./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.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/singleton_with-uninit-problems.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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --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 04:42:34,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 04:42:34,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 04:42:34,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 04:42:34,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 04:42:34,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 04:42:34,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 04:42:34,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 04:42:34,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 04:42:34,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 04:42:34,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 04:42:34,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 04:42:34,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 04:42:34,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 04:42:34,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 04:42:34,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 04:42:34,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 04:42:34,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 04:42:34,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 04:42:34,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 04:42:34,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 04:42:34,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 04:42:34,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 04:42:34,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 04:42:34,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 04:42:34,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 04:42:34,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 04:42:34,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 04:42:34,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 04:42:34,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 04:42:34,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 04:42:34,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 04:42:34,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 04:42:34,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 04:42:34,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 04:42:34,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 04:42:34,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 04:42:34,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 04:42:34,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 04:42:34,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 04:42:34,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 04:42:34,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 04:42:34,546 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 04:42:34,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 04:42:34,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 04:42:34,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 04:42:34,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 04:42:34,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 04:42:34,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 04:42:34,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 04:42:34,549 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 04:42:34,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 04:42:34,550 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 04:42:34,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 04:42:34,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 04:42:34,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 04:42:34,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 04:42:34,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 04:42:34,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 04:42:34,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 04:42:34,552 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 04:42:34,552 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 04:42:34,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 04:42:34,553 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 04:42:34,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 04:42:34,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 04:42:34,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 04:42:34,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 04:42:34,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 04:42:34,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 04:42:34,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 04:42:34,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 04:42:34,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 04:42:34,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 04:42:34,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 04:42:34,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 04:42:34,555 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 04:42:34,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 04:42:34,556 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 04:42:34,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 04:42:34,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 04:42:34,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 04:42:34,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 04:42:34,921 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 04:42:34,921 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 04:42:34,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2023-09-01 04:42:36,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 04:42:36,482 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 04:42:36,486 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2023-09-01 04:42:36,506 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f390eaa06/84b636729a734fdcab86892c76812fe7/FLAG466b03f08 [2023-09-01 04:42:36,525 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f390eaa06/84b636729a734fdcab86892c76812fe7 [2023-09-01 04:42:36,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 04:42:36,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 04:42:36,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 04:42:36,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 04:42:36,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 04:42:36,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 04:42:36" (1/1) ... [2023-09-01 04:42:36,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320c9452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:36, skipping insertion in model container [2023-09-01 04:42:36,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 04:42:36" (1/1) ... [2023-09-01 04:42:36,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 04:42:36,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 04:42:36,772 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 04:42:37,120 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/singleton_with-uninit-problems.i[55568,55581] [2023-09-01 04:42:37,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 04:42:37,165 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 04:42:37,212 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 04:42:37,223 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/singleton_with-uninit-problems.i[55568,55581] [2023-09-01 04:42:37,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 04:42:37,317 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 04:42:37,317 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 04:42:37,317 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 04:42:37,324 INFO L208 MainTranslator]: Completed translation [2023-09-01 04:42:37,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37 WrapperNode [2023-09-01 04:42:37,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 04:42:37,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 04:42:37,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 04:42:37,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 04:42:37,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,393 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-09-01 04:42:37,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 04:42:37,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 04:42:37,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 04:42:37,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 04:42:37,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 04:42:37,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 04:42:37,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 04:42:37,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 04:42:37,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (1/1) ... [2023-09-01 04:42:37,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 04:42:37,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 04:42:37,506 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 04:42:37,531 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 04:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 04:42:37,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 04:42:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 04:42:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 04:42:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 04:42:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-09-01 04:42:37,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-09-01 04:42:37,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-01 04:42:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-01 04:42:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-01 04:42:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-01 04:42:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-01 04:42:37,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-01 04:42:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 04:42:37,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 04:42:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 04:42:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 04:42:37,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 04:42:37,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 04:42:37,550 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 04:42:37,689 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 04:42:37,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 04:42:37,919 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 04:42:37,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 04:42:37,927 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-01 04:42:37,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 04:42:37 BoogieIcfgContainer [2023-09-01 04:42:37,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 04:42:37,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 04:42:37,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 04:42:37,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 04:42:37,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 04:42:36" (1/3) ... [2023-09-01 04:42:37,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc22c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 04:42:37, skipping insertion in model container [2023-09-01 04:42:37,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 04:42:37" (2/3) ... [2023-09-01 04:42:37,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc22c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 04:42:37, skipping insertion in model container [2023-09-01 04:42:37,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 04:42:37" (3/3) ... [2023-09-01 04:42:37,936 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-09-01 04:42:37,943 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 04:42:37,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 04:42:37,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-09-01 04:42:37,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bc22c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.09 04:42:37, skipping insertion in model container [2023-09-01 04:42:37,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-01 04:42:37,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-09-01 04:42:37,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-09-01 04:42:37,955 INFO L275 PluginConnector]: Witness Printer initialized [2023-09-01 04:42:37,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 04:42:37" (3/3) ... [2023-09-01 04:42:37,959 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-09-01 04:42:37,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-09-01 04:42:37,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-09-01 04:42:37,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-09-01 04:42:37,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-09-01 04:42:37,970 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-09-01 04:42:37,971 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-09-01 04:42:37,971 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-09-01 04:42:37,971 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-09-01 04:42:38,003 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-09-01 04:42:38,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-09-01 04:42:38,005 INFO L158 Benchmark]: Toolchain (without parser) took 1475.35ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 33.1MB in the end (delta: 17.7MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-09-01 04:42:38,005 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 04:42:38,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.35ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 35.4MB in the end (delta: 15.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-09-01 04:42:38,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.41ms. Allocated memory is still 75.5MB. Free memory was 35.4MB in the beginning and 33.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 04:42:38,007 INFO L158 Benchmark]: Boogie Preprocessor took 61.16ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 31.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 04:42:38,011 INFO L158 Benchmark]: RCFGBuilder took 472.64ms. Allocated memory is still 75.5MB. Free memory was 31.2MB in the beginning and 38.5MB in the end (delta: -7.3MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-09-01 04:42:38,012 INFO L158 Benchmark]: TraceAbstraction took 22.80ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 35.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 04:42:38,012 INFO L158 Benchmark]: Witness Printer took 49.02ms. Allocated memory is still 75.5MB. Free memory was 35.8MB in the beginning and 33.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-09-01 04:42:38,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.35ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 35.4MB in the end (delta: 15.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.41ms. Allocated memory is still 75.5MB. Free memory was 35.4MB in the beginning and 33.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.16ms. Allocated memory is still 75.5MB. Free memory was 33.0MB in the beginning and 31.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.64ms. Allocated memory is still 75.5MB. Free memory was 31.2MB in the beginning and 38.5MB in the end (delta: -7.3MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22.80ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 35.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 49.02ms. Allocated memory is still 75.5MB. Free memory was 35.8MB in the beginning and 33.1MB in the end (delta: 2.8MB). 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 04:42:38,035 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