./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix018_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/mix018_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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:43,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:43,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:43,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:43,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:43,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:43,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:43,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:43,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:43,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:43,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:43,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:43,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:43,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:43,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:43,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:43,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:43,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:43,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:43,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:43,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:43,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:43,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:43,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:43,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:43,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:43,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:43,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:43,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:43,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:43,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:43,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:43,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:43,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:43,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:43,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:43,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:43,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:43,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:43,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:43,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:43,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:22:43,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:43,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:43,937 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:43,937 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:43,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:43,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:43,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:43,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:43,939 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:43,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:43,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:43,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:22:43,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:43,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:43,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:43,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:43,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:43,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:43,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:43,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:43,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:43,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:43,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:43,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:43,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:43,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:43,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:43,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:43,944 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:22:43,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:22:43,945 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:43,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:43,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:43,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:43,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2021-12-15 12:22:44,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:44,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:44,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:44,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:44,209 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:44,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2021-12-15 12:22:44,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f182243f/c25efb0c90704b30ba654999eb49ee1f/FLAGe5a8a31d7 [2021-12-15 12:22:44,770 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:44,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2021-12-15 12:22:44,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f182243f/c25efb0c90704b30ba654999eb49ee1f/FLAGe5a8a31d7 [2021-12-15 12:22:45,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f182243f/c25efb0c90704b30ba654999eb49ee1f [2021-12-15 12:22:45,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:45,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:45,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:45,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:45,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:45,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343e633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45, skipping insertion in model container [2021-12-15 12:22:45,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:45,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:45,456 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/mix018_tso.oepc.i[949,962] [2021-12-15 12:22:45,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:45,633 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:45,642 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/mix018_tso.oepc.i[949,962] [2021-12-15 12:22:45,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:45,729 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:45,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45 WrapperNode [2021-12-15 12:22:45,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:45,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:45,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:45,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:45,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,817 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 292 [2021-12-15 12:22:45,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:45,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:45,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:45,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:45,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:45,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:45,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:45,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:45,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:45" (1/1) ... [2021-12-15 12:22:45,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:45,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:45,911 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 12:22:45,913 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 12:22:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:22:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:22:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:45,944 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 12:22:46,120 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:46,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:46,681 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:46,772 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 12:22:46,776 INFO L158 Benchmark]: Toolchain (without parser) took 1531.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 53.6MB in the beginning and 52.3MB in the end (delta: 1.2MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:46,777 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 40.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:46,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.74ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 48.3MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:46,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.78ms. Allocated memory is still 86.0MB. Free memory was 48.3MB in the beginning and 45.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:46,779 INFO L158 Benchmark]: Boogie Preprocessor took 59.00ms. Allocated memory is still 86.0MB. Free memory was 45.2MB in the beginning and 42.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:46,779 INFO L158 Benchmark]: RCFGBuilder took 896.10ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 42.8MB in the beginning and 52.3MB in the end (delta: -9.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:46,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 40.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.74ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 48.3MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.78ms. Allocated memory is still 86.0MB. Free memory was 48.3MB in the beginning and 45.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.00ms. Allocated memory is still 86.0MB. Free memory was 45.2MB in the beginning and 42.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 896.10ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 42.8MB in the beginning and 52.3MB in the end (delta: -9.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:46,816 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/mix018_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 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:48,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:48,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:48,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:48,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:48,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:48,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:48,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:48,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:48,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:48,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:48,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:48,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:48,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:48,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:48,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:48,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:48,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:48,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:48,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:48,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:48,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:48,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:48,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:48,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:48,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:48,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:48,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:48,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:48,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:48,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:48,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:48,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:48,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:48,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:48,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:48,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:48,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:48,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:48,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:48,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:48,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:48,886 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:48,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:48,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:48,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:48,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:48,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:48,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:48,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:48,890 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:48,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:48,891 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:48,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:48,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:48,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:48,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:48,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:48,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:48,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:48,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:48,893 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:48,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:48,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:48,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:48,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:48,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:48,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:48,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:48,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:48,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:48,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:48,896 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:48,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:48,896 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:48,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:48,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:48,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:48,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:48,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bc57c42fd552df471a50a3f823d776d12ae5a02a1da1686aaab749af4f270bf [2021-12-15 12:22:49,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:49,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:49,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:49,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:49,238 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:49,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2021-12-15 12:22:49,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9afe1b74c/d3f7a3ec80cf4d39aab4b6b9c92083fe/FLAG072372b31 [2021-12-15 12:22:49,804 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:49,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018_tso.oepc.i [2021-12-15 12:22:49,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9afe1b74c/d3f7a3ec80cf4d39aab4b6b9c92083fe/FLAG072372b31 [2021-12-15 12:22:50,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9afe1b74c/d3f7a3ec80cf4d39aab4b6b9c92083fe [2021-12-15 12:22:50,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:50,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:50,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:50,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:50,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:50,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:50,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bf840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50, skipping insertion in model container [2021-12-15 12:22:50,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:50,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:50,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:50,545 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/mix018_tso.oepc.i[949,962] [2021-12-15 12:22:50,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:50,789 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:50,803 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/mix018_tso.oepc.i[949,962] [2021-12-15 12:22:50,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:50,884 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:50,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50 WrapperNode [2021-12-15 12:22:50,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:50,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:50,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:50,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:50,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:50,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:50,966 INFO L137 Inliner]: procedures = 180, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 293 [2021-12-15 12:22:50,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:50,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:50,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:50,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:50,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:50,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:51,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:51,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:51,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:51,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:50" (1/1) ... [2021-12-15 12:22:51,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:51,085 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 12:22:51,113 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 12:22:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:22:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:22:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:51,135 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 12:22:51,245 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:51,247 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:51,804 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:51,857 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 12:22:51,861 INFO L158 Benchmark]: Toolchain (without parser) took 1529.38ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.8MB in the beginning and 36.3MB in the end (delta: 1.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:51,861 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:51,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.43ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 29.4MB in the end (delta: 8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:22:51,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.84ms. Allocated memory is still 60.8MB. Free memory was 29.4MB in the beginning and 26.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:51,863 INFO L158 Benchmark]: Boogie Preprocessor took 83.39ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 26.4MB in the beginning and 53.6MB in the end (delta: -27.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-12-15 12:22:51,864 INFO L158 Benchmark]: RCFGBuilder took 804.97ms. Allocated memory is still 73.4MB. Free memory was 53.6MB in the beginning and 36.3MB in the end (delta: 17.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-15 12:22:51,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 42.8MB in the beginning and 42.7MB in the end (delta: 46.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.43ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 29.4MB in the end (delta: 8.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.84ms. Allocated memory is still 60.8MB. Free memory was 29.4MB in the beginning and 26.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.39ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 26.4MB in the beginning and 53.6MB in the end (delta: -27.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * RCFGBuilder took 804.97ms. Allocated memory is still 73.4MB. Free memory was 53.6MB in the beginning and 36.3MB in the end (delta: 17.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:51,902 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