./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.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/rfi000_power.oepc_pso.oepc_rmo.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 be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:50,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:50,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:50,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:50,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:50,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:50,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:50,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:50,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:50,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:50,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:50,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:50,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:50,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:50,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:50,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:50,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:50,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:50,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:50,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:50,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:50,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:50,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:50,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:50,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:50,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:50,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:50,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:50,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:50,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:50,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:50,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:50,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:50,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:50,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:50,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:50,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:50,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:50,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:50,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:50,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:50,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:23:50,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:50,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:50,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:50,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:50,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:50,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:50,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:50,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:50,151 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:50,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:50,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:50,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:50,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:50,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:50,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:50,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:50,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:50,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:50,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:50,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:50,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:50,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:23:50,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:23:50,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:50,154 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:50,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:50,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:50,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 [2021-12-15 12:23:50,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:50,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:50,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:50,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:50,414 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:50,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2021-12-15 12:23:50,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/399c3efca/47701a0246b748889fd48b982844bf16/FLAG6ae71190b [2021-12-15 12:23:50,862 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:50,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2021-12-15 12:23:50,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/399c3efca/47701a0246b748889fd48b982844bf16/FLAG6ae71190b [2021-12-15 12:23:50,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/399c3efca/47701a0246b748889fd48b982844bf16 [2021-12-15 12:23:50,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:50,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:50,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:50,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:50,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:50,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:50" (1/1) ... [2021-12-15 12:23:50,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37955231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:50, skipping insertion in model container [2021-12-15 12:23:50,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:50" (1/1) ... [2021-12-15 12:23:50,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:50,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:51,147 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/rfi000_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-15 12:23:51,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:51,348 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:51,358 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/rfi000_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-15 12:23:51,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:51,439 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:51,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51 WrapperNode [2021-12-15 12:23:51,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:51,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:51,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:51,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:51,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,503 INFO L137 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 260 [2021-12-15 12:23:51,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:51,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:51,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:51,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:51,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:51,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:51,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:51,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:51,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:51" (1/1) ... [2021-12-15 12:23:51,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:51,578 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 12:23:51,580 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 12:23:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:23:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:23:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:51,620 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 12:23:51,753 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:51,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:52,283 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:52,337 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:23:52,341 INFO L158 Benchmark]: Toolchain (without parser) took 1435.70ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 71.1MB in the beginning and 100.4MB in the end (delta: -29.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-12-15 12:23:52,342 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 109.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:52,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.29ms. Allocated memory is still 109.1MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 74.5kB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-12-15 12:23:52,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.52ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 67.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:52,344 INFO L158 Benchmark]: Boogie Preprocessor took 51.88ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 64.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:23:52,345 INFO L158 Benchmark]: RCFGBuilder took 782.65ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 100.4MB in the end (delta: -35.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:23:52,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 109.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.29ms. Allocated memory is still 109.1MB. Free memory was 70.9MB in the beginning and 70.8MB in the end (delta: 74.5kB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.52ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 67.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.88ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 64.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 782.65ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 64.9MB in the beginning and 100.4MB in the end (delta: -35.5MB). Peak memory consumption was 25.2MB. 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 12:23:52,371 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/rfi000_power.oepc_pso.oepc_rmo.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 be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:54,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:54,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:54,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:54,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:54,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:54,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:54,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:54,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:54,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:54,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:54,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:54,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:54,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:54,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:54,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:54,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:54,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:54,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:54,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:54,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:54,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:54,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:54,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:54,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:54,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:54,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:54,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:54,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:54,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:54,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:54,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:54,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:54,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:54,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:54,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:54,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:54,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:54,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:54,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:54,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:54,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:23:54,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:54,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:54,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:54,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:54,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:54,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:54,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:54,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:54,323 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:54,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:54,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:54,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:54,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:54,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:54,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:54,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:54,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:54,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:54,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:54,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:54,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:54,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:54,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:54,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:54,327 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:23:54,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:23:54,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:54,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:54,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:54,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:54,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:23:54,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 [2021-12-15 12:23:54,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:54,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:54,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:54,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:54,674 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:54,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2021-12-15 12:23:54,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f7e860d/d5b8b4b6784744e782601e61ddc2a5e4/FLAG0e5f3a0eb [2021-12-15 12:23:55,172 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:55,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2021-12-15 12:23:55,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f7e860d/d5b8b4b6784744e782601e61ddc2a5e4/FLAG0e5f3a0eb [2021-12-15 12:23:55,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f7e860d/d5b8b4b6784744e782601e61ddc2a5e4 [2021-12-15 12:23:55,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:55,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:55,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:55,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:55,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:55,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:55,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb2dc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55, skipping insertion in model container [2021-12-15 12:23:55,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:55,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:55,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:55,725 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/rfi000_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-15 12:23:55,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:55,903 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:55,912 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/rfi000_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-15 12:23:55,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:55,998 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:55,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55 WrapperNode [2021-12-15 12:23:55,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:56,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:56,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:56,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:56,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,078 INFO L137 Inliner]: procedures = 178, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 261 [2021-12-15 12:23:56,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:56,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:56,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:56,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:56,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:56,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:56,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:56,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:56,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:55" (1/1) ... [2021-12-15 12:23:56,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:56,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:56,175 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 12:23:56,177 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 12:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:56,206 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:56,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:56,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:56,208 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 12:23:56,340 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:56,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:56,873 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:56,948 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:23:56,952 INFO L158 Benchmark]: Toolchain (without parser) took 1400.87ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 35.9MB in the end (delta: -5.7MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-12-15 12:23:56,952 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:56,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.03ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.1MB in the beginning and 37.0MB in the end (delta: -6.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-12-15 12:23:56,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.91ms. Allocated memory is still 69.2MB. Free memory was 36.8MB in the beginning and 47.8MB in the end (delta: -11.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-15 12:23:56,954 INFO L158 Benchmark]: Boogie Preprocessor took 47.55ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 44.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:56,954 INFO L158 Benchmark]: RCFGBuilder took 823.39ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 35.9MB in the end (delta: 8.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:56,956 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 54.5MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.03ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.1MB in the beginning and 37.0MB in the end (delta: -6.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.91ms. Allocated memory is still 69.2MB. Free memory was 36.8MB in the beginning and 47.8MB in the end (delta: -11.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.55ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 44.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.39ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 35.9MB in the end (delta: 8.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:23:56,980 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