./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/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_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/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_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/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 e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:00:48,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:00:48,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 19:00:48,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:00:48,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:00:48,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:00:48,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:00:48,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:00:48,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:00:48,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:00:48,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:00:48,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:00:48,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:00:48,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:00:48,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:00:48,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:00:48,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:00:48,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:00:48,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:00:48,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:00:48,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:00:48,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:00:48,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:00:48,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:00:48,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:00:48,772 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:00:48,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:00:48,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:00:48,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:00:48,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:00:48,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:00:48,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:00:48,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:00:48,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:00:48,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:00:48,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:00:48,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:00:48,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:00:48,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:00:48,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:00:48,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:00:48,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:00:48,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:00:48,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:00:48,779 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_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 [2024-11-08 19:00:49,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:00:49,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:00:49,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:00:49,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:00:49,149 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:00:49,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i Unable to find full path for "g++" [2024-11-08 19:00:51,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:00:51,691 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:00:51,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-08 19:00:51,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/data/227dd72e1/bea0241fc23b4e9b91a9a49e32751c25/FLAG19f456ade [2024-11-08 19:00:51,752 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/data/227dd72e1/bea0241fc23b4e9b91a9a49e32751c25 [2024-11-08 19:00:51,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:00:51,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:00:51,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:00:51,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:00:51,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:00:51,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:00:51" (1/1) ... [2024-11-08 19:00:51,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22dd8480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:51, skipping insertion in model container [2024-11-08 19:00:51,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:00:51" (1/1) ... [2024-11-08 19:00:51,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:00:58,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:00:58,224 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:00:58,371 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 19:00:58,374 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 19:00:58,374 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 19:00:58,375 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 19:00:58,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-08 19:00:58,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:00:59,245 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:00:59,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59 WrapperNode [2024-11-08 19:00:59,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:00:59,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:00:59,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:00:59,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:00:59,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,457 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 346 [2024-11-08 19:00:59,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:00:59,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:00:59,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:00:59,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:00:59,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,531 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 1, 31, 4, 3, 5, 5]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 31, 4, 3, 0, 2]. The 4 writes are split as follows [0, 0, 0, 0, 0, 2, 2]. [2024-11-08 19:00:59,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:00:59,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:00:59,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:00:59,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:00:59,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (1/1) ... [2024-11-08 19:00:59,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:00:59,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:00:59,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:00:59,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:00:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:00:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:00:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:00:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:00:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:00:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 19:00:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 19:00:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:00:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 19:00:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 19:00:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:00:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:00:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:00:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:00:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:00:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:00:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:00:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:00:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 19:00:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 19:00:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:00:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:00:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-08 19:00:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-08 19:00:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-08 19:00:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-08 19:00:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-08 19:00:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-08 19:00:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-08 19:00:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-08 19:00:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-08 19:00:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:00:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:00:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:00:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:00:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:00:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 19:00:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 19:00:59,706 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 19:01:00,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:01:00,139 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:01:00,836 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:01:00,836 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:01:01,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:01:01,532 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:01:01,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:01 BoogieIcfgContainer [2024-11-08 19:01:01,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:01:01,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:01:01,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:01:01,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:01:01,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:00:51" (1/3) ... [2024-11-08 19:01:01,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b548d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:01:01, skipping insertion in model container [2024-11-08 19:01:01,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:00:59" (2/3) ... [2024-11-08 19:01:01,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b548d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:01:01, skipping insertion in model container [2024-11-08 19:01:01,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:01" (3/3) ... [2024-11-08 19:01:01,545 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-08 19:01:01,568 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:01:01,568 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-08 19:01:01,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b548d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:01:01, skipping insertion in model container [2024-11-08 19:01:01,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:01:01,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:01:01,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:01:01,572 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:01:01,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:01" (3/3) ... [2024-11-08 19:01:01,577 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:01:01,581 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-08 19:01:01,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-08 19:01:01,592 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 163 nodes and edges [2024-11-08 19:01:01,593 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-08 19:01:01,594 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-08 19:01:01,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 19:01:01,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:01:01,595 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:01:01,736 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:01:01,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 19:01:01,739 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:01:01,741 INFO L158 Benchmark]: Toolchain (without parser) took 9983.75ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 110.4MB in the beginning and 101.0MB in the end (delta: 9.3MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,741 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 115.3MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:01:01,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7488.80ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 109.8MB in the beginning and 70.7MB in the end (delta: 39.1MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 213.63ms. Allocated memory is still 182.5MB. Free memory was 70.7MB in the beginning and 61.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,742 INFO L158 Benchmark]: Boogie Preprocessor took 139.72ms. Allocated memory is still 182.5MB. Free memory was 61.2MB in the beginning and 55.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,742 INFO L158 Benchmark]: RCFGBuilder took 1930.88ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 55.0MB in the beginning and 110.5MB in the end (delta: -55.5MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,743 INFO L158 Benchmark]: TraceAbstraction took 33.67ms. Allocated memory is still 220.2MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,743 INFO L158 Benchmark]: Witness Printer took 167.35ms. Allocated memory is still 220.2MB. Free memory was 107.3MB in the beginning and 101.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:01:01,745 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 115.3MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7488.80ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 109.8MB in the beginning and 70.7MB in the end (delta: 39.1MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 213.63ms. Allocated memory is still 182.5MB. Free memory was 70.7MB in the beginning and 61.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.72ms. Allocated memory is still 182.5MB. Free memory was 61.2MB in the beginning and 55.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1930.88ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 55.0MB in the beginning and 110.5MB in the end (delta: -55.5MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 33.67ms. Allocated memory is still 220.2MB. Free memory was 109.4MB in the beginning and 107.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 167.35ms. Allocated memory is still 220.2MB. Free memory was 107.3MB in the beginning and 101.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 19:01:01,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c95dcbe-d4e2-4eca-a8c8-e829d73da9c0/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