./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix006.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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 ../sv-benchmarks/c/pthread-wmm/mix006.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:22,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:22,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:22,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:22,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:22,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:22,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:22,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:22,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:22,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:22,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:22,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:22,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:22,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:22,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:22,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:22,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:22,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:22,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:22,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:22,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:22,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:22,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:22,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:22,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:22,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:22,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:22,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:22,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:22,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:22,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:22,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:22,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:22,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:22,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:22,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:22,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:22,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:22,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:22,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:22,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:22,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:22:22,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:22,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:22,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:22,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:22,556 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:22,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:22,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:22,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:22,557 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:22,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:22,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:22,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:22:22,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:22,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:22,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:22,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:22,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:22,560 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:22,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:22,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:22,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:22,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:22,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:22,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:22,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:22,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:22,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:22,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:22,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:22:22,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:22:22,563 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:22,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:22,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:22,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:22,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 [2021-12-15 12:22:22,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:22,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:22,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:22,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:22,857 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:22,858 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-12-15 12:22:22,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c795d1d/b461e1cc544b49749fafe5d432187c30/FLAG54eb471ea [2021-12-15 12:22:23,378 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:23,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-12-15 12:22:23,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c795d1d/b461e1cc544b49749fafe5d432187c30/FLAG54eb471ea [2021-12-15 12:22:23,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c795d1d/b461e1cc544b49749fafe5d432187c30 [2021-12-15 12:22:23,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:23,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:23,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:23,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:23,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:23,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:23" (1/1) ... [2021-12-15 12:22:23,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18954c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:23, skipping insertion in model container [2021-12-15 12:22:23,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:23" (1/1) ... [2021-12-15 12:22:23,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:23,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:24,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-12-15 12:22:24,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:24,296 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:24,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-12-15 12:22:24,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:24,398 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:24,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24 WrapperNode [2021-12-15 12:22:24,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:24,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:24,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:24,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:24,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,482 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 280 [2021-12-15 12:22:24,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:24,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:24,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:24,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:24,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:24,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:24,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:24,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:24,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:24" (1/1) ... [2021-12-15 12:22:24,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:24,563 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) [2021-12-15 12:22:24,579 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 [2021-12-15 12:22:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:24,603 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:24,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:24,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:24,606 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:22:24,756 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:24,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:25,304 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:25,396 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 12:22:25,400 INFO L158 Benchmark]: Toolchain (without parser) took 1516.74ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 64.3MB in the beginning and 96.9MB in the end (delta: -32.6MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:25,401 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:25,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.17ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 65.3MB in the end (delta: -1.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:25,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.89ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 62.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:25,403 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:25,403 INFO L158 Benchmark]: RCFGBuilder took 877.66ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 96.9MB in the end (delta: -37.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-12-15 12:22:25,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.17ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 65.3MB in the end (delta: -1.1MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.89ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 62.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 102.8MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 877.66ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 96.9MB in the end (delta: -37.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:25,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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 ../sv-benchmarks/c/pthread-wmm/mix006.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:27,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:27,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:27,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:27,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:27,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:27,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:27,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:27,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:27,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:27,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:27,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:27,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:27,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:27,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:27,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:27,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:27,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:27,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:27,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:27,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:27,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:27,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:27,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:27,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:27,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:27,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:27,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:27,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:27,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:27,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:27,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:27,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:27,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:27,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:27,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:27,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:27,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:27,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:27,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:27,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:27,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:27,434 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:27,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:27,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:27,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:27,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:27,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:27,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:27,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:27,438 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:27,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:27,439 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:27,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:27,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:27,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:27,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:27,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:27,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:27,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:27,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:27,440 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:27,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:27,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:27,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:27,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:27,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:27,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:27,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:27,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:27,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:27,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:27,450 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:27,450 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:27,451 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:27,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:27,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:27,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:27,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:27,452 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 557c1f2fab4f7585e181c0a50145e0f2efcca52cad7f093489c012afed407365 [2021-12-15 12:22:27,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:27,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:27,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:27,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:27,798 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:27,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-12-15 12:22:27,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c9e2f28/3a099cd0d6a042019672ad0f469b373e/FLAGf331b071b [2021-12-15 12:22:28,398 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:28,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006.opt.i [2021-12-15 12:22:28,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c9e2f28/3a099cd0d6a042019672ad0f469b373e/FLAGf331b071b [2021-12-15 12:22:28,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35c9e2f28/3a099cd0d6a042019672ad0f469b373e [2021-12-15 12:22:28,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:28,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:28,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:28,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:28,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:28,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:28" (1/1) ... [2021-12-15 12:22:28,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ddaa21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:28, skipping insertion in model container [2021-12-15 12:22:28,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:28" (1/1) ... [2021-12-15 12:22:28,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:28,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-12-15 12:22:29,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:29,337 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:29,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix006.opt.i[944,957] [2021-12-15 12:22:29,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:29,460 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:29,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29 WrapperNode [2021-12-15 12:22:29,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:29,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:29,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:29,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:29,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,550 INFO L137 Inliner]: procedures = 179, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 281 [2021-12-15 12:22:29,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:29,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:29,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:29,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:29,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:29,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:29,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:29,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:29,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:29" (1/1) ... [2021-12-15 12:22:29,628 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:29,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:29,652 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) [2021-12-15 12:22:29,679 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 [2021-12-15 12:22:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:29,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:29,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:29,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:29,705 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:22:29,854 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:29,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:30,327 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:30,419 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 12:22:30,425 INFO L158 Benchmark]: Toolchain (without parser) took 1599.50ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.7MB in the beginning and 40.9MB in the end (delta: -13.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:22:30,426 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:30,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.87ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 36.7MB in the end (delta: -9.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:30,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.27ms. Allocated memory is still 67.1MB. Free memory was 36.6MB in the beginning and 47.3MB in the end (delta: -10.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:30,428 INFO L158 Benchmark]: Boogie Preprocessor took 62.97ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 44.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:30,429 INFO L158 Benchmark]: RCFGBuilder took 803.75ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 40.9MB in the end (delta: 3.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:30,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.87ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 36.7MB in the end (delta: -9.2MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.27ms. Allocated memory is still 67.1MB. Free memory was 36.6MB in the beginning and 47.3MB in the end (delta: -10.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.97ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 44.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 803.75ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 40.9MB in the end (delta: 3.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:30,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable