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 04:13:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 04:13:16,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2025-03-04 04:13:16,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:13:16,300 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 04:13:16,300 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) [2025-03-04 04:13:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 04:13:16,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 04:13:16,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 04:13:16,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:13:16,306 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 04:13:16,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 04:13:16,614 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 04:13:16,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:13:16 BoogieIcfgContainer [2025-03-04 04:13:16,619 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 04:13:16,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 04:13:16,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 04:13:16,620 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 04:13:16,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:13:06" (3/4) ... [2025-03-04 04:13:16,628 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 04:13:16,633 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure iounmap [2025-03-04 04:13:16,633 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-03-04 04:13:16,633 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2025-03-04 04:13:16,633 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 04:13:16,633 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2025-03-04 04:13:16,633 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure inl [2025-03-04 04:13:16,634 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2025-03-04 04:13:16,635 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-03-04 04:13:16,635 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-04 04:13:16,635 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-04 04:13:16,638 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outl [2025-03-04 04:13:16,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2025-03-04 04:13:16,650 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2025-03-04 04:13:16,651 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-03-04 04:13:16,651 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 04:13:16,655 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 04:13:16,742 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 04:13:16,742 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 04:13:16,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 04:13:16,743 INFO L158 Benchmark]: Toolchain (without parser) took 13676.07ms. Allocated memory is still 201.3MB. Free memory was 151.2MB in the beginning and 120.8MB in the end (delta: 30.4MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2025-03-04 04:13:16,743 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 201.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:13:16,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.92ms. Allocated memory is still 201.3MB. Free memory was 150.8MB in the beginning and 94.9MB in the end (delta: 55.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 04:13:16,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.36ms. Allocated memory is still 201.3MB. Free memory was 94.9MB in the beginning and 90.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:13:16,744 INFO L158 Benchmark]: Boogie Preprocessor took 91.53ms. Allocated memory is still 201.3MB. Free memory was 90.8MB in the beginning and 84.5MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 04:13:16,748 INFO L158 Benchmark]: IcfgBuilder took 2978.56ms. Allocated memory is still 201.3MB. Free memory was 84.5MB in the beginning and 126.2MB in the end (delta: -41.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2025-03-04 04:13:16,748 INFO L158 Benchmark]: TraceAbstraction took 9628.67ms. Allocated memory is still 201.3MB. Free memory was 125.2MB in the beginning and 132.5MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:13:16,748 INFO L158 Benchmark]: Witness Printer took 122.45ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 120.8MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 04:13:16,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 201.3MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.92ms. Allocated memory is still 201.3MB. Free memory was 150.8MB in the beginning and 94.9MB in the end (delta: 55.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.36ms. Allocated memory is still 201.3MB. Free memory was 94.9MB in the beginning and 90.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 91.53ms. Allocated memory is still 201.3MB. Free memory was 90.8MB in the beginning and 84.5MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 2978.56ms. Allocated memory is still 201.3MB. Free memory was 84.5MB in the beginning and 126.2MB in the end (delta: -41.7MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9628.67ms. Allocated memory is still 201.3MB. Free memory was 125.2MB in the beginning and 132.5MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.45ms. Allocated memory is still 201.3MB. Free memory was 132.5MB in the beginning and 120.8MB in the end (delta: 11.7MB). 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: 9.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 359 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 359 mSDsluCounter, 987 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 404 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 583 mSDtfsCounter, 53 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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! [2025-03-04 04:13:16,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/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