./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/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_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:52,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:52,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:44:52,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:52,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:52,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:52,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:52,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:52,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:44:52,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:44:52,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:52,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:52,305 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:52,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:52,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:44:52,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:52,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:52,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:52,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:52,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:44:52,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:44:52,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:44:52,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:44:52,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:52,314 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:52,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:52,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:52,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:52,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:52,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:44:52,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:44:52,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:52,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:44:52,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:44:52,319 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:52,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:44:52,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:44:52,320 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:44:52,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:44:52,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:44:52,322 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:44:52,324 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2023-11-19 07:44:52,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:52,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:52,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:52,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:52,697 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:52,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-19 07:44:55,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:56,368 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:56,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-19 07:44:56,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/data/bb53f819f/ed3e8d4a730041f98856b1a94151a2a3/FLAGfd150ad65 [2023-11-19 07:44:56,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/data/bb53f819f/ed3e8d4a730041f98856b1a94151a2a3 [2023-11-19 07:44:56,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:56,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:56,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:56,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:56,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:56,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:56" (1/1) ... [2023-11-19 07:44:56,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fdaf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:56, skipping insertion in model container [2023-11-19 07:44:56,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:56" (1/1) ... [2023-11-19 07:44:56,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:01,264 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-19 07:45:02,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:02,197 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:02,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-19 07:45:02,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-19 07:45:02,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-19 07:45:02,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-19 07:45:02,481 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-19 07:45:02,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-19 07:45:02,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:03,197 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,197 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,197 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,197 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,197 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,198 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,198 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:45:03,205 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:03,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03 WrapperNode [2023-11-19 07:45:03,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:03,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:03,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:03,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:03,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,439 INFO L138 Inliner]: procedures = 1354, calls = 1453, calls flagged for inlining = 348, calls inlined = 20, statements flattened = 325 [2023-11-19 07:45:03,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:03,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:03,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:03,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:03,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:03,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:03,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:03,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:03,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (1/1) ... [2023-11-19 07:45:03,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:03,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:03,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:03,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-19 07:45:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-19 07:45:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:45:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:45:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:45:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-19 07:45:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-19 07:45:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:45:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:45:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:45:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:45:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:45:03,637 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:45:04,200 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:04,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:45:04,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:45:04,720 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:45:04,721 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:45:04,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:04 BoogieIcfgContainer [2023-11-19 07:45:04,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:45:04,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:45:04,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:45:04,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:45:04,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:44:56" (1/3) ... [2023-11-19 07:45:04,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a2cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:04, skipping insertion in model container [2023-11-19 07:45:04,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:03" (2/3) ... [2023-11-19 07:45:04,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a2cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:04, skipping insertion in model container [2023-11-19 07:45:04,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:04" (3/3) ... [2023-11-19 07:45:04,736 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-19 07:45:04,746 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:45:04,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:45:04,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-19 07:45:04,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a2cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:45:04, skipping insertion in model container [2023-11-19 07:45:04,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:45:04,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:45:04,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:45:04,760 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:45:04,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:04" (3/3) ... [2023-11-19 07:45:04,763 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:45:04,766 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2023-11-19 07:45:04,767 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-19 07:45:04,774 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-19 07:45:04,775 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 07:45:04,775 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 07:45:04,776 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 07:45:04,777 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:45:04,888 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:45:04,889 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:45:04,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:45:04,891 INFO L158 Benchmark]: Toolchain (without parser) took 8451.31ms. Allocated memory was 121.6MB in the beginning and 201.3MB in the end (delta: 79.7MB). Free memory was 65.3MB in the beginning and 94.5MB in the end (delta: -29.2MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,891 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:04,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6765.42ms. Allocated memory was 121.6MB in the beginning and 201.3MB in the end (delta: 79.7MB). Free memory was 65.2MB in the beginning and 84.7MB in the end (delta: -19.5MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 237.14ms. Allocated memory is still 201.3MB. Free memory was 84.7MB in the beginning and 76.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,893 INFO L158 Benchmark]: Boogie Preprocessor took 60.86ms. Allocated memory is still 201.3MB. Free memory was 75.3MB in the beginning and 71.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,893 INFO L158 Benchmark]: RCFGBuilder took 1220.70ms. Allocated memory is still 201.3MB. Free memory was 71.1MB in the beginning and 104.0MB in the end (delta: -32.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,893 INFO L158 Benchmark]: TraceAbstraction took 29.72ms. Allocated memory is still 201.3MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,894 INFO L158 Benchmark]: Witness Printer took 129.64ms. Allocated memory is still 201.3MB. Free memory was 101.9MB in the beginning and 94.5MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:45:04,897 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6765.42ms. Allocated memory was 121.6MB in the beginning and 201.3MB in the end (delta: 79.7MB). Free memory was 65.2MB in the beginning and 84.7MB in the end (delta: -19.5MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 237.14ms. Allocated memory is still 201.3MB. Free memory was 84.7MB in the beginning and 76.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.86ms. Allocated memory is still 201.3MB. Free memory was 75.3MB in the beginning and 71.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1220.70ms. Allocated memory is still 201.3MB. Free memory was 71.1MB in the beginning and 104.0MB in the end (delta: -32.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29.72ms. Allocated memory is still 201.3MB. Free memory was 104.0MB in the beginning and 101.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 129.64ms. Allocated memory is still 201.3MB. Free memory was 101.9MB in the beginning and 94.5MB 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: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * 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! [2023-11-19 07:45:04,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b4cd1a-b7b4-4ae6-87b2-2c21e37bd9fb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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