./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 16:10:32,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 16:10:32,185 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-23 16:10:32,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 16:10:32,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 16:10:32,216 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 16:10:32,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 16:10:32,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 16:10:32,219 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 16:10:32,223 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 16:10:32,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 16:10:32,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 16:10:32,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 16:10:32,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 16:10:32,225 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 16:10:32,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 16:10:32,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 16:10:32,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 16:10:32,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 16:10:32,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 16:10:32,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 16:10:32,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 16:10:32,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 16:10:32,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 16:10:32,229 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 16:10:32,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 16:10:32,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 16:10:32,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 16:10:32,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 16:10:32,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 16:10:32,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 16:10:32,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 16:10:32,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 16:10:32,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 16:10:32,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 16:10:32,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 16:10:32,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 16:10:32,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 16:10:32,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 16:10:32,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 16:10:32,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 16:10:32,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 16:10:32,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 16:10:32,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 16:10:32,234 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e7bb75a4a041a1b509d755288a88858836cab5db2230ae4fd0db7ec04fe254 [2023-11-23 16:10:32,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 16:10:32,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 16:10:32,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 16:10:32,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 16:10:32,475 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 16:10:32,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-11-23 16:10:33,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 16:10:33,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 16:10:33,738 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-11-23 16:10:33,778 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fb4a8eb1/282d46a3ca374773969f4e3f4c9da694/FLAGf05978530 [2023-11-23 16:10:33,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fb4a8eb1/282d46a3ca374773969f4e3f4c9da694 [2023-11-23 16:10:33,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 16:10:33,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 16:10:33,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 16:10:33,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 16:10:33,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 16:10:33,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:33" (1/1) ... [2023-11-23 16:10:33,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77162f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:33, skipping insertion in model container [2023-11-23 16:10:33,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:10:33" (1/1) ... [2023-11-23 16:10:33,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 16:10:36,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 16:10:36,592 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 16:10:36,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-23 16:10:36,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-23 16:10:36,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-23 16:10:36,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-23 16:10:36,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-23 16:10:36,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 16:10:37,138 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:10:37,138 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:10:37,138 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:10:37,138 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:10:37,138 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:10:37,138 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 16:10:37,144 INFO L206 MainTranslator]: Completed translation [2023-11-23 16:10:37,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37 WrapperNode [2023-11-23 16:10:37,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 16:10:37,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 16:10:37,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 16:10:37,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 16:10:37,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,295 INFO L138 Inliner]: procedures = 1353, calls = 1467, calls flagged for inlining = 348, calls inlined = 20, statements flattened = 385 [2023-11-23 16:10:37,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 16:10:37,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 16:10:37,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 16:10:37,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 16:10:37,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,358 INFO L175 MemorySlicer]: Split 36 memory accesses to 9 slices as follows [2, 8, 1, 4, 2, 12, 3, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 1, 4, 2, 6, 3, 0, 0]. The 10 writes are split as follows [0, 2, 0, 0, 0, 6, 0, 1, 1]. [2023-11-23 16:10:37,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 16:10:37,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 16:10:37,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 16:10:37,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 16:10:37,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (1/1) ... [2023-11-23 16:10:37,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 16:10:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 16:10:37,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 16:10:37,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 16:10:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 16:10:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 16:10:37,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 16:10:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 16:10:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 16:10:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 16:10:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 16:10:37,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 16:10:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 16:10:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 16:10:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 16:10:37,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 16:10:37,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 16:10:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 16:10:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 16:10:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 16:10:37,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 16:10:37,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 16:10:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 16:10:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 16:10:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 16:10:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 16:10:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 16:10:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 16:10:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 16:10:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 16:10:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 16:10:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 16:10:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 16:10:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 16:10:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 16:10:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 16:10:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-23 16:10:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 16:10:37,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 16:10:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 16:10:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 16:10:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 16:10:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-11-23 16:10:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-11-23 16:10:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 16:10:37,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 16:10:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 16:10:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 16:10:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 16:10:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 16:10:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 16:10:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 16:10:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 16:10:37,480 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 16:10:37,831 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 16:10:37,833 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 16:10:38,213 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 16:10:38,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 16:10:38,569 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 16:10:38,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:10:38 BoogieIcfgContainer [2023-11-23 16:10:38,569 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 16:10:38,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 16:10:38,571 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 16:10:38,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 16:10:38,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:10:33" (1/3) ... [2023-11-23 16:10:38,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39abadc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:10:38, skipping insertion in model container [2023-11-23 16:10:38,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:10:37" (2/3) ... [2023-11-23 16:10:38,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39abadc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:10:38, skipping insertion in model container [2023-11-23 16:10:38,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:10:38" (3/3) ... [2023-11-23 16:10:38,577 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-11-23 16:10:38,586 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 16:10:38,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 16:10:38,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 16:10:38,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39abadc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:10:38, skipping insertion in model container [2023-11-23 16:10:38,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 16:10:38,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 16:10:38,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 16:10:38,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 16:10:38,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:10:38" (3/3) ... [2023-11-23 16:10:38,599 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 16:10:38,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2023-11-23 16:10:38,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2023-11-23 16:10:38,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 157 nodes and edges [2023-11-23 16:10:38,613 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2023-11-23 16:10:38,614 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 16:10:38,614 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 16:10:38,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 16:10:38,615 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 16:10:38,714 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 16:10:38,714 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2023-11-23 16:10:38,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 16:10:38,716 INFO L158 Benchmark]: Toolchain (without parser) took 4922.02ms. Allocated memory was 146.8MB in the beginning and 312.5MB in the end (delta: 165.7MB). Free memory was 80.3MB in the beginning and 196.1MB in the end (delta: -115.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,716 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 16:10:38,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3348.85ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 80.3MB in the beginning and 115.8MB in the end (delta: -35.6MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.36ms. Allocated memory is still 213.9MB. Free memory was 115.8MB in the beginning and 106.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,717 INFO L158 Benchmark]: Boogie Preprocessor took 88.50ms. Allocated memory is still 213.9MB. Free memory was 106.5MB in the beginning and 99.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,717 INFO L158 Benchmark]: RCFGBuilder took 1177.68ms. Allocated memory was 213.9MB in the beginning and 312.5MB in the end (delta: 98.6MB). Free memory was 99.1MB in the beginning and 205.5MB in the end (delta: -106.4MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,718 INFO L158 Benchmark]: TraceAbstraction took 24.45ms. Allocated memory is still 312.5MB. Free memory was 204.5MB in the beginning and 202.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,718 INFO L158 Benchmark]: Witness Printer took 118.02ms. Allocated memory is still 312.5MB. Free memory was 202.4MB in the beginning and 196.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 16:10:38,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 146.8MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3348.85ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 80.3MB in the beginning and 115.8MB in the end (delta: -35.6MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.36ms. Allocated memory is still 213.9MB. Free memory was 115.8MB in the beginning and 106.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.50ms. Allocated memory is still 213.9MB. Free memory was 106.5MB in the beginning and 99.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1177.68ms. Allocated memory was 213.9MB in the beginning and 312.5MB in the end (delta: 98.6MB). Free memory was 99.1MB in the beginning and 205.5MB in the end (delta: -106.4MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24.45ms. Allocated memory is still 312.5MB. Free memory was 204.5MB in the beginning and 202.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 118.02ms. Allocated memory is still 312.5MB. Free memory was 202.4MB in the beginning and 196.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * 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! [2023-11-23 16:10:38,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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