./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix039.oepc.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/mix039.oepc.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 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:21,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:21,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:21,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:21,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:21,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:21,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:21,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:21,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:21,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:21,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:21,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:21,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:21,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:21,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:21,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:21,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:21,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:21,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:21,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:21,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:21,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:21,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:21,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:21,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:21,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:21,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:21,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:21,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:21,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:21,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:21,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:21,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:21,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:21,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:21,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:21,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:21,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:21,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:21,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:21,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:21,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:23:21,707 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:21,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:21,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:21,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:21,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:21,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:21,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:21,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:21,710 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:21,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:21,711 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:21,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:23:21,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:21,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:21,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:21,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:21,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:21,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:21,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:21,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:21,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:21,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:21,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:21,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:21,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:21,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:21,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:21,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:21,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:23:21,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:23:21,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:21,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:21,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:21,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:21,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b [2021-12-15 12:23:21,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:21,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:21,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:21,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:21,981 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:21,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2021-12-15 12:23:22,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd2de1da/d85835e0f3d14c139241740e36486eb0/FLAG370f30670 [2021-12-15 12:23:22,505 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:22,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2021-12-15 12:23:22,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd2de1da/d85835e0f3d14c139241740e36486eb0/FLAG370f30670 [2021-12-15 12:23:22,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd2de1da/d85835e0f3d14c139241740e36486eb0 [2021-12-15 12:23:22,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:22,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:22,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:22,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:22,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:22,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:22" (1/1) ... [2021-12-15 12:23:22,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c612cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:22, skipping insertion in model container [2021-12-15 12:23:22,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:22" (1/1) ... [2021-12-15 12:23:22,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:22,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:23,032 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/mix039.oepc.i[945,958] [2021-12-15 12:23:23,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:23,266 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:23,279 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/mix039.oepc.i[945,958] [2021-12-15 12:23:23,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:23,399 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:23,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23 WrapperNode [2021-12-15 12:23:23,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:23,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:23,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:23,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:23,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,466 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2021-12-15 12:23:23,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:23,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:23,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:23,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:23,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:23,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:23,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:23,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:23,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:23" (1/1) ... [2021-12-15 12:23:23,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:23,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:23,551 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 12:23:23,555 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 12:23:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:23:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:23,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:23:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:23:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:23:23,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:23:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:23:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:23,592 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 12:23:23,753 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:23,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:24,200 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:24,294 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 12:23:24,302 INFO L158 Benchmark]: Toolchain (without parser) took 1425.83ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 53.2MB in the beginning and 41.8MB in the end (delta: 11.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-12-15 12:23:24,303 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:24,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.40ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 53.0MB in the beginning and 83.8MB in the end (delta: -30.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-12-15 12:23:24,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.75ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 81.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:24,307 INFO L158 Benchmark]: Boogie Preprocessor took 42.83ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 79.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:24,307 INFO L158 Benchmark]: RCFGBuilder took 789.06ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 41.8MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 12:23:24,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.40ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 53.0MB in the beginning and 83.8MB in the end (delta: -30.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.75ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 81.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.83ms. Allocated memory is still 111.1MB. Free memory was 81.5MB in the beginning and 79.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 789.06ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 41.8MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. 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 12:23:24,362 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 ../sv-benchmarks/c/pthread-wmm/mix039.oepc.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 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:26,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:26,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:26,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:26,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:26,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:26,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:26,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:26,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:26,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:26,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:26,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:26,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:26,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:26,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:26,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:26,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:26,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:26,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:26,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:26,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:26,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:26,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:26,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:26,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:26,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:26,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:26,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:26,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:26,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:26,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:26,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:26,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:26,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:26,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:26,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:26,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:26,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:26,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:26,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:26,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:26,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:23:26,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:26,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:26,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:26,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:26,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:26,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:26,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:26,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:26,462 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:26,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:26,464 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:26,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:26,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:26,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:26,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:26,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:26,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:23:26,465 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:23:26,465 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:23:26,465 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:26,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:26,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:26,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:26,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:26,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:26,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:26,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:26,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:26,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:26,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:26,468 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:23:26,468 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:23:26,468 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:26,468 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:26,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:26,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:26,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:23:26,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b [2021-12-15 12:23:26,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:26,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:26,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:26,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:26,851 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:26,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2021-12-15 12:23:26,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8074ada/ae677763b16b451084374ce5b12c5240/FLAGcce7e67cb [2021-12-15 12:23:27,438 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:27,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2021-12-15 12:23:27,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8074ada/ae677763b16b451084374ce5b12c5240/FLAGcce7e67cb [2021-12-15 12:23:27,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b8074ada/ae677763b16b451084374ce5b12c5240 [2021-12-15 12:23:27,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:27,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:27,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:27,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:27,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:27,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:27" (1/1) ... [2021-12-15 12:23:27,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b40c5fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:27, skipping insertion in model container [2021-12-15 12:23:27,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:27" (1/1) ... [2021-12-15 12:23:27,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:27,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:27,953 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/mix039.oepc.i[945,958] [2021-12-15 12:23:28,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:28,152 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:28,163 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/mix039.oepc.i[945,958] [2021-12-15 12:23:28,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:28,246 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:28,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28 WrapperNode [2021-12-15 12:23:28,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:28,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:28,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:28,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:28,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,304 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 195 [2021-12-15 12:23:28,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:28,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:28,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:28,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:28,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:28,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:28,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:28,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:28,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:28" (1/1) ... [2021-12-15 12:23:28,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:28,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:28,425 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 12:23:28,433 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 12:23:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:23:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:23:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:23:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:23:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:23:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:23:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:28,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:28,473 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 12:23:28,712 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:28,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:29,261 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:29,332 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 12:23:29,339 INFO L158 Benchmark]: Toolchain (without parser) took 1577.98ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 42.0MB in the end (delta: -9.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:29,340 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:29,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.47ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.7MB in the beginning and 37.5MB in the end (delta: -4.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-12-15 12:23:29,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.50ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 48.4MB in the end (delta: -11.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-15 12:23:29,342 INFO L158 Benchmark]: Boogie Preprocessor took 66.39ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 45.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:29,343 INFO L158 Benchmark]: RCFGBuilder took 964.97ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 42.0MB in the end (delta: 3.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-12-15 12:23:29,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.47ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 32.7MB in the beginning and 37.5MB in the end (delta: -4.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.50ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 48.4MB in the end (delta: -11.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.39ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 45.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 964.97ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 42.0MB in the end (delta: 3.7MB). 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 12:23:29,377 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: Set is immutable