./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_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/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_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1 --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 [2024-12-02 06:04:17,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:04:17,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 06:04:17,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:04:17,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:04:17,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:04:17,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:04:17,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:04:17,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:04:17,858 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:04:17,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:04:17,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:04:17,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:04:17,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:04:17,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:04:17,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:04:17,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:04:17,860 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:04:17,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:04:17,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:04:17,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:04:17,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:04:17,863 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_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 06:04:18,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:04:18,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:04:18,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:04:18,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:04:18,099 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:04:18,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-12-02 06:04:20,735 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/data/f8fe15152/8c278c28f62b474cae2e30ef2f3971b3/FLAGbe39e915e [2024-12-02 06:04:21,182 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:04:21,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-12-02 06:04:21,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/data/f8fe15152/8c278c28f62b474cae2e30ef2f3971b3/FLAGbe39e915e [2024-12-02 06:04:21,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/data/f8fe15152/8c278c28f62b474cae2e30ef2f3971b3 [2024-12-02 06:04:21,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:04:21,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:04:21,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:04:21,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:04:21,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:04:21,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:21" (1/1) ... [2024-12-02 06:04:21,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64653251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:21, skipping insertion in model container [2024-12-02 06:04:21,324 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:21" (1/1) ... [2024-12-02 06:04:21,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:04:25,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:04:25,897 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:04:26,000 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] [2024-12-02 06:04:26,002 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] [2024-12-02 06:04:26,002 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] [2024-12-02 06:04:26,002 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] [2024-12-02 06:04:26,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-12-02 06:04:26,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:04:26,514 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:04:26,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26 WrapperNode [2024-12-02 06:04:26,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:04:26,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:04:26,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:04:26,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:04:26,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,624 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 402 [2024-12-02 06:04:26,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:04:26,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:04:26,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:04:26,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:04:26,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,658 INFO L175 MemorySlicer]: Split 52 memory accesses to 7 slices as follows [2, 1, 31, 4, 2, 3, 9]. 60 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 31, 4, 2, 3, 0]. The 3 writes are split as follows [0, 0, 0, 0, 0, 0, 3]. [2024-12-02 06:04:26,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:04:26,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:04:26,701 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:04:26,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:04:26,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (1/1) ... [2024-12-02 06:04:26,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:04:26,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:04:26,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:04:26,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:04:26,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:04:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:04:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-12-02 06:04:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-12-02 06:04:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:04:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:04:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:04:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:04:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:04:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:04:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:04:26,752 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 06:04:27,109 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:04:27,110 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:04:27,603 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 06:04:27,603 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:04:28,107 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:04:28,107 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 06:04:28,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:28 BoogieIcfgContainer [2024-12-02 06:04:28,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:04:28,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:04:28,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:04:28,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:04:28,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:04:21" (1/3) ... [2024-12-02 06:04:28,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e3899c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:04:28, skipping insertion in model container [2024-12-02 06:04:28,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:26" (2/3) ... [2024-12-02 06:04:28,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e3899c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:04:28, skipping insertion in model container [2024-12-02 06:04:28,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:28" (3/3) ... [2024-12-02 06:04:28,115 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-12-02 06:04:28,128 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:04:28,130 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. [2024-12-02 06:04:28,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17e3899c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:04:28, skipping insertion in model container [2024-12-02 06:04:28,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:04:28,131 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:04:28,131 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:04:28,132 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:04:28,132 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:28" (3/3) ... [2024-12-02 06:04:28,135 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:04:28,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-12-02 06:04:28,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-12-02 06:04:28,143 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2024-12-02 06:04:28,143 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-12-02 06:04:28,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-02 06:04:28,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 06:04:28,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:04:28,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:04:28,212 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:04:28,212 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:04:28,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:04:28,213 INFO L158 Benchmark]: Toolchain (without parser) took 6896.83ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 107.6MB in the beginning and 254.2MB in the end (delta: -146.6MB). Peak memory consumption was 139.7MB. Max. memory is 16.1GB. [2024-12-02 06:04:28,214 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:04:28,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5197.27ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 107.5MB in the beginning and 255.8MB in the end (delta: -148.3MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. [2024-12-02 06:04:28,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.36ms. Allocated memory is still 427.8MB. Free memory was 255.8MB in the beginning and 246.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:04:28,215 INFO L158 Benchmark]: Boogie Preprocessor took 74.79ms. Allocated memory is still 427.8MB. Free memory was 246.7MB in the beginning and 240.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:04:28,215 INFO L158 Benchmark]: RCFGBuilder took 1406.99ms. Allocated memory is still 427.8MB. Free memory was 240.4MB in the beginning and 262.6MB in the end (delta: -22.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. [2024-12-02 06:04:28,215 INFO L158 Benchmark]: TraceAbstraction took 21.54ms. Allocated memory is still 427.8MB. Free memory was 262.6MB in the beginning and 258.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:04:28,216 INFO L158 Benchmark]: Witness Printer took 80.65ms. Allocated memory is still 427.8MB. Free memory was 258.7MB in the beginning and 254.2MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:04:28,218 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5197.27ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 107.5MB in the beginning and 255.8MB in the end (delta: -148.3MB). Peak memory consumption was 145.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.36ms. Allocated memory is still 427.8MB. Free memory was 255.8MB in the beginning and 246.7MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.79ms. Allocated memory is still 427.8MB. Free memory was 246.7MB in the beginning and 240.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1406.99ms. Allocated memory is still 427.8MB. Free memory was 240.4MB in the beginning and 262.6MB in the end (delta: -22.2MB). Peak memory consumption was 110.3MB. Max. memory is 16.1GB. * TraceAbstraction took 21.54ms. Allocated memory is still 427.8MB. Free memory was 262.6MB in the beginning and 258.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.65ms. Allocated memory is still 427.8MB. Free memory was 258.7MB in the beginning and 254.2MB in the end (delta: 4.5MB). 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! [2024-12-02 06:04:28,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1c5b2a8-51e9-4a76-8023-61c6372bbb2a/bin/uautomizer-verify-84ZbGMXZE1/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