./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi005.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/rfi005.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 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:57,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:57,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:57,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:57,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:57,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:57,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:57,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:57,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:57,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:57,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:57,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:57,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:57,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:57,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:57,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:57,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:57,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:57,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:57,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:57,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:57,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:57,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:57,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:57,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:57,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:57,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:57,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:57,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:57,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:57,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:57,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:57,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:57,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:57,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:57,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:57,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:57,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:57,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:57,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:57,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:57,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:23:57,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:57,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:57,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:57,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:57,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:57,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:57,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:57,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:57,737 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:57,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:57,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:57,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:23:57,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:57,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:57,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:57,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:57,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:57,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:57,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:57,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:57,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:57,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:57,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:57,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:57,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:57,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:57,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:57,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:57,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:23:57,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:23:57,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:57,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:57,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:57,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:57,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 [2021-12-15 12:23:57,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:58,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:58,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:58,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:58,010 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:58,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi005.i [2021-12-15 12:23:58,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65045089e/2e28836869e54032881f879d8b686d20/FLAG9ce627d5a [2021-12-15 12:23:58,522 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:58,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi005.i [2021-12-15 12:23:58,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65045089e/2e28836869e54032881f879d8b686d20/FLAG9ce627d5a [2021-12-15 12:23:58,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65045089e/2e28836869e54032881f879d8b686d20 [2021-12-15 12:23:58,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:58,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:58,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:58,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:58,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:58,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:58" (1/1) ... [2021-12-15 12:23:58,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47308c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:58, skipping insertion in model container [2021-12-15 12:23:58,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:58" (1/1) ... [2021-12-15 12:23:58,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:58,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:58,779 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/rfi005.i[983,996] [2021-12-15 12:23:58,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:58,993 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:59,006 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/rfi005.i[983,996] [2021-12-15 12:23:59,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:59,089 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:59,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59 WrapperNode [2021-12-15 12:23:59,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:59,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:59,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:59,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:59,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,161 INFO L137 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 380 [2021-12-15 12:23:59,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:59,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:59,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:59,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:59,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:59,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:59,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:59,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:59,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:59" (1/1) ... [2021-12-15 12:23:59,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:59,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:59,312 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 12:23:59,344 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 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:59,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:23:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:59,362 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 12:23:59,493 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:59,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:00,035 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:00,135 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 12:24:00,140 INFO L158 Benchmark]: Toolchain (without parser) took 1571.70ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 64.5MB in the beginning and 66.8MB in the end (delta: -2.4MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2021-12-15 12:24:00,142 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:00,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.55ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 47.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:24:00,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.47ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 44.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:00,144 INFO L158 Benchmark]: Boogie Preprocessor took 62.43ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 81.6MB in the end (delta: -37.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 12:24:00,145 INFO L158 Benchmark]: RCFGBuilder took 912.34ms. Allocated memory is still 107.0MB. Free memory was 81.6MB in the beginning and 66.8MB in the end (delta: 14.7MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2021-12-15 12:24:00,151 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 88.1MB. Free memory was 63.4MB in the beginning and 63.4MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.55ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 47.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.47ms. Allocated memory is still 88.1MB. Free memory was 47.9MB in the beginning and 44.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.43ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 44.4MB in the beginning and 81.6MB in the end (delta: -37.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 912.34ms. Allocated memory is still 107.0MB. Free memory was 81.6MB in the beginning and 66.8MB in the end (delta: 14.7MB). Peak memory consumption was 34.5MB. 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 12:24:00,199 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/rfi005.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 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:02,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:02,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:02,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:02,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:02,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:02,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:02,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:02,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:02,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:02,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:02,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:02,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:02,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:02,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:02,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:02,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:02,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:02,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:02,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:02,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:02,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:02,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:02,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:02,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:02,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:02,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:02,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:02,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:02,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:02,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:02,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:02,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:02,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:02,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:02,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:02,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:02,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:02,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:02,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:02,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:02,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:24:02,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:02,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:02,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:02,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:02,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:02,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:02,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:02,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:02,335 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:02,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:02,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:02,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:02,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:02,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:02,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:02,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:02,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:24:02,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:24:02,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:24:02,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:02,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:02,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:02,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:02,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:02,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:02,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:02,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:02,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:02,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:02,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:02,340 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:24:02,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:24:02,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:02,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:02,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:02,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:02,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:24:02,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 [2021-12-15 12:24:02,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:02,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:02,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:02,721 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:02,722 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:02,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi005.i [2021-12-15 12:24:02,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963a2b0c5/ed18cc981f6b4ea9ae7a3256574492e8/FLAG4f3480ff7 [2021-12-15 12:24:03,364 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:03,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi005.i [2021-12-15 12:24:03,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963a2b0c5/ed18cc981f6b4ea9ae7a3256574492e8/FLAG4f3480ff7 [2021-12-15 12:24:03,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963a2b0c5/ed18cc981f6b4ea9ae7a3256574492e8 [2021-12-15 12:24:03,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:03,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:03,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:03,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:03,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:03,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:03" (1/1) ... [2021-12-15 12:24:03,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b521486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:03, skipping insertion in model container [2021-12-15 12:24:03,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:03" (1/1) ... [2021-12-15 12:24:03,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:03,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:03,863 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/rfi005.i[983,996] [2021-12-15 12:24:04,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:04,107 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:04,123 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/rfi005.i[983,996] [2021-12-15 12:24:04,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:04,231 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:04,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04 WrapperNode [2021-12-15 12:24:04,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:04,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:04,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:04,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:04,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,328 INFO L137 Inliner]: procedures = 178, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 381 [2021-12-15 12:24:04,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:04,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:04,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:04,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:04,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:04,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:04,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:04,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:04,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:04" (1/1) ... [2021-12-15 12:24:04,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:04,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:04,421 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 12:24:04,459 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 12:24:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:04,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:04,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:04,475 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 12:24:04,681 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:04,683 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:05,286 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:05,359 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 12:24:05,363 INFO L158 Benchmark]: Toolchain (without parser) took 1713.47ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 37.1MB in the end (delta: -7.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:05,364 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:05,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.12ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 40.7MB in the end (delta: -11.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-15 12:24:05,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.92ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 37.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:05,365 INFO L158 Benchmark]: Boogie Preprocessor took 56.84ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 34.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:05,366 INFO L158 Benchmark]: RCFGBuilder took 973.59ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 37.1MB in the end (delta: -2.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-15 12:24:05,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 54.5MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.12ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 40.7MB in the end (delta: -11.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.92ms. Allocated memory is still 67.1MB. Free memory was 40.7MB in the beginning and 37.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.84ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 34.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 973.59ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 37.1MB in the end (delta: -2.9MB). Peak memory consumption was 7.4MB. 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 12:24:05,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable