./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:35:19,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:35:19,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 22:35:19,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:35:19,999 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:35:20,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:35:20,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:35:20,041 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:35:20,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:35:20,042 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:35:20,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:35:20,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:35:20,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:35:20,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:35:20,044 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:35:20,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:35:20,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:35:20,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:35:20,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:35:20,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:35:20,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:35:20,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:35:20,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:20,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:35:20,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:20,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:35:20,048 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 [2024-11-23 22:35:20,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:35:20,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:35:20,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:35:20,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:35:20,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:35:20,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-23 22:35:23,520 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/data/0b5a7643a/564c74202fae466881a3a1b45390108b/FLAG4efb76bff [2024-11-23 22:35:24,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:35:24,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-23 22:35:24,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/data/0b5a7643a/564c74202fae466881a3a1b45390108b/FLAG4efb76bff [2024-11-23 22:35:24,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/data/0b5a7643a/564c74202fae466881a3a1b45390108b [2024-11-23 22:35:24,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:35:24,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:35:24,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:24,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:35:24,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:35:24,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:24" (1/1) ... [2024-11-23 22:35:24,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfd34c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:24, skipping insertion in model container [2024-11-23 22:35:24,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:35:24" (1/1) ... [2024-11-23 22:35:24,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:35:29,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:29,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:35:30,069 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] [2024-11-23 22:35:30,071 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] [2024-11-23 22:35:30,071 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] [2024-11-23 22:35:30,074 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] [2024-11-23 22:35:30,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-23 22:35:30,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:35:30,744 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:35:30,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30 WrapperNode [2024-11-23 22:35:30,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:35:30,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:30,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:35:30,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:35:30,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:30,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:30,929 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 345 [2024-11-23 22:35:30,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:35:30,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:35:30,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:35:30,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:35:30,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:30,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:30,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:30,989 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 5, 1, 5, 4, 3, 31]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 1, 2, 4, 3, 31]. The 4 writes are split as follows [0, 2, 0, 2, 0, 0, 0]. [2024-11-23 22:35:30,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:30,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:35:31,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:35:31,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:35:31,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:35:31,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (1/1) ... [2024-11-23 22:35:31,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:35:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:35:31,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:35:31,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:35:31,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:35:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:35:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-23 22:35:31,109 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-23 22:35:31,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:35:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:35:31,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:35:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:35:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:35:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:35:31,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-23 22:35:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:35:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:35:31,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:35:31,116 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:35:31,665 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:35:31,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:35:32,336 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:35:32,336 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:35:32,954 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:35:32,954 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 22:35:32,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:32 BoogieIcfgContainer [2024-11-23 22:35:32,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:35:32,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:35:32,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:35:32,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:35:32,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:35:24" (1/3) ... [2024-11-23 22:35:32,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c3465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:32, skipping insertion in model container [2024-11-23 22:35:32,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:35:30" (2/3) ... [2024-11-23 22:35:32,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c3465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:35:32, skipping insertion in model container [2024-11-23 22:35:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:32" (3/3) ... [2024-11-23 22:35:32,966 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-23 22:35:32,983 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:35:32,987 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i that has 3 procedures, 26 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2024-11-23 22:35:32,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@381c3465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:35:32, skipping insertion in model container [2024-11-23 22:35:32,990 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:35:32,990 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:35:32,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:35:32,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:35:32,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:35:32" (3/3) ... [2024-11-23 22:35:32,995 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:35:32,998 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-23 22:35:33,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-23 22:35:33,010 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2024-11-23 22:35:33,013 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-23 22:35:33,014 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-23 22:35:33,014 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 22:35:33,014 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:35:33,015 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:35:33,115 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:35:33,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:35:33,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:35:33,117 INFO L158 Benchmark]: Toolchain (without parser) took 8730.51ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 108.6MB in the beginning and 198.4MB in the end (delta: -89.9MB). Peak memory consumption was 193.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:33,118 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:33,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6355.40ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 108.3MB in the beginning and 213.4MB in the end (delta: -105.1MB). Peak memory consumption was 180.8MB. Max. memory is 16.1GB. [2024-11-23 22:35:33,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.17ms. Allocated memory is still 427.8MB. Free memory was 213.4MB in the beginning and 204.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:33,119 INFO L158 Benchmark]: Boogie Preprocessor took 102.74ms. Allocated memory is still 427.8MB. Free memory was 204.2MB in the beginning and 198.2MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:33,120 INFO L158 Benchmark]: RCFGBuilder took 1919.87ms. Allocated memory is still 427.8MB. Free memory was 198.2MB in the beginning and 206.8MB in the end (delta: -8.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-11-23 22:35:33,120 INFO L158 Benchmark]: TraceAbstraction took 32.48ms. Allocated memory is still 427.8MB. Free memory was 206.8MB in the beginning and 204.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:35:33,121 INFO L158 Benchmark]: Witness Printer took 125.34ms. Allocated memory is still 427.8MB. Free memory was 204.4MB in the beginning and 198.4MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:35:33,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6355.40ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 108.3MB in the beginning and 213.4MB in the end (delta: -105.1MB). Peak memory consumption was 180.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.17ms. Allocated memory is still 427.8MB. Free memory was 213.4MB in the beginning and 204.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.74ms. Allocated memory is still 427.8MB. Free memory was 204.2MB in the beginning and 198.2MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1919.87ms. Allocated memory is still 427.8MB. Free memory was 198.2MB in the beginning and 206.8MB in the end (delta: -8.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 32.48ms. Allocated memory is still 427.8MB. Free memory was 206.8MB in the beginning and 204.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.34ms. Allocated memory is still 427.8MB. Free memory was 204.4MB in the beginning and 198.4MB in the end (delta: 6.0MB). 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! [2024-11-23 22:35:33,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c66e2190-4395-4302-80e6-fe967414cd43/bin/uautomizer-verify-LYvppIcaGC/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