./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 DEFORE --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 DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:17:06,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:06,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:06,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:06,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:06,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:06,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:06,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:06,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:06,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:06,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:06,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:06,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:06,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:06,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:06,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:06,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:06,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:06,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:06,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:06,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:06,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:06,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:06,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:06,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:06,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:06,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:06,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:06,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:06,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:06,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:06,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:06,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:06,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:06,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:06,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:06,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:06,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:06,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:06,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:06,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:06,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:17:06,775 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:06,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:06,777 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:06,777 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:06,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:06,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:06,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:06,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:06,779 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:06,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:06,780 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:06,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:06,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:17:06,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:06,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:06,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:06,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:06,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:06,782 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:06,782 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:06,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:06,782 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:06,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:06,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:06,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:06,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:06,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:06,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:06,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:06,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:06,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:17:06,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:17:06,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:06,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:06,785 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:06,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:06,785 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:06,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:07,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:07,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:07,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:07,126 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:07,126 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:07,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2023-08-30 12:17:08,362 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:08,672 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:08,675 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2023-08-30 12:17:08,693 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c881dd745/0ebc2086f09b4be9b3911ce11b33e8a4/FLAG6e714e44e [2023-08-30 12:17:08,712 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c881dd745/0ebc2086f09b4be9b3911ce11b33e8a4 [2023-08-30 12:17:08,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:08,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:08,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:08,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:08,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:08,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:08" (1/1) ... [2023-08-30 12:17:08,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f89d981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:08, skipping insertion in model container [2023-08-30 12:17:08,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:08" (1/1) ... [2023-08-30 12:17:08,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:08,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:08,976 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 12:17:09,163 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] [2023-08-30 12:17:09,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:09,192 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:09,204 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 12:17:09,221 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] [2023-08-30 12:17:09,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:09,318 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:09,318 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:09,318 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:09,323 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:09,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09 WrapperNode [2023-08-30 12:17:09,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:09,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:09,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:09,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:09,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,362 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-08-30 12:17:09,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:09,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:09,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:09,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:09,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:09,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:09,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:09,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:09,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:09,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:09,424 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 12:17:09,427 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 12:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:17:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-08-30 12:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-08-30 12:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:17:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:17:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:17:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:17:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:09,456 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 12:17:09,592 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:09,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:09,799 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:09,805 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:09,806 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:17:09,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:09 BoogieIcfgContainer [2023-08-30 12:17:09,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:09,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:09,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:09,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:09,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:08" (1/3) ... [2023-08-30 12:17:09,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275178e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:09, skipping insertion in model container [2023-08-30 12:17:09,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09" (2/3) ... [2023-08-30 12:17:09,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275178e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:09, skipping insertion in model container [2023-08-30 12:17:09,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:09" (3/3) ... [2023-08-30 12:17:09,816 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-08-30 12:17:09,823 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:09,832 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:09,832 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-08-30 12:17:09,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275178e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 12:17:09, skipping insertion in model container [2023-08-30 12:17:09,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 12:17:09,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 12:17:09,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 12:17:09,835 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 12:17:09,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:09" (3/3) ... [2023-08-30 12:17:09,838 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 12:17:09,844 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-08-30 12:17:09,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-08-30 12:17:09,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-08-30 12:17:09,845 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-08-30 12:17:09,848 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-08-30 12:17:09,849 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-08-30 12:17:09,849 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 12:17:09,849 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 12:17:09,881 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 12:17:09,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 12:17:09,885 INFO L158 Benchmark]: Toolchain (without parser) took 1165.76ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.5MB in the beginning and 43.8MB in the end (delta: 7.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,886 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:09,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.83ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.2MB in the beginning and 69.5MB in the end (delta: -18.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.33ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,888 INFO L158 Benchmark]: Boogie Preprocessor took 25.92ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,889 INFO L158 Benchmark]: RCFGBuilder took 418.67ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 49.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,890 INFO L158 Benchmark]: TraceAbstraction took 23.92ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 46.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,893 INFO L158 Benchmark]: Witness Printer took 46.43ms. Allocated memory is still 102.8MB. Free memory was 46.1MB in the beginning and 43.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:09,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.83ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 51.2MB in the beginning and 69.5MB in the end (delta: -18.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.33ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.92ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.67ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 49.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 23.92ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 46.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 46.43ms. Allocated memory is still 102.8MB. Free memory was 46.1MB in the beginning and 43.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. 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 12:17:09,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE