./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/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_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-d790fec [2024-11-27 06:33:07,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:33:07,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-27 06:33:07,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:33:07,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:33:07,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:33:07,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:33:07,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:33:07,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:33:07,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:33:07,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:33:07,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:33:07,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:33:07,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:33:07,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:33:07,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:33:07,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:33:07,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:33:07,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:33:07,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:33:07,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:33:07,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:33:07,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:33:07,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:33:07,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:33:07,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:33:07,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:33:07,595 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:33:07,595 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:33:07,595 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:33:07,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:33:07,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:33:07,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:33:07,596 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:33:07,596 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-11-27 06:33:07,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:33:07,597 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:33:07,598 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_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco 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 ! call(reach_error())) ) 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 [2024-11-27 06:33:07,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:33:07,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:33:07,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:33:07,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:33:07,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:33:07,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-27 06:33:10,983 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/data/86738689d/0d5a8d439c724eeba536a62c23760dd4/FLAG38a9e7ec8 [2024-11-27 06:33:11,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:33:11,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-27 06:33:11,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/data/86738689d/0d5a8d439c724eeba536a62c23760dd4/FLAG38a9e7ec8 [2024-11-27 06:33:12,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/data/86738689d/0d5a8d439c724eeba536a62c23760dd4 [2024-11-27 06:33:12,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:33:12,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:33:12,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:33:12,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:33:12,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:33:12,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:33:12" (1/1) ... [2024-11-27 06:33:12,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76cfbddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:12, skipping insertion in model container [2024-11-27 06:33:12,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:33:12" (1/1) ... [2024-11-27 06:33:12,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:33:12,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5520,5533] [2024-11-27 06:33:18,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:33:18,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:33:18,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5520,5533] [2024-11-27 06:33:18,196 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] [2024-11-27 06:33:18,199 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] [2024-11-27 06:33:18,200 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] [2024-11-27 06:33:18,200 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] [2024-11-27 06:33:18,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-27 06:33:18,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:33:18,999 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:33:18,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18 WrapperNode [2024-11-27 06:33:19,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:33:19,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:33:19,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:33:19,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:33:19,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,191 INFO L138 Inliner]: procedures = 1354, calls = 1463, calls flagged for inlining = 352, calls inlined = 19, statements flattened = 343 [2024-11-27 06:33:19,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:33:19,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:33:19,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:33:19,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:33:19,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,245 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,253 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:33:19,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:33:19,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:33:19,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:33:19,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (1/1) ... [2024-11-27 06:33:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:33:19,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:19,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:33:19,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:33:19,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:33:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:33:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-27 06:33:19,365 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-27 06:33:19,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:33:19,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-27 06:33:19,366 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-27 06:33:19,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:33:19,368 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 06:33:19,959 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:33:19,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:33:20,592 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:33:20,593 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:33:21,257 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:33:21,258 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 06:33:21,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:33:21 BoogieIcfgContainer [2024-11-27 06:33:21,259 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:33:21,261 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:33:21,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:33:21,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:33:21,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:33:12" (1/3) ... [2024-11-27 06:33:21,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5597c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:33:21, skipping insertion in model container [2024-11-27 06:33:21,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:33:18" (2/3) ... [2024-11-27 06:33:21,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5597c6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:33:21, skipping insertion in model container [2024-11-27 06:33:21,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:33:21" (3/3) ... [2024-11-27 06:33:21,273 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-27 06:33:21,293 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:33:21,296 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i that has 3 procedures, 30 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 06:33:21,297 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 06:33:21,396 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 06:33:21,458 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:21,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-27 06:33:21,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:33:21,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-27 06:33:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-27 06:33:21,772 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:33:21,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-27 06:33:21,804 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@707d8763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:21,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 06:33:22,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-27 06:33:22,498 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-11-27 06:33:22,502 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-11-27 06:33:22,505 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2) [2024-11-27 06:33:22,508 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:22,510 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-27 06:33:22,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_read_nvramThread1of1ForFork0 ======== [2024-11-27 06:33:22,511 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@707d8763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 06:33:22,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 06:33:23,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 06:33:23,089 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-27 06:33:23,089 INFO L139 ounterexampleChecker]: Examining path program with hash -781281466, occurence #1 [2024-11-27 06:33:23,089 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-27 06:33:23,089 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-27 06:33:23,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 06:33:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash 2040629165, now seen corresponding path program 1 times [2024-11-27 06:33:23,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 06:33:23,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552541593] [2024-11-27 06:33:23,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 06:33:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 06:33:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 06:33:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 06:33:24,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 06:33:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552541593] [2024-11-27 06:33:24,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552541593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 06:33:24,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 06:33:24,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 06:33:24,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865790196] [2024-11-27 06:33:24,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 06:33:24,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 06:33:24,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 06:33:24,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 06:33:24,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 06:33:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:24,256 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-27 06:33:24,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 06:33:24,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-27 06:33:24,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 06:33:24,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 06:33:24,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 06:33:24,718 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-27 06:33:24,719 INFO L319 ceAbstractionStarter]: Result for error location whoop_wrapper_read_nvramThread1of1ForFork0 was SAFE (2/2) [2024-11-27 06:33:24,721 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 06:33:24,721 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 06:33:24,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-11-27 06:33:24,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:33:24 BasicIcfg [2024-11-27 06:33:24,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 06:33:24,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 06:33:24,739 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 06:33:24,739 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 06:33:24,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:33:21" (3/4) ... [2024-11-27 06:33:24,743 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 06:33:24,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-27 06:33:24,748 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-27 06:33:24,762 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2024-11-27 06:33:24,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-27 06:33:24,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-27 06:33:24,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 06:33:24,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 06:33:24,764 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 06:33:24,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml [2024-11-27 06:33:24,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/witness.yml [2024-11-27 06:33:24,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 06:33:24,880 INFO L158 Benchmark]: Toolchain (without parser) took 12809.17ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 108.8MB in the beginning and 115.4MB in the end (delta: -6.6MB). Peak memory consumption was 237.2MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,881 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:33:24,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6928.02ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 108.5MB in the beginning and 171.7MB in the end (delta: -63.1MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.54ms. Allocated memory is still 385.9MB. Free memory was 171.7MB in the beginning and 162.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,883 INFO L158 Benchmark]: Boogie Preprocessor took 86.25ms. Allocated memory is still 385.9MB. Free memory was 162.3MB in the beginning and 158.9MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,883 INFO L158 Benchmark]: RCFGBuilder took 1975.35ms. Allocated memory is still 385.9MB. Free memory was 158.9MB in the beginning and 165.3MB in the end (delta: -6.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,884 INFO L158 Benchmark]: TraceAbstraction took 3477.10ms. Allocated memory is still 385.9MB. Free memory was 165.3MB in the beginning and 123.1MB in the end (delta: 42.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,885 INFO L158 Benchmark]: Witness Printer took 139.96ms. Allocated memory is still 385.9MB. Free memory was 123.1MB in the beginning and 115.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:33:24,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6928.02ms. Allocated memory was 142.6MB in the beginning and 385.9MB in the end (delta: 243.3MB). Free memory was 108.5MB in the beginning and 171.7MB in the end (delta: -63.1MB). Peak memory consumption was 179.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 195.54ms. Allocated memory is still 385.9MB. Free memory was 171.7MB in the beginning and 162.3MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.25ms. Allocated memory is still 385.9MB. Free memory was 162.3MB in the beginning and 158.9MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1975.35ms. Allocated memory is still 385.9MB. Free memory was 158.9MB in the beginning and 165.3MB in the end (delta: -6.4MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3477.10ms. Allocated memory is still 385.9MB. Free memory was 165.3MB in the beginning and 123.1MB in the end (delta: 42.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 139.96ms. Allocated memory is still 385.9MB. Free memory was 123.1MB in the beginning and 115.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 198, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194, independent: 189, independent conditional: 0, independent unconditional: 189, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 0, independent unconditional: 189, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 185, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 185, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 194, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0, Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 14, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 185, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 198, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 9, dependent conditional: 4, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 9, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194, independent: 189, independent conditional: 0, independent unconditional: 189, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194, independent: 189, independent conditional: 0, independent unconditional: 189, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 185, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 185, independent: 179, independent conditional: 0, independent unconditional: 179, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 633, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 194, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 180, Positive conditional cache size: 0, Positive unconditional cache size: 180, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1102, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 144, dependent conditional: 130, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 988, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 30, dependent conditional: 16, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 988, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 30, dependent conditional: 16, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1002, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 44, dependent conditional: 30, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1002, independent: 958, independent conditional: 0, independent unconditional: 958, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1002, independent: 958, independent conditional: 0, independent unconditional: 958, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 380, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 380, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 723, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 723, dependent conditional: 0, dependent unconditional: 723, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1002, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 380, unknown conditional: 0, unknown unconditional: 380] , Statistics on independence cache: Total cache size (in pairs): 565, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 426, Maximal queried relation: 1, Independence queries for same thread: 114, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 94, Number of trivial persistent sets: 73, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 576, independent: 562, independent conditional: 0, independent unconditional: 562, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1102, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 144, dependent conditional: 130, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 988, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 30, dependent conditional: 16, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 988, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 30, dependent conditional: 16, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1002, independent: 958, independent conditional: 396, independent unconditional: 562, dependent: 44, dependent conditional: 30, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1002, independent: 958, independent conditional: 0, independent unconditional: 958, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1002, independent: 958, independent conditional: 0, independent unconditional: 958, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 380, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 380, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 723, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 723, dependent conditional: 0, dependent unconditional: 723, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1002, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 380, unknown conditional: 0, unknown unconditional: 380] , Statistics on independence cache: Total cache size (in pairs): 565, Positive cache size: 551, Positive conditional cache size: 0, Positive unconditional cache size: 551, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 426, Maximal queried relation: 1, Independence queries for same thread: 114 - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_read_nvramThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 06:33:24,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4cc3eb1-ae10-41f3-bf5b-e3f3ad99f2c2/bin/ugemcutter-verify-fG3NtRWMco/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