./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 c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 12:05:52,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:05:52,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-13 12:05:52,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:05:52,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:05:52,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:05:52,822 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:05:52,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:05:52,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:05:52,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:05:52,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:05:52,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:05:52,825 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:05:52,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:05:52,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:05:52,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:05:52,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:05:52,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:05:52,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:05:52,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:05:52,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:05:52,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:05:52,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:05:52,834 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 12:05:52,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:05:52,834 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:05:52,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:05:52,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:05:52,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:05:52,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:05:52,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:05:52,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:05:52,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:05:52,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:05:52,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:05:52,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:05:52,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:05:52,837 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 12:05:52,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:05:52,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:05:52,840 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 12:05:52,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 12:05:52,840 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 12:05:52,841 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 12:05:52,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16b4cfe031f645c2fa5eeec572887c79d8e9243727503d849e4b19e0e31cc63 [2024-11-13 12:05:53,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:05:53,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:05:53,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:05:53,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:05:53,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:05:53,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-13 12:05:54,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:05:55,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:05:55,179 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2024-11-13 12:05:55,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26bfb8229/8458df5fcbe347d4acb168d0d0bd8f82/FLAGc1b67174d [2024-11-13 12:05:55,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/26bfb8229/8458df5fcbe347d4acb168d0d0bd8f82 [2024-11-13 12:05:55,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:05:55,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:05:55,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:05:55,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:05:55,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:05:55,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:05:55" (1/1) ... [2024-11-13 12:05:55,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432d6cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:05:55, skipping insertion in model container [2024-11-13 12:05:55,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:05:55" (1/1) ... [2024-11-13 12:05:55,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:05:59,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:05:59,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:05:59,775 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 12:05:59,778 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 12:05:59,778 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 12:05:59,779 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 12:05:59,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-13 12:06:00,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:06:00,643 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:06:00,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00 WrapperNode [2024-11-13 12:06:00,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:06:00,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:06:00,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:06:00,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:06:00,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,841 INFO L138 Inliner]: procedures = 1354, calls = 1480, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 406 [2024-11-13 12:06:00,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:06:00,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:06:00,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:06:00,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:06:00,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:06:00,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:06:00,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:06:00,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:06:00,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (1/1) ... [2024-11-13 12:06:00,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 12:06:00,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 12:06:00,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 12:06:00,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 12:06:01,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 12:06:01,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 12:06:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:06:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:06:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:06:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 12:06:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2024-11-13 12:06:01,064 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2024-11-13 12:06:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 12:06:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 12:06:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 12:06:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-13 12:06:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-13 12:06:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 12:06:01,066 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 12:06:01,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:06:01,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:06:02,027 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 12:06:02,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:06:02,604 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:06:02,604 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 12:06:02,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:06:02 BoogieIcfgContainer [2024-11-13 12:06:02,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:06:02,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:06:02,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:06:02,612 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:06:02,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:05:55" (1/3) ... [2024-11-13 12:06:02,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f333f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:06:02, skipping insertion in model container [2024-11-13 12:06:02,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:06:00" (2/3) ... [2024-11-13 12:06:02,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f333f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:06:02, skipping insertion in model container [2024-11-13 12:06:02,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:06:02" (3/3) ... [2024-11-13 12:06:02,616 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2024-11-13 12:06:02,635 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:06:02,636 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-13 12:06:02,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f333f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 12:06:02, skipping insertion in model container [2024-11-13 12:06:02,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 12:06:02,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:06:02,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:06:02,638 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:06:02,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:06:02" (3/3) ... [2024-11-13 12:06:02,642 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 12:06:02,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2024-11-13 12:06:02,645 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-13 12:06:02,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 166 nodes and edges [2024-11-13 12:06:02,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-13 12:06:02,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-13 12:06:02,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 12:06:02,660 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:06:02,661 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 12:06:02,782 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-11-13 12:06:02,783 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-11-13 12:06:02,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:06:02,784 INFO L158 Benchmark]: Toolchain (without parser) took 7523.16ms. Allocated memory was 186.6MB in the beginning and 335.5MB in the end (delta: 148.9MB). Free memory was 109.3MB in the beginning and 245.2MB in the end (delta: -135.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,785 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:06:02,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5379.09ms. Allocated memory was 186.6MB in the beginning and 335.5MB in the end (delta: 148.9MB). Free memory was 109.1MB in the beginning and 166.9MB in the end (delta: -57.8MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 197.60ms. Allocated memory is still 335.5MB. Free memory was 166.9MB in the beginning and 157.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,788 INFO L158 Benchmark]: Boogie Preprocessor took 101.97ms. Allocated memory is still 335.5MB. Free memory was 157.4MB in the beginning and 153.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,788 INFO L158 Benchmark]: RCFGBuilder took 1658.94ms. Allocated memory is still 335.5MB. Free memory was 153.2MB in the beginning and 254.6MB in the end (delta: -101.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,788 INFO L158 Benchmark]: TraceAbstraction took 29.56ms. Allocated memory is still 335.5MB. Free memory was 253.6MB in the beginning and 252.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,789 INFO L158 Benchmark]: Witness Printer took 144.77ms. Allocated memory is still 335.5MB. Free memory was 252.5MB in the beginning and 245.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-13 12:06:02,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5379.09ms. Allocated memory was 186.6MB in the beginning and 335.5MB in the end (delta: 148.9MB). Free memory was 109.1MB in the beginning and 166.9MB in the end (delta: -57.8MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 197.60ms. Allocated memory is still 335.5MB. Free memory was 166.9MB in the beginning and 157.4MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.97ms. Allocated memory is still 335.5MB. Free memory was 157.4MB in the beginning and 153.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1658.94ms. Allocated memory is still 335.5MB. Free memory was 153.2MB in the beginning and 254.6MB in the end (delta: -101.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * TraceAbstraction took 29.56ms. Allocated memory is still 335.5MB. Free memory was 253.6MB in the beginning and 252.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 144.77ms. Allocated memory is still 335.5MB. Free memory was 252.5MB in the beginning and 245.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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 12:06:02,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE