./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:41:29,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:41:29,514 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:41:29,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:41:29,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:41:29,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:41:29,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:41:29,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:41:29,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:41:29,543 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:41:29,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:41:29,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:41:29,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:41:29,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:41:29,544 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:41:29,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:41:29,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:41:29,544 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:41:29,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:41:29,545 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:41:29,546 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:41:29,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:41:29,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:41:29,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:41:29,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:41:29,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:41:29,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:41:29,550 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 ! overflow) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 [2025-01-10 06:41:29,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:41:29,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:41:29,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:41:29,815 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:41:29,815 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:41:29,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2025-01-10 06:41:31,061 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6ccb93ef/6e4f983851714905b32ba559a3906ac4/FLAGc72fde7f9 [2025-01-10 06:41:31,582 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:41:31,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2025-01-10 06:41:31,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6ccb93ef/6e4f983851714905b32ba559a3906ac4/FLAGc72fde7f9 [2025-01-10 06:41:31,638 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a6ccb93ef/6e4f983851714905b32ba559a3906ac4 [2025-01-10 06:41:31,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:41:31,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:41:31,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:41:31,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:41:31,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:41:31,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:41:31" (1/1) ... [2025-01-10 06:41:31,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233b9047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:31, skipping insertion in model container [2025-01-10 06:41:31,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:41:31" (1/1) ... [2025-01-10 06:41:31,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:41:34,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:41:34,987 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:41:35,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-10 06:41:35,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-10 06:41:35,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-10 06:41:35,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-01-10 06:41:35,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-01-10 06:41:35,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:41:35,572 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:41:35,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35 WrapperNode [2025-01-10 06:41:35,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:41:35,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:41:35,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:41:35,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:41:35,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,712 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 343 [2025-01-10 06:41:35,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:41:35,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:41:35,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:41:35,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:41:35,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,754 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 1, 5, 4, 5, 3, 31]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 0, 4, 2, 3, 31]. The 4 writes are split as follows [0, 0, 2, 0, 2, 0, 0]. [2025-01-10 06:41:35,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,785 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:41:35,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:41:35,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:41:35,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:41:35,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (1/1) ... [2025-01-10 06:41:35,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:41:35,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:41:35,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:41:35,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:41:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2025-01-10 06:41:35,869 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:41:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:41:35,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:41:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 06:41:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 06:41:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 06:41:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-10 06:41:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-10 06:41:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2025-01-10 06:41:35,872 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-10 06:41:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-10 06:41:35,875 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:41:36,246 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:41:36,248 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:41:36,610 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:41:36,610 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:41:37,047 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:41:37,048 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:41:37,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:41:37 BoogieIcfgContainer [2025-01-10 06:41:37,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:41:37,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:41:37,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:41:37,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:41:37,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:41:31" (1/3) ... [2025-01-10 06:41:37,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b0c2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:41:37, skipping insertion in model container [2025-01-10 06:41:37,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:41:35" (2/3) ... [2025-01-10 06:41:37,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b0c2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:41:37, skipping insertion in model container [2025-01-10 06:41:37,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:41:37" (3/3) ... [2025-01-10 06:41:37,059 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2025-01-10 06:41:37,077 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:41:37,082 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i that has 3 procedures, 26 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2025-01-10 06:41:37,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38b0c2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:41:37, skipping insertion in model container [2025-01-10 06:41:37,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:41:37,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:41:37,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:41:37,084 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:41:37,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:41:37" (3/3) ... [2025-01-10 06:41:37,087 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:41:37,089 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2025-01-10 06:41:37,090 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2025-01-10 06:41:37,099 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2025-01-10 06:41:37,100 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2025-01-10 06:41:37,104 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2025-01-10 06:41:37,104 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-10 06:41:37,104 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 06:41:37,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 06:41:37,213 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:41:37,214 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:41:37,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:41:37,215 INFO L158 Benchmark]: Toolchain (without parser) took 5573.31ms. Allocated memory was 167.8MB in the beginning and 327.2MB in the end (delta: 159.4MB). Free memory was 113.6MB in the beginning and 240.6MB in the end (delta: -127.0MB). Peak memory consumption was 205.0MB. Max. memory is 16.1GB. [2025-01-10 06:41:37,216 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:41:37,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3931.78ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 47.1MB in the end (delta: 66.6MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. [2025-01-10 06:41:37,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.06ms. Allocated memory is still 167.8MB. Free memory was 47.1MB in the beginning and 38.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:41:37,217 INFO L158 Benchmark]: Boogie Preprocessor took 102.43ms. Allocated memory was 167.8MB in the beginning and 327.2MB in the end (delta: 159.4MB). Free memory was 38.7MB in the beginning and 256.4MB in the end (delta: -217.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2025-01-10 06:41:37,217 INFO L158 Benchmark]: RCFGBuilder took 1232.88ms. Allocated memory is still 327.2MB. Free memory was 256.4MB in the beginning and 88.4MB in the end (delta: 168.0MB). Peak memory consumption was 167.8MB. Max. memory is 16.1GB. [2025-01-10 06:41:37,217 INFO L158 Benchmark]: TraceAbstraction took 31.97ms. Allocated memory is still 327.2MB. Free memory was 87.2MB in the beginning and 86.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:41:37,217 INFO L158 Benchmark]: Witness Printer took 130.31ms. Allocated memory is still 327.2MB. Free memory was 86.0MB in the beginning and 240.6MB in the end (delta: -154.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2025-01-10 06:41:37,219 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3931.78ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 47.1MB in the end (delta: 66.6MB). Peak memory consumption was 123.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.06ms. Allocated memory is still 167.8MB. Free memory was 47.1MB in the beginning and 38.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.43ms. Allocated memory was 167.8MB in the beginning and 327.2MB in the end (delta: 159.4MB). Free memory was 38.7MB in the beginning and 256.4MB in the end (delta: -217.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1232.88ms. Allocated memory is still 327.2MB. Free memory was 256.4MB in the beginning and 88.4MB in the end (delta: 168.0MB). Peak memory consumption was 167.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31.97ms. Allocated memory is still 327.2MB. Free memory was 87.2MB in the beginning and 86.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 130.31ms. Allocated memory is still 327.2MB. Free memory was 86.0MB in the beginning and 240.6MB in the end (delta: -154.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2025-01-10 06:41:37,235 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