./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 4fc63b2a 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_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/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_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU --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 f7499fb0a602cad5a89452cb4909afca0ed66fab767a3e9759a01bbb1727927b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:25,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:25,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:56:25,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:25,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:25,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:25,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:25,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:25,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:25,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:25,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:25,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:25,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:25,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:25,810 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:25,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:25,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:25,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:25,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:25,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:25,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:25,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:25,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:25,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:25,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:25,818 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:56:25,818 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:25,819 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:25,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:25,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:25,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:25,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:25,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:25,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:25,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:25,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:25,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:25,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:25,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:25,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:25,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:25,825 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:25,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:25,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:25,826 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_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7499fb0a602cad5a89452cb4909afca0ed66fab767a3e9759a01bbb1727927b [2024-10-31 21:56:26,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:26,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:26,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:26,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:26,170 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:26,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i Unable to find full path for "g++" [2024-10-31 21:56:28,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:28,866 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:28,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-10-31 21:56:28,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/data/5ac0fdebc/5dd026e2f4f643e3ba717c84498a2596/FLAG2256bfb39 [2024-10-31 21:56:29,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/data/5ac0fdebc/5dd026e2f4f643e3ba717c84498a2596 [2024-10-31 21:56:29,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:29,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:29,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:29,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:29,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:29,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:29" (1/1) ... [2024-10-31 21:56:29,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609b7f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:29, skipping insertion in model container [2024-10-31 21:56:29,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:29" (1/1) ... [2024-10-31 21:56:29,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:35,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:35,790 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:35,911 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] [2024-10-31 21:56:35,913 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] [2024-10-31 21:56:35,914 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] [2024-10-31 21:56:35,914 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] [2024-10-31 21:56:36,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5816] [2024-10-31 21:56:36,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:36,821 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:36,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36 WrapperNode [2024-10-31 21:56:36,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:36,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:36,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:36,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:36,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:36,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,003 INFO L138 Inliner]: procedures = 1353, calls = 1463, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 344 [2024-10-31 21:56:37,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:37,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:37,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:37,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:37,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,047 INFO L175 MemorySlicer]: Split 50 memory accesses to 7 slices as follows [2, 5, 1, 4, 4, 3, 31]. 62 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 2, 1, 4, 0, 3, 31]. The 3 writes are split as follows [0, 2, 0, 0, 1, 0, 0]. [2024-10-31 21:56:37,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:37,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:37,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:37,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:37,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (1/1) ... [2024-10-31 21:56:37,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:37,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:37,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:37,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:56:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:56:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:56:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:56:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:56:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:56:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-10-31 21:56:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:56:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-10-31 21:56:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 21:56:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:56:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:56:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:56:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:56:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:56:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:56:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 21:56:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:56:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:56:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:56:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:56:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:56:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:56:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:56:37,179 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 21:56:37,678 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:37,681 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:38,379 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 21:56:38,379 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:39,060 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:39,061 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:56:39,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:39 BoogieIcfgContainer [2024-10-31 21:56:39,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:39,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:39,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:39,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:39,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:29" (1/3) ... [2024-10-31 21:56:39,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f51d662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:39, skipping insertion in model container [2024-10-31 21:56:39,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:36" (2/3) ... [2024-10-31 21:56:39,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f51d662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:39, skipping insertion in model container [2024-10-31 21:56:39,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:39" (3/3) ... [2024-10-31 21:56:39,073 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-10-31 21:56:39,095 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:39,095 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-10-31 21:56:39,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f51d662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:56:39, skipping insertion in model container [2024-10-31 21:56:39,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:56:39,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:56:39,098 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:56:39,099 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:56:39,099 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:39" (3/3) ... [2024-10-31 21:56:39,102 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:56:39,106 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-10-31 21:56:39,107 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-10-31 21:56:39,115 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2024-10-31 21:56:39,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2024-10-31 21:56:39,116 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-10-31 21:56:39,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-31 21:56:39,117 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:56:39,118 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:56:39,245 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:56:39,246 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:56:39,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:56:39,248 INFO L158 Benchmark]: Toolchain (without parser) took 9905.30ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 94.1MB in the beginning and 125.7MB in the end (delta: -31.6MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,248 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 146.8MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:39,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7479.31ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 94.1MB in the beginning and 159.8MB in the end (delta: -65.7MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.71ms. Allocated memory is still 237.0MB. Free memory was 159.8MB in the beginning and 150.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,250 INFO L158 Benchmark]: Boogie Preprocessor took 87.60ms. Allocated memory is still 237.0MB. Free memory was 150.4MB in the beginning and 144.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,250 INFO L158 Benchmark]: RCFGBuilder took 1969.62ms. Allocated memory is still 237.0MB. Free memory was 144.1MB in the beginning and 135.1MB in the end (delta: 9.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,251 INFO L158 Benchmark]: TraceAbstraction took 32.36ms. Allocated memory is still 237.0MB. Free memory was 134.1MB in the beginning and 133.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,251 INFO L158 Benchmark]: Witness Printer took 148.47ms. Allocated memory is still 237.0MB. Free memory was 133.0MB in the beginning and 125.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 21:56:39,254 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 146.8MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7479.31ms. Allocated memory was 146.8MB in the beginning and 237.0MB in the end (delta: 90.2MB). Free memory was 94.1MB in the beginning and 159.8MB in the end (delta: -65.7MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.71ms. Allocated memory is still 237.0MB. Free memory was 159.8MB in the beginning and 150.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.60ms. Allocated memory is still 237.0MB. Free memory was 150.4MB in the beginning and 144.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1969.62ms. Allocated memory is still 237.0MB. Free memory was 144.1MB in the beginning and 135.1MB in the end (delta: 9.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * TraceAbstraction took 32.36ms. Allocated memory is still 237.0MB. Free memory was 134.1MB in the beginning and 133.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 148.47ms. Allocated memory is still 237.0MB. Free memory was 133.0MB in the beginning and 125.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 5816]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5816] * 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! [2024-10-31 21:56:39,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53873c64-8dac-4fa3-b1c8-28f73360098e/bin/uautomizer-verify-4GaUIPS5ZU/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