./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.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_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:23:28,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:23:28,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:23:28,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:23:28,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:23:28,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:23:28,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:23:28,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:23:28,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:23:28,245 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:23:28,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:23:28,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:23:28,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:23:28,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:23:28,246 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:23:28,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:23:28,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:23:28,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:23:28,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:23:28,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:23:28,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:23:28,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:23:28,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:23:28,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:23:28,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:23:28,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:23:28,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:23:28,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:23:28,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:23:28,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:23:28,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:23:28,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:23:28,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:23:28,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:23:28,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:23:28,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:23:28,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:23:28,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:23:28,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:23:28,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:23:28,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:23:28,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:23:28,251 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:23:28,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:23:28,253 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-28 04:23:28,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:23:28,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:23:28,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:23:28,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:23:28,618 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:23:28,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-28 04:23:32,176 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/data/49f8b3023/edbe89b8769c4dc4bb2eb34d0e66e8ee/FLAG7fda96bba [2024-11-28 04:23:33,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:23:33,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-28 04:23:33,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/data/49f8b3023/edbe89b8769c4dc4bb2eb34d0e66e8ee/FLAG7fda96bba [2024-11-28 04:23:33,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/data/49f8b3023/edbe89b8769c4dc4bb2eb34d0e66e8ee [2024-11-28 04:23:33,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:23:33,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:23:33,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:23:33,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:23:33,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:23:33,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:23:33" (1/1) ... [2024-11-28 04:23:33,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb23770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:33, skipping insertion in model container [2024-11-28 04:23:33,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:23:33" (1/1) ... [2024-11-28 04:23:33,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:23:40,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:23:40,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:23:40,248 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] [2024-11-28 04:23:40,251 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] [2024-11-28 04:23:40,251 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] [2024-11-28 04:23:40,251 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] [2024-11-28 04:23:40,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-28 04:23:40,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:23:41,111 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:23:41,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41 WrapperNode [2024-11-28 04:23:41,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:23:41,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:23:41,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:23:41,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:23:41,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,320 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 402 [2024-11-28 04:23:41,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:23:41,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:23:41,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:23:41,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:23:41,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,350 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,397 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 1, 31, 4, 2, 9, 3]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 31, 4, 2, 0, 3]. The 3 writes are split as follows [0, 0, 0, 0, 0, 3, 0]. [2024-11-28 04:23:41,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,436 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:23:41,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:23:41,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:23:41,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:23:41,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (1/1) ... [2024-11-28 04:23:41,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:23:41,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:23:41,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:23:41,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:23:41,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:23:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:23:41,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-28 04:23:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:23:41,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-28 04:23:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:23:41,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:23:41,559 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:23:42,127 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:23:42,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:23:42,997 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:23:42,998 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:23:43,962 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:23:43,962 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:23:43,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:23:43 BoogieIcfgContainer [2024-11-28 04:23:43,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:23:43,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:23:43,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:23:43,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:23:43,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:23:33" (1/3) ... [2024-11-28 04:23:43,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7964fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:23:43, skipping insertion in model container [2024-11-28 04:23:43,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:23:41" (2/3) ... [2024-11-28 04:23:43,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7964fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:23:43, skipping insertion in model container [2024-11-28 04:23:43,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:23:43" (3/3) ... [2024-11-28 04:23:43,975 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-28 04:23:44,001 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:23:44,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_read_nvram_write_nvram.i that has 3 procedures, 35 locations, 1 initial locations, 2 loop locations, and 0 error locations. [2024-11-28 04:23:44,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7964fa62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:23:44, skipping insertion in model container [2024-11-28 04:23:44,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:23:44,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:23:44,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:23:44,009 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:23:44,010 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:23:43" (3/3) ... [2024-11-28 04:23:44,013 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:23:44,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-28 04:23:44,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-28 04:23:44,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2024-11-28 04:23:44,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-28 04:23:44,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-28 04:23:44,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 04:23:44,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:23:44,034 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:23:44,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:23:44,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:23:44,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:23:44,187 INFO L158 Benchmark]: Toolchain (without parser) took 10988.15ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 82.4MB in the beginning and 228.3MB in the end (delta: -146.0MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2024-11-28 04:23:44,188 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:23:44,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7910.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 82.4MB in the beginning and 266.9MB in the end (delta: -184.6MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. [2024-11-28 04:23:44,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.52ms. Allocated memory is still 352.3MB. Free memory was 266.9MB in the beginning and 256.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:23:44,189 INFO L158 Benchmark]: Boogie Preprocessor took 136.95ms. Allocated memory is still 352.3MB. Free memory was 256.1MB in the beginning and 250.2MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:23:44,191 INFO L158 Benchmark]: RCFGBuilder took 2499.48ms. Allocated memory is still 352.3MB. Free memory was 250.2MB in the beginning and 236.7MB in the end (delta: 13.5MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. [2024-11-28 04:23:44,192 INFO L158 Benchmark]: TraceAbstraction took 41.10ms. Allocated memory is still 352.3MB. Free memory was 236.7MB in the beginning and 236.7MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:23:44,193 INFO L158 Benchmark]: Witness Printer took 177.18ms. Allocated memory is still 352.3MB. Free memory was 236.7MB in the beginning and 228.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:23:44,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7910.50ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 82.4MB in the beginning and 266.9MB in the end (delta: -184.6MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.52ms. Allocated memory is still 352.3MB. Free memory was 266.9MB in the beginning and 256.1MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.95ms. Allocated memory is still 352.3MB. Free memory was 256.1MB in the beginning and 250.2MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2499.48ms. Allocated memory is still 352.3MB. Free memory was 250.2MB in the beginning and 236.7MB in the end (delta: 13.5MB). Peak memory consumption was 163.6MB. Max. memory is 16.1GB. * TraceAbstraction took 41.10ms. Allocated memory is still 352.3MB. Free memory was 236.7MB in the beginning and 236.7MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 177.18ms. Allocated memory is still 352.3MB. Free memory was 236.7MB in the beginning and 228.3MB in the end (delta: 8.3MB). 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: - 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! [2024-11-28 04:23:44,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ade2efca-761a-40be-b097-634c31a056e0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE