./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:27:32,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:27:32,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:27:32,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:27:32,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:27:32,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:27:32,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:27:32,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:27:32,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:27:32,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:27:32,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:27:32,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:27:32,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:27:32,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:27:32,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:27:32,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:27:32,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:27:32,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:27:32,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:27:32,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:27:32,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:27:32,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:27:32,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:27:32,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:27:32,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:27:32,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:27:32,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:27:32,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:27:32,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:27:32,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:27:32,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:27:32,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:27:32,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:27:32,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:27:32,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:27:32,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:27:32,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:27:32,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:27:32,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:27:32,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:27:32,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:27:32,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:27:32,621 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:27:32,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:27:32,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:27:32,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:27:32,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:27:32,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:27:32,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:27:32,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:27:32,624 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:27:32,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:27:32,625 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:27:32,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:27:32,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:27:32,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:27:32,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:27:32,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:27:32,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:27:32,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:27:32,627 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:27:32,627 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:27:32,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:27:32,627 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:27:32,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:27:32,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:27:32,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:27:32,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:27:32,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:32,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:27:32,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:27:32,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:27:32,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:27:32,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:27:32,630 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:27:32,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:27:32,630 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:27:32,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:27:32,630 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:27:32,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:27:32,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:27:32,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:27:32,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:27:32,918 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:27:32,919 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:27:32,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-29 09:27:33,998 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:27:34,255 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:27:34,255 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-29 09:27:34,267 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0212b62/cf41975ac14240d9a2f2b4e9b3987206/FLAG4dce8cc69 [2023-08-29 09:27:34,281 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b0212b62/cf41975ac14240d9a2f2b4e9b3987206 [2023-08-29 09:27:34,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:27:34,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:27:34,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:34,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:27:34,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:27:34,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fcb3076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34, skipping insertion in model container [2023-08-29 09:27:34,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:27:34,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:27:34,512 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:27:34,676 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-ext/02_inc_cas.i[30873,30886] [2023-08-29 09:27:34,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:34,687 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:27:34,707 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:27:34,737 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-ext/02_inc_cas.i[30873,30886] [2023-08-29 09:27:34,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:34,770 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:34,770 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:34,770 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:34,792 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:27:34,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34 WrapperNode [2023-08-29 09:27:34,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:34,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:34,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:27:34,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:27:34,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,878 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-08-29 09:27:34,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:34,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:27:34,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:27:34,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:27:34,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,916 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:27:34,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:27:34,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:27:34,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:27:34,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:34" (1/1) ... [2023-08-29 09:27:34,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:34,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:27:34,955 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) [2023-08-29 09:27:34,967 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 [2023-08-29 09:27:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:27:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:27:34,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:27:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:27:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:27:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:27:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:27:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:27:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:27:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:27:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:27:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:27:34,993 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:27:35,158 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:27:35,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:27:35,373 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:27:35,565 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:27:35,566 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:27:35,566 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2023-08-29 09:27:35,567 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:27:35,570 INFO L158 Benchmark]: Toolchain (without parser) took 1285.40ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 43.5MB in the end (delta: 13.0MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2023-08-29 09:27:35,571 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:27:35,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.02ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 58.5MB in the end (delta: -2.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-08-29 09:27:35,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.88ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:27:35,572 INFO L158 Benchmark]: Boogie Preprocessor took 43.63ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:27:35,573 INFO L158 Benchmark]: RCFGBuilder took 642.45ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 43.5MB in the end (delta: 10.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-08-29 09:27:35,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.02ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 58.5MB in the end (delta: -2.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.88ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 56.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.63ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 54.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.45ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 43.5MB in the end (delta: 10.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:27:35,604 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:27:37,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:27:37,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:27:37,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:27:37,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:27:37,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:27:37,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:27:37,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:27:37,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:27:37,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:27:37,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:27:37,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:27:37,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:27:37,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:27:37,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:27:37,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:27:37,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:27:37,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:27:37,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:27:37,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:27:37,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:27:37,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:27:37,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:27:37,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:27:37,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:27:37,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:27:37,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:27:37,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:27:37,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:27:37,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:27:37,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:27:37,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:27:37,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:27:37,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:27:37,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:27:37,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:27:37,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:27:37,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:27:37,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:27:37,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:27:37,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:27:37,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:27:37,563 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:27:37,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:27:37,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:27:37,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:27:37,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:27:37,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:27:37,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:27:37,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:27:37,566 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:27:37,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:27:37,567 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:27:37,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:27:37,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:27:37,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:27:37,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:27:37,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:27:37,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:27:37,569 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:27:37,569 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:27:37,569 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:27:37,569 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:27:37,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:27:37,569 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:27:37,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:27:37,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:27:37,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:27:37,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:27:37,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:37,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:27:37,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:27:37,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:27:37,571 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:27:37,571 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:27:37,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:27:37,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:27:37,572 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:27:37,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:27:37,572 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:27:37,573 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:27:37,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 09:27:37,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:27:37,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:27:37,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:27:37,853 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:27:37,853 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:27:37,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-29 09:27:39,014 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:27:39,311 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:27:39,314 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-29 09:27:39,329 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a92be46/6f311bede5d6469681e2cb76697e10c4/FLAG2f594d0cd [2023-08-29 09:27:39,341 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19a92be46/6f311bede5d6469681e2cb76697e10c4 [2023-08-29 09:27:39,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:27:39,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:27:39,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:39,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:27:39,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:27:39,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d7e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39, skipping insertion in model container [2023-08-29 09:27:39,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:27:39,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:27:39,527 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:27:39,668 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-ext/02_inc_cas.i[30873,30886] [2023-08-29 09:27:39,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:39,684 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:27:39,709 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-29 09:27:39,741 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-ext/02_inc_cas.i[30873,30886] [2023-08-29 09:27:39,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:27:39,777 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:39,778 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:39,778 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:27:39,783 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:27:39,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39 WrapperNode [2023-08-29 09:27:39,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:27:39,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:39,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:27:39,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:27:39,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,844 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2023-08-29 09:27:39,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:27:39,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:27:39,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:27:39,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:27:39,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:27:39,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:27:39,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:27:39,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:27:39,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:27:39" (1/1) ... [2023-08-29 09:27:39,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:27:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:27:39,910 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) [2023-08-29 09:27:39,943 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 [2023-08-29 09:27:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:27:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-29 09:27:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-29 09:27:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:27:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:27:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:27:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:27:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:27:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:27:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 09:27:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:27:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:27:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:27:39,966 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:27:40,163 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:27:40,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:27:40,392 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:27:40,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:27:40,608 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:27:40,609 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2023-08-29 09:27:40,610 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:27:40,615 INFO L158 Benchmark]: Toolchain (without parser) took 1270.36ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 39.1MB in the beginning and 41.9MB in the end (delta: -2.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-29 09:27:40,616 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:27:40,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.96ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 32.7MB in the end (delta: 6.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-29 09:27:40,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.67ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 30.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:27:40,618 INFO L158 Benchmark]: Boogie Preprocessor took 31.08ms. Allocated memory is still 62.9MB. Free memory was 30.1MB in the beginning and 27.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:27:40,619 INFO L158 Benchmark]: RCFGBuilder took 733.22ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 27.5MB in the beginning and 41.9MB in the end (delta: -14.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-08-29 09:27:40,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 46.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.96ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 32.7MB in the end (delta: 6.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.67ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 30.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.08ms. Allocated memory is still 62.9MB. Free memory was 30.1MB in the beginning and 27.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 733.22ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 27.5MB in the beginning and 41.9MB in the end (delta: -14.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:27:40,652 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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?