./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 BEFORE --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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 11:28:38,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 11:28:38,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 11:28:38,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 11:28:38,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 11:28:38,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 11:28:38,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 11:28:38,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 11:28:38,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 11:28:38,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 11:28:38,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 11:28:38,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 11:28:38,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 11:28:38,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 11:28:38,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 11:28:38,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 11:28:38,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 11:28:38,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 11:28:38,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 11:28:38,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 11:28:38,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 11:28:38,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 11:28:38,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 11:28:38,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 11:28:38,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 11:28:38,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 11:28:38,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 11:28:38,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 11:28:38,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 11:28:38,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 11:28:38,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 11:28:38,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 11:28:38,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 11:28:38,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 11:28:38,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 11:28:38,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 11:28:38,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 11:28:38,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 11:28:38,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 11:28:38,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 11:28:38,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 11:28:38,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 11:28:38,672 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 11:28:38,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 11:28:38,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 11:28:38,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 11:28:38,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 11:28:38,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 11:28:38,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 11:28:38,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 11:28:38,675 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 11:28:38,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 11:28:38,676 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 11:28:38,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 11:28:38,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 11:28:38,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 11:28:38,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 11:28:38,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 11:28:38,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 11:28:38,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 11:28:38,678 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 11:28:38,678 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 11:28:38,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 11:28:38,678 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 11:28:38,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 11:28:38,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 11:28:38,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 11:28:38,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 11:28:38,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:28:38,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 11:28:38,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 11:28:38,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 11:28:38,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 11:28:38,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 11:28:38,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 11:28:38,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 11:28:38,681 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 11:28:38,681 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 11:28:38,681 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 11:28:38,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 11:28:38,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 11:28:38,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 11:28:38,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 11:28:38,981 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 11:28:38,982 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 11:28:38,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-31 11:28:40,069 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 11:28:40,310 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 11:28:40,310 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-31 11:28:40,323 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99723f52/6e6c3ce7f4a8488d930ebc008baecae1/FLAG5e8d1f5ff [2023-08-31 11:28:40,344 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d99723f52/6e6c3ce7f4a8488d930ebc008baecae1 [2023-08-31 11:28:40,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 11:28:40,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 11:28:40,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 11:28:40,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 11:28:40,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 11:28:40,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507e892c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40, skipping insertion in model container [2023-08-31 11:28:40,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 11:28:40,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 11:28:40,593 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 11:28:40,732 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] [2023-08-31 11:28:40,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:28:40,744 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 11:28:40,767 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 11:28:40,801 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] [2023-08-31 11:28:40,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:28:40,842 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:28:40,842 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:28:40,842 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:28:40,848 INFO L208 MainTranslator]: Completed translation [2023-08-31 11:28:40,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40 WrapperNode [2023-08-31 11:28:40,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 11:28:40,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 11:28:40,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 11:28:40,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 11:28:40,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,909 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-08-31 11:28:40,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 11:28:40,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 11:28:40,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 11:28:40,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 11:28:40,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 11:28:40,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 11:28:40,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 11:28:40,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 11:28:40,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:40" (1/1) ... [2023-08-31 11:28:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:28:40,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 11:28:40,995 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) [2023-08-31 11:28:41,006 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 [2023-08-31 11:28:41,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-31 11:28:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 11:28:41,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 11:28:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 11:28:41,031 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 11:28:41,132 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 11:28:41,134 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 11:28:41,399 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 11:28:41,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 11:28:41,568 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-31 11:28:41,569 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2023-08-31 11:28:41,570 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) [2023-08-31 11:28:41,582 INFO L158 Benchmark]: Toolchain (without parser) took 1232.64ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.7MB in the beginning and 42.8MB in the end (delta: -82.5kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-08-31 11:28:41,583 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 11:28:41,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.23ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.6MB in the beginning and 55.9MB in the end (delta: -13.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-31 11:28:41,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.68ms. Allocated memory is still 83.9MB. Free memory was 55.9MB in the beginning and 53.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:28:41,584 INFO L158 Benchmark]: Boogie Preprocessor took 28.32ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 51.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:28:41,585 INFO L158 Benchmark]: RCFGBuilder took 641.13ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 42.8MB in the end (delta: 8.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-08-31 11:28:41,588 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 67.1MB. Free memory was 44.1MB in the beginning and 44.1MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.23ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.6MB in the beginning and 55.9MB in the end (delta: -13.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.68ms. Allocated memory is still 83.9MB. Free memory was 55.9MB in the beginning and 53.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.32ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 51.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.13ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 42.8MB in the end (delta: 8.6MB). Peak memory consumption was 22.5MB. 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. [2023-08-31 11:28:41,609 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 BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 11:28:43,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 11:28:43,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 11:28:43,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 11:28:43,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 11:28:43,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 11:28:43,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 11:28:43,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 11:28:43,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 11:28:43,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 11:28:43,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 11:28:43,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 11:28:43,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 11:28:43,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 11:28:43,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 11:28:43,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 11:28:43,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 11:28:43,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 11:28:43,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 11:28:43,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 11:28:43,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 11:28:43,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 11:28:43,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 11:28:43,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 11:28:43,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 11:28:43,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 11:28:43,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 11:28:43,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 11:28:43,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 11:28:43,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 11:28:43,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 11:28:43,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 11:28:43,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 11:28:43,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 11:28:43,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 11:28:43,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 11:28:43,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 11:28:43,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 11:28:43,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 11:28:43,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 11:28:43,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 11:28:43,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-31 11:28:43,596 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 11:28:43,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 11:28:43,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 11:28:43,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 11:28:43,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 11:28:43,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 11:28:43,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 11:28:43,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 11:28:43,600 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 11:28:43,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 11:28:43,601 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 11:28:43,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 11:28:43,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 11:28:43,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 11:28:43,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 11:28:43,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 11:28:43,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 11:28:43,602 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 11:28:43,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-31 11:28:43,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-31 11:28:43,603 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 11:28:43,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 11:28:43,603 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 11:28:43,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 11:28:43,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 11:28:43,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 11:28:43,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 11:28:43,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:28:43,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 11:28:43,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 11:28:43,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 11:28:43,605 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-31 11:28:43,605 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-31 11:28:43,605 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 11:28:43,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 11:28:43,606 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 11:28:43,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 11:28:43,606 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-31 11:28:43,606 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 11:28:43,607 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 11:28:43,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 11:28:43,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 11:28:43,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 11:28:43,956 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 11:28:43,956 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 11:28:43,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-31 11:28:45,169 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 11:28:45,388 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 11:28:45,389 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-31 11:28:45,423 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231eb9f5b/4e732bc50c014cbc8a7b77a604fbc356/FLAG92efd072b [2023-08-31 11:28:45,440 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231eb9f5b/4e732bc50c014cbc8a7b77a604fbc356 [2023-08-31 11:28:45,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 11:28:45,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 11:28:45,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 11:28:45,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 11:28:45,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 11:28:45,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:45,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71280433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45, skipping insertion in model container [2023-08-31 11:28:45,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:45,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 11:28:45,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 11:28:45,687 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 11:28:45,847 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] [2023-08-31 11:28:45,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:28:45,869 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 11:28:45,888 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-31 11:28:45,913 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] [2023-08-31 11:28:45,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 11:28:45,959 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:28:45,959 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:28:45,959 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 11:28:45,965 INFO L208 MainTranslator]: Completed translation [2023-08-31 11:28:45,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45 WrapperNode [2023-08-31 11:28:45,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 11:28:45,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 11:28:45,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 11:28:45,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 11:28:45,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:45,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,012 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2023-08-31 11:28:46,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 11:28:46,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 11:28:46,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 11:28:46,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 11:28:46,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 11:28:46,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 11:28:46,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 11:28:46,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 11:28:46,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 11:28:45" (1/1) ... [2023-08-31 11:28:46,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 11:28:46,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 11:28:46,080 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) [2023-08-31 11:28:46,082 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 [2023-08-31 11:28:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-31 11:28:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-31 11:28:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-31 11:28:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 11:28:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 11:28:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 11:28:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 11:28:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-31 11:28:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-31 11:28:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-31 11:28:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 11:28:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 11:28:46,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 11:28:46,117 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 11:28:46,239 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 11:28:46,241 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 11:28:46,543 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 11:28:46,793 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 11:28:46,793 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-31 11:28:46,794 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-3 is neither atomic block end nor a sink node. [2023-08-31 11:28:46,794 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) [2023-08-31 11:28:46,799 INFO L158 Benchmark]: Toolchain (without parser) took 1353.15ms. Allocated memory is still 75.5MB. Free memory was 49.4MB in the beginning and 39.8MB in the end (delta: 9.7MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-08-31 11:28:46,800 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-31 11:28:46,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.30ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 46.6MB in the end (delta: 2.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-31 11:28:46,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.66ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 44.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-31 11:28:46,802 INFO L158 Benchmark]: Boogie Preprocessor took 37.77ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 41.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-31 11:28:46,803 INFO L158 Benchmark]: RCFGBuilder took 746.45ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-31 11:28:46,809 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 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.30ms. Allocated memory is still 75.5MB. Free memory was 49.2MB in the beginning and 46.6MB in the end (delta: 2.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.66ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 44.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.77ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 41.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 746.45ms. Allocated memory is still 75.5MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 19.3MB. 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. [2023-08-31 11:28:46,829 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?