./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/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_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563 [2024-11-08 18:04:45,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:04:45,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 18:04:45,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:04:45,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:04:45,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:04:45,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:04:45,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:04:45,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:04:45,513 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:04:45,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:04:45,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:04:45,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:04:45,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:04:45,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:04:45,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:04:45,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:04:45,518 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:04:45,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:04:45,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:04:45,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:04:45,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:04:45,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:04:45,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:04:45,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:04:45,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:04:45,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:04:45,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:04:45,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:04:45,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:04:45,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:04:45,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:04:45,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:04:45,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:04:45,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:04:45,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:04:45,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:04:45,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:04:45,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:04:45,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:04:45,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:04:45,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:04:45,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:04:45,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:04:45,533 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_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 [2024-11-08 18:04:45,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:04:45,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:04:45,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:04:45,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:04:45,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:04:45,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i Unable to find full path for "g++" [2024-11-08 18:04:47,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:04:48,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:04:48,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-08 18:04:48,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/data/1b13ac738/d5541904a36a4d939d8d52d9f2056f2f/FLAGe48bd41b5 [2024-11-08 18:04:49,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/data/1b13ac738/d5541904a36a4d939d8d52d9f2056f2f [2024-11-08 18:04:49,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:04:49,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:04:49,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:04:49,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:04:49,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:04:49,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:04:49" (1/1) ... [2024-11-08 18:04:49,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb31702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:49, skipping insertion in model container [2024-11-08 18:04:49,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:04:49" (1/1) ... [2024-11-08 18:04:49,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:04:55,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:04:55,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:04:56,147 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] [2024-11-08 18:04:56,149 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] [2024-11-08 18:04:56,149 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] [2024-11-08 18:04:56,150 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] [2024-11-08 18:04:56,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-08 18:04:56,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:04:57,178 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:04:57,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57 WrapperNode [2024-11-08 18:04:57,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:04:57,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:04:57,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:04:57,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:04:57,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,391 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 347 [2024-11-08 18:04:57,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:04:57,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:04:57,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:04:57,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:04:57,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,460 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 5, 1, 4, 31, 3, 5]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 0, 1, 4, 31, 3, 2]. The 4 writes are split as follows [0, 2, 0, 0, 0, 0, 2]. [2024-11-08 18:04:57,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:04:57,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:04:57,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:04:57,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:04:57,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (1/1) ... [2024-11-08 18:04:57,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:04:57,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:04:57,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:04:57,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:04:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:04:57,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:04:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 18:04:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 18:04:57,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 18:04:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 18:04:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 18:04:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 18:04:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 18:04:57,603 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 18:04:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:04:57,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:04:57,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:04:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:04:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:04:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 18:04:57,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 18:04:57,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-08 18:04:57,606 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 18:04:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 18:04:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 18:04:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 18:04:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 18:04:57,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:04:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:04:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:04:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 18:04:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 18:04:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 18:04:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 18:04:57,611 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:04:58,061 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:04:58,064 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:04:58,663 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:04:58,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:04:59,333 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:04:59,333 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:04:59,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:04:59 BoogieIcfgContainer [2024-11-08 18:04:59,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:04:59,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:04:59,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:04:59,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:04:59,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:04:49" (1/3) ... [2024-11-08 18:04:59,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22344102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:04:59, skipping insertion in model container [2024-11-08 18:04:59,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:04:57" (2/3) ... [2024-11-08 18:04:59,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22344102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:04:59, skipping insertion in model container [2024-11-08 18:04:59,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:04:59" (3/3) ... [2024-11-08 18:04:59,345 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-08 18:04:59,364 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:04:59,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-08 18:04:59,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22344102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:04:59, skipping insertion in model container [2024-11-08 18:04:59,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:04:59,366 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:04:59,366 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:04:59,366 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:04:59,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:04:59" (3/3) ... [2024-11-08 18:04:59,370 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:04:59,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-08 18:04:59,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 18:04:59,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 163 nodes and edges [2024-11-08 18:04:59,384 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-08 18:04:59,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-08 18:04:59,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 18:04:59,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:04:59,386 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:04:59,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:04:59,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:04:59,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:04:59,495 INFO L158 Benchmark]: Toolchain (without parser) took 10413.54ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 109.8MB in the beginning and 127.5MB in the end (delta: -17.6MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,495 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 86.3MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:04:59,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8095.18ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 109.8MB in the beginning and 99.8MB in the end (delta: 10.0MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.95ms. Allocated memory is still 218.1MB. Free memory was 99.8MB in the beginning and 90.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,501 INFO L158 Benchmark]: Boogie Preprocessor took 114.49ms. Allocated memory is still 218.1MB. Free memory was 90.4MB in the beginning and 84.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,502 INFO L158 Benchmark]: RCFGBuilder took 1823.26ms. Allocated memory is still 218.1MB. Free memory was 84.1MB in the beginning and 136.9MB in the end (delta: -52.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,502 INFO L158 Benchmark]: TraceAbstraction took 28.24ms. Allocated memory is still 218.1MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,502 INFO L158 Benchmark]: Witness Printer took 128.04ms. Allocated memory is still 218.1MB. Free memory was 134.8MB in the beginning and 127.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:04:59,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 86.3MB in the beginning and 86.3MB in the end (delta: 28.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8095.18ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 109.8MB in the beginning and 99.8MB in the end (delta: 10.0MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.95ms. Allocated memory is still 218.1MB. Free memory was 99.8MB in the beginning and 90.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.49ms. Allocated memory is still 218.1MB. Free memory was 90.4MB in the beginning and 84.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1823.26ms. Allocated memory is still 218.1MB. Free memory was 84.1MB in the beginning and 136.9MB in the end (delta: -52.8MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28.24ms. Allocated memory is still 218.1MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 128.04ms. Allocated memory is still 218.1MB. Free memory was 134.8MB in the beginning and 127.5MB in the end (delta: 7.3MB). 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! [2024-11-08 18:04:59,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7024fae-660d-4fb7-8def-7590b6826043/bin/uautomizer-verify-jihMAELWvX/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