./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/config/GemCutterReach.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_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F --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 0.3.0-dev-826ab2b [2024-11-13 12:22:10,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:22:10,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-13 12:22:10,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:22:10,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:22:10,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:22:10,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:22:10,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:22:10,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:22:10,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:22:10,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:22:10,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:22:10,652 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:22:10,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:22:10,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:22:10,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:22:10,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:22:10,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:22:10,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:22:10,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:22:10,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:22:10,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:22:10,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:22:10,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:22:10,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:22:10,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:22:10,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:22:10,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:22:10,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:22:10,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:22:10,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:22:10,657 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:22:10,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:22:10,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:22:10,657 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:22:10,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:22:10,657 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:22:10,658 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:22:10,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F 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 [2024-11-13 12:22:11,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:22:11,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:22:11,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:22:11,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:22:11,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:22:11,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i Unable to find full path for "g++" [2024-11-13 12:22:13,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:22:13,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:22:13,943 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-13 12:22:14,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/data/e9747e940/215668bab67e47b4968ae0ca75b2a6bb/FLAG86994884d [2024-11-13 12:22:14,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/data/e9747e940/215668bab67e47b4968ae0ca75b2a6bb [2024-11-13 12:22:14,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:22:14,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:22:14,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:22:14,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:22:14,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:22:14,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:22:14" (1/1) ... [2024-11-13 12:22:14,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162ae00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:14, skipping insertion in model container [2024-11-13 12:22:14,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:22:14" (1/1) ... [2024-11-13 12:22:14,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:22:20,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:22:20,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:22:21,030 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] [2024-11-13 12:22:21,033 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] [2024-11-13 12:22:21,033 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] [2024-11-13 12:22:21,035 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] [2024-11-13 12:22:21,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-13 12:22:21,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:22:21,938 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:22:21,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21 WrapperNode [2024-11-13 12:22:21,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:22:21,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:22:21,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:22:21,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:22:21,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,134 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 347 [2024-11-13 12:22:22,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:22:22,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:22:22,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:22:22,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:22:22,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:22:22,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:22:22,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:22:22,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:22:22,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (1/1) ... [2024-11-13 12:22:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:22:22,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/z3 [2024-11-13 12:22:22,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:22:22,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:22:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:22:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:22:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-13 12:22:22,325 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-13 12:22:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:22:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:22:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:22:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:22:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-13 12:22:22,326 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-13 12:22:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 12:22:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 12:22:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:22:22,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:22:22,328 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 12:22:22,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:22:22,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:22:23,812 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:22:23,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:22:24,718 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:22:24,719 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:22:24,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:22:24 BoogieIcfgContainer [2024-11-13 12:22:24,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:22:24,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:22:24,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:22:24,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:22:24,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:22:14" (1/3) ... [2024-11-13 12:22:24,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573ea071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:22:24, skipping insertion in model container [2024-11-13 12:22:24,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:22:21" (2/3) ... [2024-11-13 12:22:24,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573ea071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:22:24, skipping insertion in model container [2024-11-13 12:22:24,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:22:24" (3/3) ... [2024-11-13 12:22:24,735 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-13 12:22:24,757 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:22:24,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i that has 3 procedures, 26 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2024-11-13 12:22:24,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573ea071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:22:24, skipping insertion in model container [2024-11-13 12:22:24,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:22:24,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:22:24,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:22:24,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:22:24,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:22:24" (3/3) ... [2024-11-13 12:22:24,767 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:22:24,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-13 12:22:24,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-13 12:22:24,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 163 nodes and edges [2024-11-13 12:22:24,780 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-13 12:22:24,781 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-13 12:22:24,781 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 12:22:24,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:22:24,783 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:22:24,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/witness.graphml [2024-11-13 12:22:24,897 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/witness.yml [2024-11-13 12:22:24,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:22:24,900 INFO L158 Benchmark]: Toolchain (without parser) took 10591.62ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 82.0MB in the beginning and 52.1MB in the end (delta: 29.9MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2024-11-13 12:22:24,902 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:22:24,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7630.14ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 81.7MB in the beginning and 135.4MB in the end (delta: -53.7MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2024-11-13 12:22:24,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 194.35ms. Allocated memory is still 209.7MB. Free memory was 135.4MB in the beginning and 127.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:22:24,904 INFO L158 Benchmark]: Boogie Preprocessor took 105.32ms. Allocated memory is still 209.7MB. Free memory was 127.1MB in the beginning and 124.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:22:24,904 INFO L158 Benchmark]: RCFGBuilder took 2479.46ms. Allocated memory is still 209.7MB. Free memory was 124.0MB in the beginning and 60.7MB in the end (delta: 63.2MB). Peak memory consumption was 101.4MB. Max. memory is 16.1GB. [2024-11-13 12:22:24,904 INFO L158 Benchmark]: TraceAbstraction took 37.17ms. Allocated memory is still 209.7MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:22:24,905 INFO L158 Benchmark]: Witness Printer took 135.59ms. Allocated memory is still 209.7MB. Free memory was 58.6MB in the beginning and 52.1MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:22:24,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7630.14ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 81.7MB in the beginning and 135.4MB in the end (delta: -53.7MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 194.35ms. Allocated memory is still 209.7MB. Free memory was 135.4MB in the beginning and 127.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.32ms. Allocated memory is still 209.7MB. Free memory was 127.1MB in the beginning and 124.0MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2479.46ms. Allocated memory is still 209.7MB. Free memory was 124.0MB in the beginning and 60.7MB in the end (delta: 63.2MB). Peak memory consumption was 101.4MB. Max. memory is 16.1GB. * TraceAbstraction took 37.17ms. Allocated memory is still 209.7MB. Free memory was 60.7MB in the beginning and 58.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 135.59ms. Allocated memory is still 209.7MB. Free memory was 58.6MB in the beginning and 52.1MB in the end (delta: 6.5MB). There was no memory consumed. 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! [2024-11-13 12:22:24,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5288277-422a-49e6-ad61-6ecc0bf8a2b4/bin/ugemcutter-verify-yV71Fz5F0F/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