./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix005_tso.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/mix005_tso.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 c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:20,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:20,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:20,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:20,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:20,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:20,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:21,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:21,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:21,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:21,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:21,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:21,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:21,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:21,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:21,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:21,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:21,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:21,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:21,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:21,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:21,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:21,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:21,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:21,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:21,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:21,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:21,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:21,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:21,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:21,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:21,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:21,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:21,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:21,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:21,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:21,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:21,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:21,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:21,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:21,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:21,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:22:21,050 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:21,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:21,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:21,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:21,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:21,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:21,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:21,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:21,053 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:21,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:21,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:21,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:22:21,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:21,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:21,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:21,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:21,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:21,054 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:21,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:21,055 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:21,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:21,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:21,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:21,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:21,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:21,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:21,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:21,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:21,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:22:21,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:22:21,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:21,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:21,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:21,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:21,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 [2021-12-15 12:22:21,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:21,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:21,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:21,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:21,274 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:21,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2021-12-15 12:22:21,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00502defd/a7a7f1f48e934f7dbe4c6c485ed1b34c/FLAG5e5621b61 [2021-12-15 12:22:21,741 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:21,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2021-12-15 12:22:21,762 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00502defd/a7a7f1f48e934f7dbe4c6c485ed1b34c/FLAG5e5621b61 [2021-12-15 12:22:21,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00502defd/a7a7f1f48e934f7dbe4c6c485ed1b34c [2021-12-15 12:22:21,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:21,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:21,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:21,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:21,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:21,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:21" (1/1) ... [2021-12-15 12:22:21,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aaa176d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:21, skipping insertion in model container [2021-12-15 12:22:21,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:21" (1/1) ... [2021-12-15 12:22:21,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:21,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:22,018 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/mix005_tso.oepc.i[949,962] [2021-12-15 12:22:22,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:22,226 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:22,235 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/mix005_tso.oepc.i[949,962] [2021-12-15 12:22:22,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:22,307 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:22,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22 WrapperNode [2021-12-15 12:22:22,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:22,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:22,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:22,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:22,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,355 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 293 [2021-12-15 12:22:22,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:22,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:22,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:22,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:22,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:22,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:22,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:22,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:22,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:22" (1/1) ... [2021-12-15 12:22:22,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:22,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:22,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:22:22,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:22:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:22:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:22:22,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:22,473 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:22:22,588 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:22,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:23,093 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:23,166 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:22:23,170 INFO L158 Benchmark]: Toolchain (without parser) took 1389.33ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 55.6MB in the beginning and 74.4MB in the end (delta: -18.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:23,170 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:23,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.37ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 51.3MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:23,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.96ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 48.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:23,173 INFO L158 Benchmark]: Boogie Preprocessor took 47.31ms. Allocated memory is still 88.1MB. Free memory was 48.3MB in the beginning and 45.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:23,173 INFO L158 Benchmark]: RCFGBuilder took 763.61ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 45.8MB in the beginning and 74.4MB in the end (delta: -28.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:23,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.37ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 51.3MB in the end (delta: 4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.96ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 48.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.31ms. Allocated memory is still 88.1MB. Free memory was 48.3MB in the beginning and 45.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 763.61ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 45.8MB in the beginning and 74.4MB in the end (delta: -28.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:23,207 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/mix005_tso.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 c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:24,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:24,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:24,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:24,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:24,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:24,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:24,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:24,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:24,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:24,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:24,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:24,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:24,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:24,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:24,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:24,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:24,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:24,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:24,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:24,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:24,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:24,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:24,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:24,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:24,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:24,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:24,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:24,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:24,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:24,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:24,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:24,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:24,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:24,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:24,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:24,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:24,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:24,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:24,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:24,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:24,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:24,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:24,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:24,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:24,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:24,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:24,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:24,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:24,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:24,884 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:24,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:24,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:24,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:24,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:24,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:24,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:24,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:24,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:24,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:24,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:24,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:24,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:24,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:24,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:24,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:24,887 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:24,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:24,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:24,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:24,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:24,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:24,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:24,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c22ca6d642b28badc1dc02a5cc527ddbb1f35b5d6d2e3ba3e8f314e81f0fd465 [2021-12-15 12:22:25,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:25,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:25,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:25,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:25,198 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:25,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2021-12-15 12:22:25,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dbf29bc3/cdea60f205754ac99791df1b6937756b/FLAG09a668aa6 [2021-12-15 12:22:25,688 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:25,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix005_tso.oepc.i [2021-12-15 12:22:25,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dbf29bc3/cdea60f205754ac99791df1b6937756b/FLAG09a668aa6 [2021-12-15 12:22:25,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dbf29bc3/cdea60f205754ac99791df1b6937756b [2021-12-15 12:22:25,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:25,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:25,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:25,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:25,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:25,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:25" (1/1) ... [2021-12-15 12:22:25,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee3036b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:25, skipping insertion in model container [2021-12-15 12:22:25,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:25" (1/1) ... [2021-12-15 12:22:25,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:25,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:25,888 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/mix005_tso.oepc.i[949,962] [2021-12-15 12:22:26,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:26,085 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:26,096 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/mix005_tso.oepc.i[949,962] [2021-12-15 12:22:26,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:26,153 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:26,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26 WrapperNode [2021-12-15 12:22:26,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:26,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:26,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:26,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:26,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,192 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 294 [2021-12-15 12:22:26,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:26,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:26,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:26,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:26,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:26,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:26,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:26,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:26,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:26" (1/1) ... [2021-12-15 12:22:26,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:26,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:22:26,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:22:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:26,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:22:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:22:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:26,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:26,309 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:22:26,444 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:26,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:26,913 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:26,954 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:22:26,957 INFO L158 Benchmark]: Toolchain (without parser) took 1240.63ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 42.7MB in the beginning and 36.9MB in the end (delta: 5.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-15 12:22:26,958 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:26,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.35ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 32.5MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:22:26,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 65.0MB. Free memory was 32.3MB in the beginning and 29.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:26,959 INFO L158 Benchmark]: Boogie Preprocessor took 46.90ms. Allocated memory is still 65.0MB. Free memory was 29.3MB in the beginning and 43.9MB in the end (delta: -14.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-15 12:22:26,960 INFO L158 Benchmark]: RCFGBuilder took 715.28ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.6MB in the beginning and 36.9MB in the end (delta: 6.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:22:26,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.35ms. Allocated memory is still 65.0MB. Free memory was 42.6MB in the beginning and 32.5MB in the end (delta: 10.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.21ms. Allocated memory is still 65.0MB. Free memory was 32.3MB in the beginning and 29.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.90ms. Allocated memory is still 65.0MB. Free memory was 29.3MB in the beginning and 43.9MB in the end (delta: -14.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 715.28ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.6MB in the beginning and 36.9MB in the end (delta: 6.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:26,990 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