./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 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/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.graphml --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:15:45,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:15:45,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:15:45,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:15:45,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:15:45,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:15:45,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:15:45,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:15:45,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:15:45,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:15:45,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:15:45,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:15:45,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:15:45,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:15:45,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:15:45,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:15:45,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:15:45,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:15:45,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:15:45,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:15:45,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:15:45,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:15:45,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:15:45,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:15:45,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:15:45,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:15:45,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:15:45,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:15:45,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:15:45,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:15:45,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:15:45,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:15:45,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:15:45,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:15:45,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:15:45,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:15:45,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:15:45,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:15:45,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:15:45,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:15:45,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:15:45,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:15:45,504 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:15:45,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:15:45,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:15:45,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:15:45,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:15:45,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:15:45,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:15:45,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:15:45,507 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:15:45,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:15:45,507 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:15:45,508 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:15:45,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:15:45,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:15:45,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:15:45,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:15:45,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:15:45,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:15:45,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:15:45,509 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:15:45,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:15:45,509 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:15:45,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:15:45,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:15:45,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:15:45,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:15:45,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:15:45,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:15:45,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:15:45,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:15:45,511 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:15:45,512 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:15:45,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:15:45,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:15:45,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:15:45,736 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:15:45,736 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:15:45,737 INFO L432 ainManager$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 [2023-08-30 13:15:46,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:15:46,985 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:15:46,986 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-08-30 13:15:47,015 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a41fc0a/2f5f691944a549ab922545ce3d9bf359/FLAG7131da85a [2023-08-30 13:15:47,027 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a41fc0a/2f5f691944a549ab922545ce3d9bf359 [2023-08-30 13:15:47,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:15:47,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:15:47,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:15:47,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:15:47,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:15:47,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:15:47" (1/1) ... [2023-08-30 13:15:47,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d90193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:47, skipping insertion in model container [2023-08-30 13:15:47,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:15:47" (1/1) ... [2023-08-30 13:15:47,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:15:47,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:15:47,322 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-08-30 13:15:49,069 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:15:49,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:15:49,376 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:15:49,384 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-08-30 13:15:49,508 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:15:49,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:15:50,047 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,047 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,047 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,047 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,047 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,048 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,048 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:15:50,052 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:15:50,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50 WrapperNode [2023-08-30 13:15:50,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:15:50,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:15:50,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:15:50,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:15:50,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,185 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 18, statements flattened = 358 [2023-08-30 13:15:50,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:15:50,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:15:50,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:15:50,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:15:50,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:15:50,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:15:50,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:15:50,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:15:50,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (1/1) ... [2023-08-30 13:15:50,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:15:50,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:15:50,274 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) [2023-08-30 13:15:50,317 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 [2023-08-30 13:15:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:15:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:15:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:15:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:15:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-08-30 13:15:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-08-30 13:15:50,329 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-08-30 13:15:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:15:50,330 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:15:50,659 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:15:50,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:15:51,081 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:15:51,087 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:15:51,088 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 13:15:51,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:15:51 BoogieIcfgContainer [2023-08-30 13:15:51,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:15:51,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:15:51,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:15:51,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:15:51,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:15:47" (1/3) ... [2023-08-30 13:15:51,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2ec8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:15:51, skipping insertion in model container [2023-08-30 13:15:51,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:15:50" (2/3) ... [2023-08-30 13:15:51,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2ec8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:15:51, skipping insertion in model container [2023-08-30 13:15:51,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:15:51" (3/3) ... [2023-08-30 13:15:51,094 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_write_nvram.i [2023-08-30 13:15:51,100 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:15:51,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:15:51,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 13:15:51,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d2ec8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:15:51, skipping insertion in model container [2023-08-30 13:15:51,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:15:51,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:15:51,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:15:51,108 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:15:51,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:15:51" (3/3) ... [2023-08-30 13:15:51,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:15:51,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_read_nvram [2023-08-30 13:15:51,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2023-08-30 13:15:51,118 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-08-30 13:15:51,119 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-08-30 13:15:51,119 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-08-30 13:15:51,119 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 13:15:51,119 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:15:51,151 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:15:51,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:15:51,156 INFO L158 Benchmark]: Toolchain (without parser) took 4126.01ms. Allocated memory was 83.9MB in the beginning and 161.5MB in the end (delta: 77.6MB). Free memory was 51.4MB in the beginning and 88.4MB in the end (delta: -37.0MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,158 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:15:51,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3031.90ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 51.0MB in the beginning and 50.4MB in the end (delta: 634.4kB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.52ms. Allocated memory is still 111.1MB. Free memory was 50.4MB in the beginning and 41.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,159 INFO L158 Benchmark]: Boogie Preprocessor took 65.07ms. Allocated memory is still 111.1MB. Free memory was 41.2MB in the beginning and 37.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,159 INFO L158 Benchmark]: RCFGBuilder took 837.75ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 36.3MB in the beginning and 96.0MB in the end (delta: -59.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,159 INFO L158 Benchmark]: TraceAbstraction took 17.06ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,160 INFO L158 Benchmark]: Witness Printer took 43.13ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 88.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 13:15:51,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3031.90ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 51.0MB in the beginning and 50.4MB in the end (delta: 634.4kB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.52ms. Allocated memory is still 111.1MB. Free memory was 50.4MB in the beginning and 41.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.07ms. Allocated memory is still 111.1MB. Free memory was 41.2MB in the beginning and 37.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 837.75ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 36.3MB in the beginning and 96.0MB in the end (delta: -59.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 17.06ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 43.13ms. Allocated memory is still 161.5MB. Free memory was 93.6MB in the beginning and 88.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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! [2023-08-30 13:15:51,180 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