./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix001.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/mix001.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 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:13,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:13,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:14,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:14,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:14,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:14,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:14,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:14,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:14,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:14,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:14,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:14,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:14,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:14,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:14,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:14,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:14,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:14,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:14,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:14,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:14,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:14,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:14,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:14,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:14,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:14,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:14,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:14,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:14,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:14,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:14,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:14,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:14,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:14,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:14,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:14,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:14,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:14,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:14,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:14,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:14,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:22:14,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:14,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:14,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:14,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:14,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:14,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:14,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:14,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:14,113 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:14,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:14,114 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:14,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:22:14,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:14,115 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:14,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:14,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:14,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:14,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:14,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:14,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:14,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:14,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:14,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:22:14,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:22:14,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:14,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:14,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:14,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:14,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 [2021-12-15 12:22:14,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:14,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:14,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:14,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:14,377 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:14,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-12-15 12:22:14,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc206103d/b8c76ed88ddf4457aa12a605fae8ec80/FLAGebdbd492a [2021-12-15 12:22:14,864 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:14,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-12-15 12:22:14,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc206103d/b8c76ed88ddf4457aa12a605fae8ec80/FLAGebdbd492a [2021-12-15 12:22:14,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc206103d/b8c76ed88ddf4457aa12a605fae8ec80 [2021-12-15 12:22:14,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:14,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:14,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:14,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:14,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:14,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:14" (1/1) ... [2021-12-15 12:22:14,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3545fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:14, skipping insertion in model container [2021-12-15 12:22:14,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:14" (1/1) ... [2021-12-15 12:22:14,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:14,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:15,063 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/mix001.oepc.i[988,1001] [2021-12-15 12:22:15,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:15,246 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:15,255 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/mix001.oepc.i[988,1001] [2021-12-15 12:22:15,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:15,334 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:15,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15 WrapperNode [2021-12-15 12:22:15,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:15,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:15,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:15,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:15,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,408 INFO L137 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 282 [2021-12-15 12:22:15,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:15,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:15,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:15,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:15,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:15,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:15,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:15,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:15,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:15" (1/1) ... [2021-12-15 12:22:15,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:15,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:15,493 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 12:22:15,509 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 12:22:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:15,524 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 12:22:15,671 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:15,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:16,199 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:16,254 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 12:22:16,257 INFO L158 Benchmark]: Toolchain (without parser) took 1359.68ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 64.3MB in the beginning and 68.5MB in the end (delta: -4.2MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:16,257 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:16,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.98ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 74.3MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:22:16,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.40ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 71.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:16,259 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 113.2MB. Free memory was 71.1MB in the beginning and 68.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:16,259 INFO L158 Benchmark]: RCFGBuilder took 796.52ms. Allocated memory is still 113.2MB. Free memory was 68.4MB in the beginning and 68.5MB in the end (delta: -11.3kB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-12-15 12:22:16,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.98ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 74.3MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.40ms. Allocated memory is still 113.2MB. Free memory was 74.3MB in the beginning and 71.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 113.2MB. Free memory was 71.1MB in the beginning and 68.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.52ms. Allocated memory is still 113.2MB. Free memory was 68.4MB in the beginning and 68.5MB in the end (delta: -11.3kB). Peak memory consumption was 29.6MB. 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 12:22:16,299 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/mix001.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 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:17,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:17,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:17,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:17,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:17,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:17,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:17,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:17,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:17,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:17,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:17,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:17,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:17,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:17,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:17,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:17,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:17,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:17,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:17,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:17,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:17,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:17,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:18,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:18,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:18,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:18,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:18,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:18,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:18,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:18,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:18,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:18,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:18,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:18,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:18,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:18,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:18,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:18,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:18,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:18,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:18,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:18,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:18,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:18,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:18,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:18,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:18,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:18,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:18,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:18,049 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:18,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:18,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:18,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:18,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:18,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:18,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:18,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:18,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:18,051 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:18,051 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:18,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:18,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:18,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:18,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:18,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:18,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:18,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:18,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:18,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:18,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:18,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:18,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:18,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 [2021-12-15 12:22:18,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:18,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:18,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:18,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:18,339 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:18,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-12-15 12:22:18,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3534b703/28f7e49b95ea4ef0ad97b6a52a29b9ca/FLAGba028c3b4 [2021-12-15 12:22:18,816 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:18,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2021-12-15 12:22:18,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3534b703/28f7e49b95ea4ef0ad97b6a52a29b9ca/FLAGba028c3b4 [2021-12-15 12:22:18,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3534b703/28f7e49b95ea4ef0ad97b6a52a29b9ca [2021-12-15 12:22:18,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:18,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:18,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:18,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:18,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:18,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:18" (1/1) ... [2021-12-15 12:22:18,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e50a0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:18, skipping insertion in model container [2021-12-15 12:22:18,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:18" (1/1) ... [2021-12-15 12:22:18,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:18,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:19,028 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/mix001.oepc.i[988,1001] [2021-12-15 12:22:19,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:19,209 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:19,217 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/mix001.oepc.i[988,1001] [2021-12-15 12:22:19,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:19,313 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:19,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19 WrapperNode [2021-12-15 12:22:19,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:19,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:19,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:19,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:19,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,358 INFO L137 Inliner]: procedures = 179, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 283 [2021-12-15 12:22:19,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:19,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:19,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:19,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:19,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:19,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:19,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:19,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:19,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:19" (1/1) ... [2021-12-15 12:22:19,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:19,463 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 12:22:19,470 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 12:22:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:19,495 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 12:22:19,682 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:19,712 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:20,270 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:20,330 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 12:22:20,335 INFO L158 Benchmark]: Toolchain (without parser) took 1484.96ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 44.1MB in the beginning and 46.0MB in the end (delta: -2.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-12-15 12:22:20,335 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:20,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.83ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 33.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:20,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.11ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 30.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:20,336 INFO L158 Benchmark]: Boogie Preprocessor took 68.73ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 63.2MB in the end (delta: -32.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:20,337 INFO L158 Benchmark]: RCFGBuilder took 903.48ms. Allocated memory is still 81.8MB. Free memory was 63.2MB in the beginning and 46.0MB in the end (delta: 17.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:20,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.83ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 33.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.11ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 30.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.73ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 30.5MB in the beginning and 63.2MB in the end (delta: -32.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 903.48ms. Allocated memory is still 81.8MB. Free memory was 63.2MB in the beginning and 46.0MB in the end (delta: 17.1MB). Peak memory consumption was 27.2MB. 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 12:22:20,374 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