./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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_nvram_unlocked_ioctl_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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 05:39:00,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 05:39:00,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 05:39:00,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 05:39:00,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 05:39:00,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 05:39:00,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 05:39:00,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 05:39:00,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 05:39:00,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 05:39:00,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 05:39:00,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 05:39:00,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 05:39:00,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 05:39:00,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 05:39:00,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 05:39:00,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 05:39:00,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 05:39:00,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 05:39:00,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 05:39:00,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 05:39:00,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 05:39:00,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 05:39:00,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 05:39:00,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 05:39:00,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 05:39:00,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 05:39:00,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 05:39:00,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 05:39:00,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 05:39:00,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 05:39:00,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 05:39:00,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 05:39:00,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 05:39:00,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 05:39:00,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 05:39:00,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 05:39:00,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 05:39:00,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 05:39:00,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 05:39:00,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 05:39:00,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 05:39:00,220 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 05:39:00,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 05:39:00,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 05:39:00,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 05:39:00,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 05:39:00,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 05:39:00,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 05:39:00,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 05:39:00,226 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 05:39:00,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 05:39:00,227 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 05:39:00,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 05:39:00,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 05:39:00,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 05:39:00,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 05:39:00,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 05:39:00,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 05:39:00,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 05:39:00,228 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 05:39:00,228 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 05:39:00,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 05:39:00,229 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 05:39:00,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 05:39:00,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 05:39:00,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 05:39:00,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 05:39:00,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:39:00,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 05:39:00,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 05:39:00,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 05:39:00,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 05:39:00,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 05:39:00,231 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 05:39:00,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 05:39:00,231 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 05:39:00,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 05:39:00,232 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 05:39:00,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 05:39:00,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 05:39:00,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 05:39:00,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 05:39:00,556 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 05:39:00,556 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 05:39:00,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-09-01 05:39:01,717 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 05:39:02,209 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 05:39:02,210 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-09-01 05:39:02,251 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06b88f2dd/0ad90bec994649fca430e20b44278e16/FLAG7747de132 [2023-09-01 05:39:02,268 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06b88f2dd/0ad90bec994649fca430e20b44278e16 [2023-09-01 05:39:02,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 05:39:02,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 05:39:02,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 05:39:02,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 05:39:02,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 05:39:02,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:39:02" (1/1) ... [2023-09-01 05:39:02,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26dea064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:02, skipping insertion in model container [2023-09-01 05:39:02,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 05:39:02" (1/1) ... [2023-09-01 05:39:02,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 05:39:02,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 05:39:02,631 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-09-01 05:39:05,301 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-09-01 05:39:05,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:39:05,948 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 05:39:05,973 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_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2023-09-01 05:39:06,150 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-09-01 05:39:06,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 05:39:06,761 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,761 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,762 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,762 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,762 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,762 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,762 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 05:39:06,768 INFO L208 MainTranslator]: Completed translation [2023-09-01 05:39:06,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06 WrapperNode [2023-09-01 05:39:06,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 05:39:06,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 05:39:06,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 05:39:06,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 05:39:06,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:06,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:06,944 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 323 [2023-09-01 05:39:06,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 05:39:06,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 05:39:06,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 05:39:06,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 05:39:06,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:06,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:06,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:06,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:06,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:07,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:07,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:07,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:07,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 05:39:07,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 05:39:07,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 05:39:07,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 05:39:07,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (1/1) ... [2023-09-01 05:39:07,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 05:39:07,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 05:39:07,071 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) [2023-09-01 05:39:07,100 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 [2023-09-01 05:39:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 05:39:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 05:39:07,112 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-09-01 05:39:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-09-01 05:39:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 05:39:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 05:39:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 05:39:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-09-01 05:39:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 05:39:07,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 05:39:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 05:39:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 05:39:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 05:39:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-09-01 05:39:07,114 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2023-09-01 05:39:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2023-09-01 05:39:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 05:39:07,117 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 05:39:07,635 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 05:39:07,637 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 05:39:08,102 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 05:39:08,140 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 05:39:08,140 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-09-01 05:39:08,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:39:08 BoogieIcfgContainer [2023-09-01 05:39:08,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 05:39:08,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 05:39:08,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 05:39:08,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 05:39:08,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 05:39:02" (1/3) ... [2023-09-01 05:39:08,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e27ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:39:08, skipping insertion in model container [2023-09-01 05:39:08,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 05:39:06" (2/3) ... [2023-09-01 05:39:08,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e27ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 05:39:08, skipping insertion in model container [2023-09-01 05:39:08,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:39:08" (3/3) ... [2023-09-01 05:39:08,153 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2023-09-01 05:39:08,161 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 05:39:08,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 05:39:08,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-09-01 05:39:08,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e27ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 05:39:08, skipping insertion in model container [2023-09-01 05:39:08,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 05:39:08,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 05:39:08,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 05:39:08,173 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 05:39:08,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 05:39:08" (3/3) ... [2023-09-01 05:39:08,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 05:39:08,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2023-09-01 05:39:08,182 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2023-09-01 05:39:08,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-09-01 05:39:08,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-09-01 05:39:08,189 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-09-01 05:39:08,190 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 05:39:08,190 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 05:39:08,238 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 05:39:08,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 05:39:08,242 INFO L158 Benchmark]: Toolchain (without parser) took 5968.58ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 50.2MB in the beginning and 49.8MB in the end (delta: 422.0kB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-09-01 05:39:08,242 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:39:08,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4494.15ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 50.2MB in the beginning and 71.9MB in the end (delta: -21.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-09-01 05:39:08,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.80ms. Allocated memory is still 132.1MB. Free memory was 71.9MB in the beginning and 62.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-09-01 05:39:08,243 INFO L158 Benchmark]: Boogie Preprocessor took 91.28ms. Allocated memory is still 132.1MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:39:08,243 INFO L158 Benchmark]: RCFGBuilder took 1103.75ms. Allocated memory is still 132.1MB. Free memory was 58.3MB in the beginning and 57.5MB in the end (delta: 836.2kB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-09-01 05:39:08,244 INFO L158 Benchmark]: TraceAbstraction took 25.28ms. Allocated memory is still 132.1MB. Free memory was 56.2MB in the beginning and 54.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 05:39:08,244 INFO L158 Benchmark]: Witness Printer took 67.98ms. Allocated memory is still 132.1MB. Free memory was 54.1MB in the beginning and 49.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 05:39:08,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4494.15ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 50.2MB in the beginning and 71.9MB in the end (delta: -21.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.80ms. Allocated memory is still 132.1MB. Free memory was 71.9MB in the beginning and 62.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.28ms. Allocated memory is still 132.1MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1103.75ms. Allocated memory is still 132.1MB. Free memory was 58.3MB in the beginning and 57.5MB in the end (delta: 836.2kB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25.28ms. Allocated memory is still 132.1MB. Free memory was 56.2MB in the beginning and 54.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.98ms. Allocated memory is still 132.1MB. Free memory was 54.1MB in the beginning and 49.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. 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! [2023-09-01 05:39:08,262 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