./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 023d838f 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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:14:38,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:14:38,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:14:38,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:14:38,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:14:38,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:14:38,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:14:38,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:14:38,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:14:38,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:14:38,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:14:38,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:14:38,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:14:38,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:14:38,576 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:14:38,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:14:38,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:14:38,577 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:14:38,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:14:38,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:14:38,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:14:38,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:14:38,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:14:38,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:14:38,583 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:14:38,583 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:14:38,584 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:14:38,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:14:38,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:14:38,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:14:38,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:14:38,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:14:38,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:14:38,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:14:38,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:14:38,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:14:38,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:14:38,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:14:38,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:14:38,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:14:38,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:14:38,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:14:38,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:14:38,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:14:38,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-10 22:14:38,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:14:38,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:14:38,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:14:38,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:14:38,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:14:38,899 INFO L431 ainManager$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 [2024-11-10 22:14:40,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:14:40,815 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:14:40,816 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-10 22:14:40,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77129c2ff/893eaeaa1261484790743c07c17f1287/FLAG731eccd71 [2024-11-10 22:14:40,937 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77129c2ff/893eaeaa1261484790743c07c17f1287 [2024-11-10 22:14:40,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:14:40,941 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:14:40,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:14:40,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:14:40,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:14:40,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:14:40" (1/1) ... [2024-11-10 22:14:40,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3370ee21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:40, skipping insertion in model container [2024-11-10 22:14:40,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:14:40" (1/1) ... [2024-11-10 22:14:41,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:14:44,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:14:44,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:14:44,915 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] [2024-11-10 22:14:44,917 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] [2024-11-10 22:14:44,918 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] [2024-11-10 22:14:44,918 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] [2024-11-10 22:14:45,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-10 22:14:45,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:14:45,663 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:14:45,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45 WrapperNode [2024-11-10 22:14:45,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:14:45,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:14:45,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:14:45,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:14:45,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,862 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 404 [2024-11-10 22:14:45,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:14:45,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:14:45,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:14:45,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:14:45,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,925 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 9, 1, 4, 2, 3, 31]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 1, 4, 2, 3, 31]. The 3 writes are split as follows [0, 3, 0, 0, 0, 0, 0]. [2024-11-10 22:14:45,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:45,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:46,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:14:46,001 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:14:46,005 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:14:46,005 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:14:46,006 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (1/1) ... [2024-11-10 22:14:46,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:14:46,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:14:46,042 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) [2024-11-10 22:14:46,048 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 [2024-11-10 22:14:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:14:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 22:14:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:14:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:14:46,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:14:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:14:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 22:14:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 22:14:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 22:14:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 22:14:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 22:14:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 22:14:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-10 22:14:46,098 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-10 22:14:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:14:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:14:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 22:14:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 22:14:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 22:14:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 22:14:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 22:14:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 22:14:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 22:14:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-10 22:14:46,100 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 22:14:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 22:14:46,103 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:14:46,545 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:14:46,547 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:14:46,723 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6551: havoc access_ok_#t~nondet1065#1; [2024-11-10 22:14:46,723 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6543: havoc __put_user_#t~nondet1063#1; [2024-11-10 22:14:46,724 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6636: havoc nvram_read_byte_#t~nondet1081#1; [2024-11-10 22:14:46,847 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6551: havoc access_ok_#t~nondet1065#1; [2024-11-10 22:14:46,847 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6535: havoc __get_user_#t~nondet1061#1; [2024-11-10 22:14:47,096 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6632: havoc nvram_get_size_#t~nondet1080#1; [2024-11-10 22:14:47,097 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6650: havoc printk_#t~nondet1083#1; [2024-11-10 22:14:47,097 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6624: havoc misc_register_#t~nondet1078#1; [2024-11-10 22:14:47,099 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:14:47,099 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:14:47,635 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:14:47,635 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:14:47,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:14:47 BoogieIcfgContainer [2024-11-10 22:14:47,637 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:14:47,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:14:47,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:14:47,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:14:47,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:14:40" (1/3) ... [2024-11-10 22:14:47,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef3a709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:14:47, skipping insertion in model container [2024-11-10 22:14:47,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:14:45" (2/3) ... [2024-11-10 22:14:47,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef3a709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:14:47, skipping insertion in model container [2024-11-10 22:14:47,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:14:47" (3/3) ... [2024-11-10 22:14:47,645 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-10 22:14:47,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:14:47,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-10 22:14:47,664 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef3a709 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:14:47, skipping insertion in model container [2024-11-10 22:14:47,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:14:47,665 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:14:47,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:14:47,665 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:14:47,666 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:14:47" (3/3) ... [2024-11-10 22:14:47,668 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:14:47,671 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-10 22:14:47,671 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-10 22:14:47,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-10 22:14:47,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-10 22:14:47,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-10 22:14:47,683 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 22:14:47,683 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 22:14:47,683 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 22:14:47,795 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:14:47,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:14:47,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:14:47,799 INFO L158 Benchmark]: Toolchain (without parser) took 6857.40ms. Allocated memory was 157.3MB in the beginning and 312.5MB in the end (delta: 155.2MB). Free memory was 97.4MB in the beginning and 134.4MB in the end (delta: -37.0MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,800 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 157.3MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:14:47,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4720.36ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.41ms. Allocated memory is still 237.0MB. Free memory was 95.4MB in the beginning and 86.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,801 INFO L158 Benchmark]: Boogie Preprocessor took 136.74ms. Allocated memory is still 237.0MB. Free memory was 86.0MB in the beginning and 168.6MB in the end (delta: -82.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,801 INFO L158 Benchmark]: IcfgBuilder took 1635.36ms. Allocated memory was 237.0MB in the beginning and 312.5MB in the end (delta: 75.5MB). Free memory was 167.5MB in the beginning and 143.8MB in the end (delta: 23.7MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,802 INFO L158 Benchmark]: TraceAbstraction took 25.62ms. Allocated memory is still 312.5MB. Free memory was 143.8MB in the beginning and 141.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,803 INFO L158 Benchmark]: Witness Printer took 132.75ms. Allocated memory is still 312.5MB. Free memory was 141.7MB in the beginning and 134.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 22:14:47,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 157.3MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4720.36ms. Allocated memory was 157.3MB in the beginning and 237.0MB in the end (delta: 79.7MB). Free memory was 97.1MB in the beginning and 95.4MB in the end (delta: 1.7MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.41ms. Allocated memory is still 237.0MB. Free memory was 95.4MB in the beginning and 86.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.74ms. Allocated memory is still 237.0MB. Free memory was 86.0MB in the beginning and 168.6MB in the end (delta: -82.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * IcfgBuilder took 1635.36ms. Allocated memory was 237.0MB in the beginning and 312.5MB in the end (delta: 75.5MB). Free memory was 167.5MB in the beginning and 143.8MB in the end (delta: 23.7MB). Peak memory consumption was 112.8MB. Max. memory is 16.1GB. * TraceAbstraction took 25.62ms. Allocated memory is still 312.5MB. Free memory was 143.8MB in the beginning and 141.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 132.75ms. Allocated memory is still 312.5MB. Free memory was 141.7MB in the beginning and 134.4MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. 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! [2024-11-10 22:14:47,830 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