./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_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_read_nvram_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 f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 15:01:12,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 15:01:12,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 15:01:12,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 15:01:12,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 15:01:12,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 15:01:12,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 15:01:12,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 15:01:12,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 15:01:12,482 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 15:01:12,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 15:01:12,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 15:01:12,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 15:01:12,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 15:01:12,485 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 15:01:12,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 15:01:12,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 15:01:12,486 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 15:01:12,486 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 15:01:12,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 15:01:12,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 15:01:12,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 15:01:12,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 15:01:12,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 15:01:12,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 15:01:12,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 15:01:12,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 15:01:12,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 15:01:12,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:01:12,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 15:01:12,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 15:01:12,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 15:01:12,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 15:01:12,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 15:01:12,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 15:01:12,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 15:01:12,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 15:01:12,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 15:01:12,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-09 15:01:12,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 15:01:12,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 15:01:12,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 15:01:12,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 15:01:12,770 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 15:01:12,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-09 15:01:14,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 15:01:14,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 15:01:14,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-09 15:01:14,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b7ca8a2/e1c90b6892784f9695afe9283f5f1ce3/FLAGbfc9d4b86 [2024-11-09 15:01:14,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25b7ca8a2/e1c90b6892784f9695afe9283f5f1ce3 [2024-11-09 15:01:14,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 15:01:14,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 15:01:14,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 15:01:14,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 15:01:14,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 15:01:14,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49645efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:14, skipping insertion in model container [2024-11-09 15:01:14,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:14" (1/1) ... [2024-11-09 15:01:14,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 15:01:18,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:01:18,556 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 15:01:18,625 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 15:01:18,627 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 15:01:18,627 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 15:01:18,627 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 15:01:18,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-09 15:01:18,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 15:01:19,173 INFO L204 MainTranslator]: Completed translation [2024-11-09 15:01:19,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19 WrapperNode [2024-11-09 15:01:19,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 15:01:19,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 15:01:19,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 15:01:19,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 15:01:19,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,331 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 406 [2024-11-09 15:01:19,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 15:01:19,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 15:01:19,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 15:01:19,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 15:01:19,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,381 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 1, 9, 4, 2, 3, 31]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 0, 4, 2, 3, 31]. The 3 writes are split as follows [0, 0, 3, 0, 0, 0, 0]. [2024-11-09 15:01:19,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 15:01:19,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 15:01:19,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 15:01:19,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 15:01:19,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (1/1) ... [2024-11-09 15:01:19,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 15:01:19,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 15:01:19,475 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 15:01:19,483 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 15:01:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 15:01:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 15:01:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 15:01:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 15:01:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 15:01:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 15:01:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 15:01:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 15:01:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 15:01:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 15:01:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 15:01:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 15:01:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-09 15:01:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 15:01:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 15:01:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 15:01:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-09 15:01:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-09 15:01:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 15:01:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 15:01:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 15:01:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 15:01:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 15:01:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 15:01:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 15:01:19,535 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 15:01:19,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 15:01:19,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 15:01:20,443 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 15:01:20,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 15:01:20,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 15:01:20,813 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 15:01:20,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:20 BoogieIcfgContainer [2024-11-09 15:01:20,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 15:01:20,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 15:01:20,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 15:01:20,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 15:01:20,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:01:14" (1/3) ... [2024-11-09 15:01:20,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b1c14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:20, skipping insertion in model container [2024-11-09 15:01:20,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:19" (2/3) ... [2024-11-09 15:01:20,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b1c14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:20, skipping insertion in model container [2024-11-09 15:01:20,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:20" (3/3) ... [2024-11-09 15:01:20,826 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-09 15:01:20,840 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 15:01:20,841 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-09 15:01:20,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b1c14a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:01:20, skipping insertion in model container [2024-11-09 15:01:20,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 15:01:20,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 15:01:20,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 15:01:20,842 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 15:01:20,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:20" (3/3) ... [2024-11-09 15:01:20,845 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 15:01:20,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-09 15:01:20,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-09 15:01:20,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 166 nodes and edges [2024-11-09 15:01:20,853 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-09 15:01:20,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-09 15:01:20,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 15:01:20,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 15:01:20,854 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 15:01:21,017 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 15:01:21,017 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 15:01:21,017 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 15:01:21,019 INFO L158 Benchmark]: Toolchain (without parser) took 6431.97ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 139.4MB in the beginning and 178.2MB in the end (delta: -38.8MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,019 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 156.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4585.91ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 139.4MB in the beginning and 151.5MB in the end (delta: -12.1MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.45ms. Allocated memory is still 257.9MB. Free memory was 151.5MB in the beginning and 142.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,020 INFO L158 Benchmark]: Boogie Preprocessor took 104.66ms. Allocated memory is still 257.9MB. Free memory was 142.1MB in the beginning and 134.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,020 INFO L158 Benchmark]: RCFGBuilder took 1373.16ms. Allocated memory is still 257.9MB. Free memory was 134.8MB in the beginning and 116.0MB in the end (delta: 18.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,020 INFO L158 Benchmark]: TraceAbstraction took 26.57ms. Allocated memory is still 257.9MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,020 INFO L158 Benchmark]: Witness Printer took 175.33ms. Allocated memory is still 257.9MB. Free memory was 113.9MB in the beginning and 178.2MB in the end (delta: -64.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-09 15:01:21,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 156.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4585.91ms. Allocated memory was 176.2MB in the beginning and 257.9MB in the end (delta: 81.8MB). Free memory was 139.4MB in the beginning and 151.5MB in the end (delta: -12.1MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.45ms. Allocated memory is still 257.9MB. Free memory was 151.5MB in the beginning and 142.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.66ms. Allocated memory is still 257.9MB. Free memory was 142.1MB in the beginning and 134.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1373.16ms. Allocated memory is still 257.9MB. Free memory was 134.8MB in the beginning and 116.0MB in the end (delta: 18.8MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26.57ms. Allocated memory is still 257.9MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 175.33ms. Allocated memory is still 257.9MB. Free memory was 113.9MB in the beginning and 178.2MB in the end (delta: -64.3MB). Peak memory consumption was 14.2MB. 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 15:01:21,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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