./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:01:05,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:01:05,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:01:05,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:01:05,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:01:05,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:01:05,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:01:05,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:01:05,845 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:01:05,846 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:01:05,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:01:05,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:01:05,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:01:05,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:01:05,848 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:01:05,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:01:05,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:01:05,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:01:05,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:01:05,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:01:05,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:01:05,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:01:05,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:01:05,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:01:05,853 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:01:05,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:01:05,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:01:05,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:01:05,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:01:05,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:01:05,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:01:05,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:01:05,855 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:01:05,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:01:05,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:01:05,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:01:05,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:01:05,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:01:05,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:01:05,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:01:05,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:01:05,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:01:05,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:01:05,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:01:05,859 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 [2024-11-09 15:01:06,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:01:06,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:01:06,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:01:06,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:01:06,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:01:06,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-09 15:01:07,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:01:08,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:01:08,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-09 15:01:08,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd82e844c/643b8cd125354ead90805905c80b293e/FLAGa67421752 [2024-11-09 15:01:08,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd82e844c/643b8cd125354ead90805905c80b293e [2024-11-09 15:01:08,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:01:08,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:01:08,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:01:08,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:01:08,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:01:08,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:08" (1/1) ... [2024-11-09 15:01:08,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f374433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:08, skipping insertion in model container [2024-11-09 15:01:08,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:08" (1/1) ... [2024-11-09 15:01:08,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:01:13,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:01:13,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:01:13,874 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] [2024-11-09 15:01:13,876 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] [2024-11-09 15:01:13,877 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] [2024-11-09 15:01:13,877 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] [2024-11-09 15:01:14,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-09 15:01:14,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:01:14,564 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:01:14,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14 WrapperNode [2024-11-09 15:01:14,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:01:14,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:01:14,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:01:14,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:01:14,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,731 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 347 [2024-11-09 15:01:14,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:01:14,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:01:14,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:01:14,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:01:14,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,762 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,788 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 1, 5, 4, 31, 3, 5]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 0, 4, 31, 3, 2]. The 4 writes are split as follows [0, 0, 2, 0, 0, 0, 2]. [2024-11-09 15:01:14,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:01:14,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:01:14,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:01:14,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:01:14,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:01:14,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:01:14,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 15:01:14,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 15:01:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:01:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:01:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 15:01:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 15:01:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 15:01:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 15:01:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 15:01:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 15:01:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-09 15:01:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-09 15:01:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:01:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:01:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:01:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:01:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:01:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 15:01:14,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 15:01:14,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 15:01:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 15:01:14,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-09 15:01:14,933 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 15:01:14,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 15:01:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 15:01:14,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 15:01:14,935 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 15:01:15,329 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:01:15,331 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:01:15,731 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:01:15,731 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:01:16,228 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:01:16,230 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 15:01:16,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:16 BoogieIcfgContainer [2024-11-09 15:01:16,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:01:16,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:01:16,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:01:16,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:01:16,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:01:08" (1/3) ... [2024-11-09 15:01:16,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291f5f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:16, skipping insertion in model container [2024-11-09 15:01:16,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14" (2/3) ... [2024-11-09 15:01:16,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291f5f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:16, skipping insertion in model container [2024-11-09 15:01:16,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:16" (3/3) ... [2024-11-09 15:01:16,239 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-09 15:01:16,258 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:01:16,258 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-09 15:01:16,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291f5f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:01:16, skipping insertion in model container [2024-11-09 15:01:16,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 15:01:16,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:01:16,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:01:16,260 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:01:16,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:16" (3/3) ... [2024-11-09 15:01:16,263 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 15:01:16,266 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-09 15:01:16,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-09 15:01:16,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 163 nodes and edges [2024-11-09 15:01:16,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-09 15:01:16,277 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-09 15:01:16,278 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 15:01:16,278 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 15:01:16,278 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 15:01:16,395 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 15:01:16,396 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 15:01:16,396 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:01:16,398 INFO L158 Benchmark]: Toolchain (without parser) took 8142.97ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 105.9MB in the beginning and 94.1MB in the end (delta: 11.8MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,398 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 167.8MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 15:01:16,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6309.88ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 105.9MB in the beginning and 143.8MB in the end (delta: -37.8MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.50ms. Allocated memory is still 218.1MB. Free memory was 143.8MB in the beginning and 134.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,399 INFO L158 Benchmark]: Boogie Preprocessor took 102.97ms. Allocated memory is still 218.1MB. Free memory was 134.4MB in the beginning and 128.1MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,399 INFO L158 Benchmark]: RCFGBuilder took 1390.27ms. Allocated memory is still 218.1MB. Free memory was 128.1MB in the beginning and 103.5MB in the end (delta: 24.5MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,399 INFO L158 Benchmark]: TraceAbstraction took 27.05ms. Allocated memory is still 218.1MB. Free memory was 103.5MB in the beginning and 101.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,400 INFO L158 Benchmark]: Witness Printer took 136.25ms. Allocated memory is still 218.1MB. Free memory was 101.2MB in the beginning and 94.1MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 15:01:16,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 167.8MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6309.88ms. Allocated memory was 167.8MB in the beginning and 218.1MB in the end (delta: 50.3MB). Free memory was 105.9MB in the beginning and 143.8MB in the end (delta: -37.8MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.50ms. Allocated memory is still 218.1MB. Free memory was 143.8MB in the beginning and 134.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.97ms. Allocated memory is still 218.1MB. Free memory was 134.4MB in the beginning and 128.1MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1390.27ms. Allocated memory is still 218.1MB. Free memory was 128.1MB in the beginning and 103.5MB in the end (delta: 24.5MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27.05ms. Allocated memory is still 218.1MB. Free memory was 103.5MB in the beginning and 101.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 136.25ms. Allocated memory is still 218.1MB. Free memory was 101.2MB in the beginning and 94.1MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. 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! [2024-11-09 15:01:16,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE