./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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 13:18:59,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 13:18:59,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-11 13:18:59,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 13:18:59,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 13:18:59,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 13:18:59,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 13:18:59,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 13:18:59,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 13:18:59,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 13:18:59,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 13:18:59,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 13:18:59,533 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 13:18:59,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 13:18:59,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 13:18:59,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 13:18:59,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 13:18:59,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 13:18:59,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 13:18:59,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 13:18:59,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 13:18:59,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 13:18:59,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 13:18:59,540 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-11 13:18:59,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-11 13:18:59,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 13:18:59,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 13:18:59,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 13:18:59,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 13:18:59,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 13:18:59,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 13:18:59,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 13:18:59,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 13:18:59,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 13:18:59,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 13:18:59,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 13:18:59,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 13:18:59,543 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-11 13:18:59,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 13:18:59,544 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 13:18:59,544 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-11 13:18:59,544 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-11 13:18:59,545 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-11 13:18:59,545 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-11 13:18:59,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf9a63e6b69549a73ec0cdf90051f21ab19a39a485979f4709a706d3ba6e298 [2024-11-11 13:18:59,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 13:18:59,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 13:18:59,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 13:18:59,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 13:18:59,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 13:18:59,818 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-11 13:19:01,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 13:19:01,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 13:19:01,633 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-11 13:19:01,680 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/73d30cb59/ff7fb5f2a9fb4bb7ba6497959bf8696a/FLAG22a28a601 [2024-11-11 13:19:01,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/73d30cb59/ff7fb5f2a9fb4bb7ba6497959bf8696a [2024-11-11 13:19:01,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 13:19:01,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 13:19:01,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 13:19:01,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 13:19:01,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 13:19:01,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 01:19:01" (1/1) ... [2024-11-11 13:19:01,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7142c509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:01, skipping insertion in model container [2024-11-11 13:19:01,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 01:19:01" (1/1) ... [2024-11-11 13:19:01,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 13:19:06,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 13:19:06,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 13:19:07,019 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] [2024-11-11 13:19:07,023 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] [2024-11-11 13:19:07,023 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] [2024-11-11 13:19:07,023 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] [2024-11-11 13:19:07,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-11 13:19:07,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 13:19:07,775 INFO L204 MainTranslator]: Completed translation [2024-11-11 13:19:07,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07 WrapperNode [2024-11-11 13:19:07,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 13:19:07,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 13:19:07,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 13:19:07,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 13:19:07,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,955 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 348 [2024-11-11 13:19:07,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 13:19:07,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 13:19:07,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 13:19:07,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 13:19:07,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:07,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:08,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:08,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:08,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 13:19:08,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 13:19:08,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 13:19:08,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 13:19:08,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (1/1) ... [2024-11-11 13:19:08,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-11 13:19:08,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-11 13:19:08,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-11 13:19:08,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-11 13:19:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-11 13:19:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-11 13:19:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-11 13:19:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-11 13:19:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 13:19:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 13:19:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 13:19:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-11 13:19:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-11 13:19:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-11 13:19:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-11 13:19:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-11 13:19:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-11 13:19:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-11 13:19:08,125 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-11 13:19:08,532 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 13:19:08,535 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 13:19:09,052 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-11 13:19:09,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 13:19:09,570 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 13:19:09,570 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-11 13:19:09,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 01:19:09 BoogieIcfgContainer [2024-11-11 13:19:09,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 13:19:09,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 13:19:09,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 13:19:09,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 13:19:09,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 01:19:01" (1/3) ... [2024-11-11 13:19:09,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d67b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 01:19:09, skipping insertion in model container [2024-11-11 13:19:09,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 01:19:07" (2/3) ... [2024-11-11 13:19:09,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d67b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 01:19:09, skipping insertion in model container [2024-11-11 13:19:09,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 01:19:09" (3/3) ... [2024-11-11 13:19:09,581 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-11 13:19:09,603 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 13:19:09,603 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-11 13:19:09,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d67b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 01:19:09, skipping insertion in model container [2024-11-11 13:19:09,605 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-11 13:19:09,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-11 13:19:09,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-11 13:19:09,607 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-11 13:19:09,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 01:19:09" (3/3) ... [2024-11-11 13:19:09,611 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-11 13:19:09,615 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-11 13:19:09,616 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-11 13:19:09,629 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 163 nodes and edges [2024-11-11 13:19:09,630 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-11 13:19:09,631 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-11 13:19:09,631 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-11 13:19:09,632 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 13:19:09,632 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-11 13:19:09,775 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-11 13:19:09,778 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-11 13:19:09,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-11 13:19:09,780 INFO L158 Benchmark]: Toolchain (without parser) took 8079.14ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 89.0MB in the beginning and 154.6MB in the end (delta: -65.6MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,781 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-11 13:19:09,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6073.00ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 88.8MB in the beginning and 167.0MB in the end (delta: -78.2MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.63ms. Allocated memory is still 232.8MB. Free memory was 166.0MB in the beginning and 156.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,782 INFO L158 Benchmark]: Boogie Preprocessor took 54.98ms. Allocated memory is still 232.8MB. Free memory was 156.6MB in the beginning and 152.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,782 INFO L158 Benchmark]: RCFGBuilder took 1558.75ms. Allocated memory is still 232.8MB. Free memory was 152.4MB in the beginning and 68.4MB in the end (delta: 84.0MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,782 INFO L158 Benchmark]: TraceAbstraction took 32.72ms. Allocated memory is still 232.8MB. Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,783 INFO L158 Benchmark]: Witness Printer took 171.58ms. Allocated memory is still 232.8MB. Free memory was 66.2MB in the beginning and 154.6MB in the end (delta: -88.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-11 13:19:09,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 83.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6073.00ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 88.8MB in the beginning and 167.0MB in the end (delta: -78.2MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.63ms. Allocated memory is still 232.8MB. Free memory was 166.0MB in the beginning and 156.6MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.98ms. Allocated memory is still 232.8MB. Free memory was 156.6MB in the beginning and 152.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1558.75ms. Allocated memory is still 232.8MB. Free memory was 152.4MB in the beginning and 68.4MB in the end (delta: 84.0MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 32.72ms. Allocated memory is still 232.8MB. Free memory was 68.4MB in the beginning and 66.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 171.58ms. Allocated memory is still 232.8MB. Free memory was 66.2MB in the beginning and 154.6MB in the end (delta: -88.4MB). Peak memory consumption was 13.4MB. 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! [2024-11-11 13:19:09,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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