./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/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_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/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_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco --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-d790fec [2024-11-27 06:24:40,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 06:24:40,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-27 06:24:40,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 06:24:40,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 06:24:40,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 06:24:40,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 06:24:40,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 06:24:40,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 06:24:40,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 06:24:40,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 06:24:40,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 06:24:40,222 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 06:24:40,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 06:24:40,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 06:24:40,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 06:24:40,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 06:24:40,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 06:24:40,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 06:24:40,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 06:24:40,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 06:24:40,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 06:24:40,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 06:24:40,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 06:24:40,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 06:24:40,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:24:40,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 06:24:40,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-27 06:24:40,226 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-27 06:24:40,227 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-27 06:24:40,228 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_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/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 ! 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 [2024-11-27 06:24:40,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 06:24:40,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 06:24:40,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 06:24:40,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 06:24:40,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 06:24:40,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-27 06:24:43,645 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/data/bf04a816e/a79381e65bd04541a0b8e36466381cff/FLAG20c2bb405 [2024-11-27 06:24:44,587 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 06:24:44,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-27 06:24:44,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/data/bf04a816e/a79381e65bd04541a0b8e36466381cff/FLAG20c2bb405 [2024-11-27 06:24:44,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/data/bf04a816e/a79381e65bd04541a0b8e36466381cff [2024-11-27 06:24:44,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 06:24:44,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 06:24:44,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 06:24:44,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 06:24:44,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 06:24:44,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:24:44" (1/1) ... [2024-11-27 06:24:44,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4039217f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:44, skipping insertion in model container [2024-11-27 06:24:44,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:24:44" (1/1) ... [2024-11-27 06:24:44,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 06:24:50,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:24:50,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 06:24:50,547 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 06:24:50,549 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 06:24:50,550 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 06:24:50,550 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 06:24:50,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-27 06:24:50,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 06:24:51,443 INFO L204 MainTranslator]: Completed translation [2024-11-27 06:24:51,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51 WrapperNode [2024-11-27 06:24:51,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 06:24:51,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 06:24:51,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 06:24:51,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 06:24:51,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,623 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 345 [2024-11-27 06:24:51,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 06:24:51,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 06:24:51,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 06:24:51,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 06:24:51,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,672 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 06:24:51,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 06:24:51,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 06:24:51,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 06:24:51,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (1/1) ... [2024-11-27 06:24:51,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-27 06:24:51,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/z3 [2024-11-27 06:24:51,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-27 06:24:51,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-27 06:24:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 06:24:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 06:24:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-27 06:24:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-27 06:24:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 06:24:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 06:24:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 06:24:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 06:24:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-27 06:24:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-27 06:24:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 06:24:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 06:24:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-27 06:24:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 06:24:51,774 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 06:24:52,279 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 06:24:52,281 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 06:24:52,952 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 06:24:52,952 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 06:24:53,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 06:24:53,737 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 06:24:53,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:24:53 BoogieIcfgContainer [2024-11-27 06:24:53,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 06:24:53,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 06:24:53,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 06:24:53,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 06:24:53,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:24:44" (1/3) ... [2024-11-27 06:24:53,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b1f7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:24:53, skipping insertion in model container [2024-11-27 06:24:53,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:24:51" (2/3) ... [2024-11-27 06:24:53,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b1f7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:24:53, skipping insertion in model container [2024-11-27 06:24:53,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:24:53" (3/3) ... [2024-11-27 06:24:53,750 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2024-11-27 06:24:53,768 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 06:24:53,770 INFO L151 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. [2024-11-27 06:24:53,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b1f7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:24:53, skipping insertion in model container [2024-11-27 06:24:53,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 06:24:53,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 06:24:53,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 06:24:53,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 06:24:53,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:24:53" (3/3) ... [2024-11-27 06:24:53,778 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 06:24:53,783 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-27 06:24:53,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-27 06:24:53,793 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2024-11-27 06:24:53,797 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-27 06:24:53,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-27 06:24:53,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 06:24:53,798 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 06:24:53,799 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 06:24:53,904 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml [2024-11-27 06:24:53,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/bin/ugemcutter-verify-fG3NtRWMco/witness.yml [2024-11-27 06:24:53,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 06:24:53,909 INFO L158 Benchmark]: Toolchain (without parser) took 9219.76ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 106.6MB in the beginning and 133.5MB in the end (delta: -26.9MB). Peak memory consumption was 113.4MB. Max. memory is 16.1GB. [2024-11-27 06:24:53,909 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:24:53,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6756.47ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 106.4MB in the beginning and 190.9MB in the end (delta: -84.6MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2024-11-27 06:24:53,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.69ms. Allocated memory is still 285.2MB. Free memory was 190.9MB in the beginning and 181.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:24:53,910 INFO L158 Benchmark]: Boogie Preprocessor took 72.94ms. Allocated memory is still 285.2MB. Free memory was 181.8MB in the beginning and 178.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:24:53,910 INFO L158 Benchmark]: RCFGBuilder took 2040.36ms. Allocated memory is still 285.2MB. Free memory was 178.6MB in the beginning and 141.9MB in the end (delta: 36.7MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. [2024-11-27 06:24:53,910 INFO L158 Benchmark]: TraceAbstraction took 31.32ms. Allocated memory is still 285.2MB. Free memory was 141.9MB in the beginning and 139.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 06:24:53,911 INFO L158 Benchmark]: Witness Printer took 131.85ms. Allocated memory is still 285.2MB. Free memory was 139.3MB in the beginning and 133.5MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 06:24:53,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6756.47ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 106.4MB in the beginning and 190.9MB in the end (delta: -84.6MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.69ms. Allocated memory is still 285.2MB. Free memory was 190.9MB in the beginning and 181.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.94ms. Allocated memory is still 285.2MB. Free memory was 181.8MB in the beginning and 178.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2040.36ms. Allocated memory is still 285.2MB. Free memory was 178.6MB in the beginning and 141.9MB in the end (delta: 36.7MB). Peak memory consumption was 109.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31.32ms. Allocated memory is still 285.2MB. Free memory was 141.9MB in the beginning and 139.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 131.85ms. Allocated memory is still 285.2MB. Free memory was 139.3MB in the beginning and 133.5MB in the end (delta: 5.8MB). 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! [2024-11-27 06:24:53,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c58c2-b6d8-4cd1-9b8e-76dbb6f1d8a5/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