./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef808fc1470b7509ff56eb59d7d443a24f9bd367b94a6fd316176ae1cba1f1f6 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:49,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:49,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:49,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:49,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:49,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:49,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:49,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:49,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:49,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:49,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:49,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:49,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:49,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:49,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:49,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:49,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:49,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:49,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:49,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:49,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:49,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:49,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:49,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:49,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:49,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:49,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:49,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:49,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:49,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:49,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:49,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:49,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:49,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:49,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:49,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:49,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:49,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:49,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:49,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:49,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:49,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:24:49,851 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:49,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:49,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:49,852 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:49,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:49,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:49,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:49,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:49,854 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:49,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:49,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:49,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:24:49,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:49,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:49,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:49,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:49,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:49,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:49,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:49,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:49,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:49,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:49,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:49,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:49,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:49,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:49,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:49,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:49,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:24:49,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:24:49,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:49,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:49,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:49,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:49,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef808fc1470b7509ff56eb59d7d443a24f9bd367b94a6fd316176ae1cba1f1f6 [2021-12-15 12:24:50,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:50,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:50,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:50,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:50,167 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:50,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i [2021-12-15 12:24:50,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f14f3bb/632d7205bd5c46db958515fd7e008e77/FLAG07300fa82 [2021-12-15 12:24:50,773 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:50,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i [2021-12-15 12:24:50,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f14f3bb/632d7205bd5c46db958515fd7e008e77/FLAG07300fa82 [2021-12-15 12:24:51,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f14f3bb/632d7205bd5c46db958515fd7e008e77 [2021-12-15 12:24:51,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:51,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:51,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:51,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:51,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:51,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1c4fae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51, skipping insertion in model container [2021-12-15 12:24:51,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:51,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:51,455 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/safe016_rmo.oepc.i[993,1006] [2021-12-15 12:24:51,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:51,702 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:51,716 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/safe016_rmo.oepc.i[993,1006] [2021-12-15 12:24:51,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:51,813 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:51,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51 WrapperNode [2021-12-15 12:24:51,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:51,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:51,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:51,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:51,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,890 INFO L137 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 277 [2021-12-15 12:24:51,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:51,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:51,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:51,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:51,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:51,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:51,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:51,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:51,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:51" (1/1) ... [2021-12-15 12:24:51,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:51,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:52,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:24:52,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:24:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:24:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:24:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:52,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:52,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:52,042 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:52,042 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:24:52,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:24:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:24:52,043 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:24:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:24:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:52,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:52,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:52,045 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:24:52,251 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:52,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:52,742 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:52,848 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:24:52,854 INFO L158 Benchmark]: Toolchain (without parser) took 1610.39ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.7MB in the beginning and 64.1MB in the end (delta: 1.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-12-15 12:24:52,856 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:52,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.20ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.5MB in the beginning and 79.4MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:24:52,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.00ms. Allocated memory is still 119.5MB. Free memory was 79.4MB in the beginning and 76.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:52,859 INFO L158 Benchmark]: Boogie Preprocessor took 66.51ms. Allocated memory is still 119.5MB. Free memory was 76.4MB in the beginning and 73.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:52,859 INFO L158 Benchmark]: RCFGBuilder took 892.69ms. Allocated memory is still 119.5MB. Free memory was 73.9MB in the beginning and 64.1MB in the end (delta: 9.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-12-15 12:24:52,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 571.20ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 65.5MB in the beginning and 79.4MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.00ms. Allocated memory is still 119.5MB. Free memory was 79.4MB in the beginning and 76.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.51ms. Allocated memory is still 119.5MB. Free memory was 76.4MB in the beginning and 73.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 892.69ms. Allocated memory is still 119.5MB. Free memory was 73.9MB in the beginning and 64.1MB in the end (delta: 9.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:24:52,910 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/safe016_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef808fc1470b7509ff56eb59d7d443a24f9bd367b94a6fd316176ae1cba1f1f6 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:24:54,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:24:54,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:24:54,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:24:54,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:24:54,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:24:54,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:24:54,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:24:54,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:24:54,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:24:54,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:24:54,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:24:54,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:24:54,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:24:54,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:24:54,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:24:54,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:24:54,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:24:54,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:24:54,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:24:54,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:24:54,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:24:54,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:24:54,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:24:54,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:24:54,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:24:54,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:24:54,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:24:54,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:24:54,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:24:54,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:24:54,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:24:54,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:24:54,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:24:54,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:24:54,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:24:54,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:24:54,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:24:54,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:24:54,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:24:54,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:24:54,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:24:54,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:24:54,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:24:54,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:24:54,949 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:24:54,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:24:54,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:24:54,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:24:54,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:24:54,952 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:24:54,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:24:54,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:24:54,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:24:54,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:24:54,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:24:54,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:24:54,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:24:54,954 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:24:54,954 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:24:54,954 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:24:54,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:24:54,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:24:54,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:24:54,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:24:54,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:24:54,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:24:54,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:24:54,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:54,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:24:54,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:24:54,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:24:54,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:24:54,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:24:54,966 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:24:54,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:24:54,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:24:54,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:24:54,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:24:54,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef808fc1470b7509ff56eb59d7d443a24f9bd367b94a6fd316176ae1cba1f1f6 [2021-12-15 12:24:55,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:24:55,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:24:55,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:24:55,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:24:55,325 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:24:55,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i [2021-12-15 12:24:55,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a288a861b/6fde4a7571994ea08c34053ba28c4021/FLAGd919a658c [2021-12-15 12:24:55,860 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:24:55,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.oepc.i [2021-12-15 12:24:55,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a288a861b/6fde4a7571994ea08c34053ba28c4021/FLAGd919a658c [2021-12-15 12:24:56,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a288a861b/6fde4a7571994ea08c34053ba28c4021 [2021-12-15 12:24:56,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:24:56,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:24:56,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:56,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:24:56,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:24:56,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9748eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56, skipping insertion in model container [2021-12-15 12:24:56,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:24:56,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:24:56,425 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/safe016_rmo.oepc.i[993,1006] [2021-12-15 12:24:56,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:56,665 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:24:56,679 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/safe016_rmo.oepc.i[993,1006] [2021-12-15 12:24:56,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:24:56,769 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:24:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56 WrapperNode [2021-12-15 12:24:56,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:24:56,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:56,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:24:56,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:24:56,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,836 INFO L137 Inliner]: procedures = 181, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 278 [2021-12-15 12:24:56,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:24:56,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:24:56,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:24:56,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:24:56,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:24:56,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:24:56,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:24:56,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:24:56,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:24:56" (1/1) ... [2021-12-15 12:24:56,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:24:56,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:24:56,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:24:56,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:24:56,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:24:56,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:24:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:24:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:24:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:24:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:24:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:24:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:24:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:24:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:24:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:24:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:24:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:24:56,980 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:24:57,187 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:24:57,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:24:57,888 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:24:57,982 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:24:57,987 INFO L158 Benchmark]: Toolchain (without parser) took 1783.54ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.9MB in the beginning and 26.7MB in the end (delta: -857.4kB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,991 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:24:57,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.25ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.7MB in the beginning and 29.9MB in the end (delta: -4.2MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.58ms. Allocated memory is still 60.8MB. Free memory was 29.9MB in the beginning and 40.5MB in the end (delta: -10.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,993 INFO L158 Benchmark]: Boogie Preprocessor took 64.69ms. Allocated memory is still 60.8MB. Free memory was 40.5MB in the beginning and 37.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,993 INFO L158 Benchmark]: RCFGBuilder took 1082.97ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 26.7MB in the end (delta: 10.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-12-15 12:24:57,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.25ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.7MB in the beginning and 29.9MB in the end (delta: -4.2MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.58ms. Allocated memory is still 60.8MB. Free memory was 29.9MB in the beginning and 40.5MB in the end (delta: -10.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.69ms. Allocated memory is still 60.8MB. Free memory was 40.5MB in the beginning and 37.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1082.97ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 26.7MB in the end (delta: 10.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:24:58,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable