./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:32,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:32,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:32,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:32,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:32,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:32,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:32,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:32,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:32,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:32,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:32,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:32,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:32,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:32,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:32,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:32,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:32,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:32,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:32,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:32,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:32,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:32,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:32,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:32,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:32,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:32,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:32,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:32,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:32,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:32,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:32,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:32,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:32,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:32,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:32,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:32,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:32,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:32,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:32,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:32,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:32,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:23:32,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:32,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:32,648 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:32,648 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:32,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:32,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:32,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:32,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:32,650 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:32,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:32,651 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:32,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:23:32,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:32,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:32,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:32,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:32,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:32,652 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:32,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:32,652 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:32,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:32,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:32,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:32,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:32,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:32,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:32,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:32,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:32,654 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:23:32,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:23:32,654 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:32,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:32,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:32,655 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:32,655 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 [2021-12-15 12:23:32,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:32,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:32,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:32,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:32,873 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:32,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-12-15 12:23:32,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df9cdfefe/6c4e7540f6b34fe2a20e89c1d96dbf9e/FLAGa5cf441a2 [2021-12-15 12:23:33,358 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:33,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-12-15 12:23:33,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df9cdfefe/6c4e7540f6b34fe2a20e89c1d96dbf9e/FLAGa5cf441a2 [2021-12-15 12:23:33,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df9cdfefe/6c4e7540f6b34fe2a20e89c1d96dbf9e [2021-12-15 12:23:33,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:33,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:33,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:33,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:33,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:33,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:33" (1/1) ... [2021-12-15 12:23:33,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c05c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:33, skipping insertion in model container [2021-12-15 12:23:33,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:33" (1/1) ... [2021-12-15 12:23:33,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:33,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:33,968 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/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-12-15 12:23:34,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:34,202 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:34,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-12-15 12:23:34,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:34,288 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:34,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34 WrapperNode [2021-12-15 12:23:34,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:34,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:34,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:34,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:34,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,358 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 282 [2021-12-15 12:23:34,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:34,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:34,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:34,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:34,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:34,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:34,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:34,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:34,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:34,465 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 12:23:34,488 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 12:23:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:23:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:23:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:23:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:23:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:34,507 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 12:23:34,660 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:34,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:35,116 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:35,222 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 12:23:35,227 INFO L158 Benchmark]: Toolchain (without parser) took 1512.81ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 94.9MB in the end (delta: 1.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,228 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 92.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:35,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.49ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 88.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.70ms. Allocated memory is still 125.8MB. Free memory was 88.0MB in the beginning and 85.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,231 INFO L158 Benchmark]: Boogie Preprocessor took 56.06ms. Allocated memory is still 125.8MB. Free memory was 85.1MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,231 INFO L158 Benchmark]: RCFGBuilder took 809.33ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 94.9MB in the end (delta: -11.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,234 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 92.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.49ms. Allocated memory is still 125.8MB. Free memory was 95.9MB in the beginning and 88.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.70ms. Allocated memory is still 125.8MB. Free memory was 88.0MB in the beginning and 85.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.06ms. Allocated memory is still 125.8MB. Free memory was 85.1MB in the beginning and 83.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 809.33ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 94.9MB in the end (delta: -11.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:23:35,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:37,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:37,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:37,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:37,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:37,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:37,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:37,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:37,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:37,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:37,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:37,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:37,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:37,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:37,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:37,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:37,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:37,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:37,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:37,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:37,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:37,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:37,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:37,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:37,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:37,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:37,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:37,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:37,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:37,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:37,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:37,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:37,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:37,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:37,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:37,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:37,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:37,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:37,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:37,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:37,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:37,367 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:23:37,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:37,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:37,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:37,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:37,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:37,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:37,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:37,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:37,401 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:37,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:37,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:37,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:37,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:37,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:37,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:37,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:37,403 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:23:37,404 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:23:37,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:23:37,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:37,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:37,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:37,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:37,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:37,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:37,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:37,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:37,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:37,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:37,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:37,412 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:23:37,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:23:37,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:37,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:37,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:37,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:37,414 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:23:37,414 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 [2021-12-15 12:23:37,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:37,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:37,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:37,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:37,742 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:37,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-12-15 12:23:37,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c09edf5/1fa96a8a60e1402ebfe1e4e1b6056bf7/FLAG586a06d5a [2021-12-15 12:23:38,324 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:38,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2021-12-15 12:23:38,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c09edf5/1fa96a8a60e1402ebfe1e4e1b6056bf7/FLAG586a06d5a [2021-12-15 12:23:38,796 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32c09edf5/1fa96a8a60e1402ebfe1e4e1b6056bf7 [2021-12-15 12:23:38,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:38,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:38,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:38,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:38,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:38,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:38" (1/1) ... [2021-12-15 12:23:38,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29985c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:38, skipping insertion in model container [2021-12-15 12:23:38,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:38" (1/1) ... [2021-12-15 12:23:38,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:38,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:39,005 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/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-12-15 12:23:39,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:39,258 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:39,270 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/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2021-12-15 12:23:39,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:39,355 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:39,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39 WrapperNode [2021-12-15 12:23:39,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:39,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:39,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:39,357 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:39,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,442 INFO L137 Inliner]: procedures = 179, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 283 [2021-12-15 12:23:39,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:39,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:39,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:39,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:39,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:39,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:39,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:39,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:39,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:39" (1/1) ... [2021-12-15 12:23:39,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:39,537 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 12:23:39,554 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 12:23:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:23:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:23:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:23:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:23:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:39,589 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 12:23:39,780 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:39,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:40,226 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:40,297 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 12:23:40,306 INFO L158 Benchmark]: Toolchain (without parser) took 1505.92ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.6MB in the beginning and 30.3MB in the end (delta: -4.7MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:40,306 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:40,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.22ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.3MB in the beginning and 32.4MB in the end (delta: -7.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-12-15 12:23:40,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.80ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 44.4MB in the end (delta: -12.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-12-15 12:23:40,308 INFO L158 Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:40,309 INFO L158 Benchmark]: RCFGBuilder took 805.73ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 30.3MB in the end (delta: 11.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:40,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.22ms. Allocated memory was 50.3MB in the beginning and 62.9MB in the end (delta: 12.6MB). Free memory was 25.3MB in the beginning and 32.4MB in the end (delta: -7.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.80ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 44.4MB in the end (delta: -12.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.21ms. Allocated memory is still 62.9MB. Free memory was 44.4MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.73ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 30.3MB in the end (delta: 11.7MB). Peak memory consumption was 21.1MB. 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 12:23:40,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable