./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 c00e63dc 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-?-c00e63d-m [2025-02-06 06:37:21,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 06:37:21,165 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 06:37:21,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 06:37:21,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 06:37:21,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 06:37:21,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 06:37:21,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 06:37:21,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 06:37:21,201 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 06:37:21,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 06:37:21,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 06:37:21,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 06:37:21,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 06:37:21,203 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 06:37:21,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 06:37:21,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 06:37:21,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 06:37:21,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 06:37:21,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 06:37:21,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 06:37:21,204 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:37:21,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 06:37:21,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 06:37:21,204 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 [2025-02-06 06:37:21,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 06:37:21,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 06:37:21,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 06:37:21,474 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 06:37:21,475 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 06:37:21,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-02-06 06:37:22,708 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6131ca743/da2118341b2d4b78bf97cb2f415bb4d6/FLAG1344b622d [2025-02-06 06:37:23,162 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 06:37:23,163 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-02-06 06:37:23,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6131ca743/da2118341b2d4b78bf97cb2f415bb4d6/FLAG1344b622d [2025-02-06 06:37:23,285 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6131ca743/da2118341b2d4b78bf97cb2f415bb4d6 [2025-02-06 06:37:23,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 06:37:23,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 06:37:23,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 06:37:23,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 06:37:23,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 06:37:23,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:23,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b88f9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23, skipping insertion in model container [2025-02-06 06:37:23,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:23,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 06:37:23,777 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] [2025-02-06 06:37:23,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:37:23,823 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 06:37:23,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [2742] [2025-02-06 06:37:23,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [2750] [2025-02-06 06:37:23,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [2757] [2025-02-06 06:37:23,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [2765] [2025-02-06 06:37:23,951 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] [2025-02-06 06:37:23,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 06:37:23,982 INFO L204 MainTranslator]: Completed translation [2025-02-06 06:37:23,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23 WrapperNode [2025-02-06 06:37:23,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 06:37:23,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 06:37:23,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 06:37:23,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 06:37:23,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,051 INFO L138 Inliner]: procedures = 79, calls = 173, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 517 [2025-02-06 06:37:24,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 06:37:24,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 06:37:24,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 06:37:24,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 06:37:24,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,112 INFO L175 MemorySlicer]: Split 82 memory accesses to 7 slices as follows [2, 8, 3, 19, 13, 10, 27]. 33 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 0, 1, 10, 0]. The 32 writes are split as follows [0, 0, 1, 7, 2, 0, 22]. [2025-02-06 06:37:24,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,125 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 06:37:24,141 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 06:37:24,141 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 06:37:24,142 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 06:37:24,145 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (1/1) ... [2025-02-06 06:37:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 06:37:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 06:37:24,182 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) [2025-02-06 06:37:24,188 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 [2025-02-06 06:37:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 06:37:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 06:37:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 06:37:24,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-06 06:37:24,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-02-06 06:37:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2025-02-06 06:37:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-02-06 06:37:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2025-02-06 06:37:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-02-06 06:37:24,204 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 06:37:24,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-02-06 06:37:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-02-06 06:37:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-02-06 06:37:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 06:37:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-02-06 06:37:24,205 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 06:37:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-06 06:37:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 06:37:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2025-02-06 06:37:24,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2025-02-06 06:37:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 06:37:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 06:37:24,422 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 06:37:24,424 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 06:37:24,436 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-02-06 06:37:24,446 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: havoc #t~ret126.base, #t~ret126.offset; [2025-02-06 06:37:24,469 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3248: havoc #t~ret135.base, #t~ret135.offset; [2025-02-06 06:37:24,473 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3252: havoc #t~nondet136; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3242: havoc pci_bus_write_config_word_#t~nondet134#1; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3234: havoc pci_bus_read_config_word_#t~nondet132#1; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3226: havoc pci_assign_resource_#t~nondet130#1; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3218: havoc mtd_device_parse_register_#t~nondet128#1; [2025-02-06 06:37:28,812 INFO L1309 $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; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3196: havoc _raw_spin_lock_irqsave_#t~nondet125#1; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3238: havoc pci_bus_write_config_dword_#t~nondet133#1; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3205: havoc ioremap_nocache_#t~ret127#1.base, ioremap_nocache_#t~ret127#1.offset; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3230: havoc pci_bus_read_config_dword_#t~nondet131#1; [2025-02-06 06:37:28,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3222: havoc mtd_device_unregister_#t~nondet129#1; [2025-02-06 06:37:28,866 INFO L? ?]: Removed 261 outVars from TransFormulas that were not future-live. [2025-02-06 06:37:28,867 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 06:37:28,882 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 06:37:28,882 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 06:37:28,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:37:28 BoogieIcfgContainer [2025-02-06 06:37:28,882 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 06:37:28,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 06:37:28,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 06:37:28,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 06:37:28,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 06:37:23" (1/3) ... [2025-02-06 06:37:28,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d011bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:37:28, skipping insertion in model container [2025-02-06 06:37:28,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 06:37:23" (2/3) ... [2025-02-06 06:37:28,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d011bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 06:37:28, skipping insertion in model container [2025-02-06 06:37:28,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:37:28" (3/3) ... [2025-02-06 06:37:28,890 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2025-02-06 06:37:28,900 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 06:37:28,902 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. [2025-02-06 06:37:28,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 06:37:28,974 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;@544180c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 06:37:28,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 06:37:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 126 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) [2025-02-06 06:37:28,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 06:37:28,985 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:28,986 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] [2025-02-06 06:37:28,986 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:28,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 722261772, now seen corresponding path program 1 times [2025-02-06 06:37:28,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:28,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34081678] [2025-02-06 06:37:28,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:28,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:29,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 06:37:29,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 06:37:29,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:29,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 06:37:29,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34081678] [2025-02-06 06:37:29,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34081678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:29,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:29,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:37:29,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446339005] [2025-02-06 06:37:29,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:29,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:37:29,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:29,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:37:29,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:29,440 INFO L87 Difference]: Start difference. First operand has 164 states, 121 states have (on average 1.2727272727272727) internal successors, (154), 126 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) [2025-02-06 06:37:30,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:30,230 INFO L93 Difference]: Finished difference Result 341 states and 454 transitions. [2025-02-06 06:37:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:37:30,236 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 [2025-02-06 06:37:30,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:30,241 INFO L225 Difference]: With dead ends: 341 [2025-02-06 06:37:30,242 INFO L226 Difference]: Without dead ends: 169 [2025-02-06 06:37:30,251 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 [2025-02-06 06:37:30,254 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 181 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 06:37:30,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 236 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 06:37:30,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-02-06 06:37:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2025-02-06 06:37:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 130 states have (on average 1.2307692307692308) internal successors, (160), 130 states have internal predecessors, (160), 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) [2025-02-06 06:37:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 215 transitions. [2025-02-06 06:37:30,305 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 215 transitions. Word has length 20 [2025-02-06 06:37:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:30,306 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 215 transitions. [2025-02-06 06:37:30,306 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) [2025-02-06 06:37:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 215 transitions. [2025-02-06 06:37:30,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 06:37:30,308 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:30,308 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] [2025-02-06 06:37:30,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 06:37:30,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:30,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash -964238736, now seen corresponding path program 1 times [2025-02-06 06:37:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:30,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323776973] [2025-02-06 06:37:30,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:30,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:30,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 06:37:30,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 06:37:30,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:30,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 06:37:30,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:30,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323776973] [2025-02-06 06:37:30,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323776973] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:30,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:30,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 06:37:30,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536733459] [2025-02-06 06:37:30,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:30,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 06:37:30,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:30,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 06:37:30,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 06:37:30,496 INFO L87 Difference]: Start difference. First operand 169 states and 215 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) [2025-02-06 06:37:34,504 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 [] [2025-02-06 06:37:34,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:34,592 INFO L93 Difference]: Finished difference Result 343 states and 436 transitions. [2025-02-06 06:37:34,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 06:37:34,592 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 [2025-02-06 06:37:34,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:34,594 INFO L225 Difference]: With dead ends: 343 [2025-02-06 06:37:34,594 INFO L226 Difference]: Without dead ends: 177 [2025-02-06 06:37:34,594 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 [2025-02-06 06:37:34,595 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 6 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 558 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 [2025-02-06 06:37:34,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 558 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-02-06 06:37:34,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-02-06 06:37:34,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 172. [2025-02-06 06:37:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 133 states have internal predecessors, (163), 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) [2025-02-06 06:37:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 218 transitions. [2025-02-06 06:37:34,618 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 218 transitions. Word has length 53 [2025-02-06 06:37:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:34,618 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 218 transitions. [2025-02-06 06:37:34,619 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) [2025-02-06 06:37:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2025-02-06 06:37:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 06:37:34,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 06:37:34,621 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] [2025-02-06 06:37:34,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 06:37:34,621 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 06:37:34,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 06:37:34,622 INFO L85 PathProgramCache]: Analyzing trace with hash -935609585, now seen corresponding path program 1 times [2025-02-06 06:37:34,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 06:37:34,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489651622] [2025-02-06 06:37:34,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 06:37:34,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 06:37:34,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 06:37:34,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 06:37:34,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 06:37:34,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 06:37:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 06:37:34,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 06:37:34,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489651622] [2025-02-06 06:37:34,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489651622] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 06:37:34,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 06:37:34,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 06:37:34,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662452153] [2025-02-06 06:37:34,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 06:37:34,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 06:37:34,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 06:37:34,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 06:37:34,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 06:37:34,740 INFO L87 Difference]: Start difference. First operand 172 states and 218 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) [2025-02-06 06:37:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 06:37:34,756 INFO L93 Difference]: Finished difference Result 172 states and 218 transitions. [2025-02-06 06:37:34,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 06:37:34,757 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 [2025-02-06 06:37:34,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 06:37:34,758 INFO L225 Difference]: With dead ends: 172 [2025-02-06 06:37:34,758 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 06:37:34,759 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 [2025-02-06 06:37:34,759 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 171 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 189 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 [2025-02-06 06:37:34,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 189 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 06:37:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 06:37:34,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 06:37:34,760 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) [2025-02-06 06:37:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 06:37:34,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2025-02-06 06:37:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 06:37:34,760 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 06:37:34,760 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) [2025-02-06 06:37:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 06:37:34,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 06:37:34,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 06:37:34,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 06:37:34,766 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 06:37:34,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 06:37:35,120 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 06:37:35,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 06:37:35 BoogieIcfgContainer [2025-02-06 06:37:35,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 06:37:35,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 06:37:35,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 06:37:35,128 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 06:37:35,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 06:37:28" (3/4) ... [2025-02-06 06:37:35,130 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 06:37:35,136 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure iounmap [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure inl [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printk [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 06:37:35,137 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure outl [2025-02-06 06:37:35,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2025-02-06 06:37:35,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2025-02-06 06:37:35,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-06 06:37:35,147 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-06 06:37:35,148 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 06:37:35,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 06:37:35,269 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 06:37:35,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 06:37:35,270 INFO L158 Benchmark]: Toolchain (without parser) took 11980.87ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 110.8MB in the end (delta: 20.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2025-02-06 06:37:35,270 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 218.1MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:37:35,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.91ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 74.3MB in the end (delta: 56.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 06:37:35,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.26ms. Allocated memory is still 167.8MB. Free memory was 74.3MB in the beginning and 70.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 06:37:35,271 INFO L158 Benchmark]: Boogie Preprocessor took 86.28ms. Allocated memory is still 167.8MB. Free memory was 70.2MB in the beginning and 63.8MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 06:37:35,271 INFO L158 Benchmark]: IcfgBuilder took 4741.22ms. Allocated memory is still 167.8MB. Free memory was 63.8MB in the beginning and 89.8MB in the end (delta: -26.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2025-02-06 06:37:35,271 INFO L158 Benchmark]: TraceAbstraction took 6242.78ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 121.7MB in the end (delta: -32.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2025-02-06 06:37:35,271 INFO L158 Benchmark]: Witness Printer took 141.55ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 110.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 06:37:35,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 218.1MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.91ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 74.3MB in the end (delta: 56.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.26ms. Allocated memory is still 167.8MB. Free memory was 74.3MB in the beginning and 70.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.28ms. Allocated memory is still 167.8MB. Free memory was 70.2MB in the beginning and 63.8MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 4741.22ms. Allocated memory is still 167.8MB. Free memory was 63.8MB in the beginning and 89.8MB in the end (delta: -26.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 6242.78ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 121.7MB in the end (delta: -32.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 141.55ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 110.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. 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: 5.8s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 358 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 983 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 402 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 581 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 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, 0.3s 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! [2025-02-06 06:37:35,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE