./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/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_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd --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-826ab2b [2024-11-13 14:04:29,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:04:29,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 14:04:29,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:04:29,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:04:29,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:04:29,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:04:29,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:04:29,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:04:29,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:04:29,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:04:29,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:04:29,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:04:29,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:04:29,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:04:29,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:04:29,656 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:04:29,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:04:29,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:04:29,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:04:29,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:04:29,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:04:29,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:04:29,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:04:29,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:04:29,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:04:29,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:04:29,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:04:29,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:04:29,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:04:29,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:04:29,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:04:29,659 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:04:29,659 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:04:29,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:04:29,659 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_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd 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 [2024-11-13 14:04:29,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:04:29,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:04:29,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:04:29,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:04:29,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:04:29,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i Unable to find full path for "g++" [2024-11-13 14:04:31,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:04:32,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:04:32,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-13 14:04:32,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/data/395195745/2a45819085224de7a9d1215b14391962/FLAGa8d68bbc8 [2024-11-13 14:04:32,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/data/395195745/2a45819085224de7a9d1215b14391962 [2024-11-13 14:04:32,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:04:32,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:04:32,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:04:32,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:04:32,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:04:32,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:04:32" (1/1) ... [2024-11-13 14:04:32,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710e6d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:32, skipping insertion in model container [2024-11-13 14:04:32,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:04:32" (1/1) ... [2024-11-13 14:04:32,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:04:38,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:04:38,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:04:39,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-13 14:04:39,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-13 14:04:39,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-13 14:04:39,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-13 14:04:39,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-13 14:04:39,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:04:39,741 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:04:39,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39 WrapperNode [2024-11-13 14:04:39,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:04:39,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:04:39,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:04:39,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:04:39,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,912 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 404 [2024-11-13 14:04:39,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:04:39,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:04:39,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:04:39,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:04:39,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,961 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 31, 9, 1, 4, 2, 3]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 31, 0, 1, 4, 2, 3]. The 3 writes are split as follows [0, 0, 3, 0, 0, 0, 0]. [2024-11-13 14:04:39,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:39,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:40,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:04:40,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:04:40,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:04:40,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:04:40,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (1/1) ... [2024-11-13 14:04:40,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:04:40,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:04:40,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:04:40,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:04:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:04:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:04:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:04:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:04:40,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:04:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:04:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 14:04:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:04:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:04:40,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:04:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:04:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:04:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:04:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:04:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:04:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:04:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:04:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 14:04:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-13 14:04:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 14:04:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 14:04:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-13 14:04:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:04:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:04:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:04:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 14:04:40,103 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:04:40,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:04:40,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:04:41,499 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:04:41,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:04:42,433 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:04:42,433 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:04:42,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:04:42 BoogieIcfgContainer [2024-11-13 14:04:42,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:04:42,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:04:42,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:04:42,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:04:42,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:04:32" (1/3) ... [2024-11-13 14:04:42,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:04:42, skipping insertion in model container [2024-11-13 14:04:42,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:39" (2/3) ... [2024-11-13 14:04:42,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:04:42, skipping insertion in model container [2024-11-13 14:04:42,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:04:42" (3/3) ... [2024-11-13 14:04:42,442 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-13 14:04:42,460 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:04:42,463 INFO L154 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. [2024-11-13 14:04:42,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa5b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:04:42, skipping insertion in model container [2024-11-13 14:04:42,465 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:04:42,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:04:42,466 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:04:42,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:04:42,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:04:42" (3/3) ... [2024-11-13 14:04:42,471 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:04:42,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-13 14:04:42,476 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-13 14:04:42,489 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 166 nodes and edges [2024-11-13 14:04:42,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-13 14:04:42,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-13 14:04:42,490 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 14:04:42,491 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:04:42,492 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:04:42,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:04:42,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:04:42,592 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:04:42,594 INFO L158 Benchmark]: Toolchain (without parser) took 9808.03ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 108.7MB in the beginning and 132.9MB in the end (delta: -24.2MB). Peak memory consumption was 97.4MB. Max. memory is 16.1GB. [2024-11-13 14:04:42,594 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:04:42,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6954.92ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 42.8MB in the end (delta: 65.6MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2024-11-13 14:04:42,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.60ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 42.8MB in the beginning and 208.0MB in the end (delta: -165.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-13 14:04:42,596 INFO L158 Benchmark]: Boogie Preprocessor took 95.45ms. Allocated memory is still 268.4MB. Free memory was 208.0MB in the beginning and 201.5MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:04:42,596 INFO L158 Benchmark]: RCFGBuilder took 2422.07ms. Allocated memory is still 268.4MB. Free memory was 201.5MB in the beginning and 142.1MB in the end (delta: 59.4MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. [2024-11-13 14:04:42,596 INFO L158 Benchmark]: TraceAbstraction took 30.12ms. Allocated memory is still 268.4MB. Free memory was 141.3MB in the beginning and 138.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:04:42,597 INFO L158 Benchmark]: Witness Printer took 125.90ms. Allocated memory is still 268.4MB. Free memory was 138.4MB in the beginning and 132.9MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:04:42,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6954.92ms. Allocated memory is still 142.6MB. Free memory was 108.4MB in the beginning and 42.8MB in the end (delta: 65.6MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 172.60ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 42.8MB in the beginning and 208.0MB in the end (delta: -165.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.45ms. Allocated memory is still 268.4MB. Free memory was 208.0MB in the beginning and 201.5MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2422.07ms. Allocated memory is still 268.4MB. Free memory was 201.5MB in the beginning and 142.1MB in the end (delta: 59.4MB). Peak memory consumption was 152.5MB. Max. memory is 16.1GB. * TraceAbstraction took 30.12ms. Allocated memory is still 268.4MB. Free memory was 141.3MB in the beginning and 138.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 125.90ms. Allocated memory is still 268.4MB. Free memory was 138.4MB in the beginning and 132.9MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-13 14:04:42,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4281e920-9022-48af-b54d-defb069e47d2/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE