./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix022_tso.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/mix022_tso.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 c9c6cc212d45f96c9e6587b0ee0d7644c3fabb2c198a03ef385d6df2e7b46689 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:51,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:51,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:51,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:51,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:51,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:51,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:51,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:51,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:51,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:51,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:51,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:51,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:51,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:51,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:51,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:51,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:51,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:51,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:51,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:51,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:51,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:51,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:51,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:51,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:51,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:51,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:51,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:51,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:51,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:51,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:51,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:51,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:51,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:51,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:51,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:51,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:51,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:51,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:51,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:51,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:51,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:22:51,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:51,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:51,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:51,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:51,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:51,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:51,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:51,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:51,241 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:51,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:51,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:51,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:22:51,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:51,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:51,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:51,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:51,243 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:51,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:51,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:51,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:51,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:51,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:51,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:51,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:51,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:51,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:51,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:51,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:51,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:22:51,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:22:51,245 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:51,245 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:51,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:51,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:51,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9c6cc212d45f96c9e6587b0ee0d7644c3fabb2c198a03ef385d6df2e7b46689 [2021-12-15 12:22:51,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:51,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:51,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:51,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:51,441 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:51,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix022_tso.i [2021-12-15 12:22:51,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ef55eb0/626709f7b97444fdb811f22cbad175fa/FLAG6e16bc8e8 [2021-12-15 12:22:51,904 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:51,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_tso.i [2021-12-15 12:22:51,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ef55eb0/626709f7b97444fdb811f22cbad175fa/FLAG6e16bc8e8 [2021-12-15 12:22:51,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ef55eb0/626709f7b97444fdb811f22cbad175fa [2021-12-15 12:22:51,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:51,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:51,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:51,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:51,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:51,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:51" (1/1) ... [2021-12-15 12:22:51,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d04a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:51, skipping insertion in model container [2021-12-15 12:22:51,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:51" (1/1) ... [2021-12-15 12:22:51,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:51,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:52,106 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/mix022_tso.i[944,957] [2021-12-15 12:22:52,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:52,254 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:52,265 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/mix022_tso.i[944,957] [2021-12-15 12:22:52,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:52,343 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:52,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52 WrapperNode [2021-12-15 12:22:52,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:52,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:52,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:52,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:52,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,407 INFO L137 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 362 [2021-12-15 12:22:52,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:52,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:52,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:52,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:52,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:52,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:52,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:52,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:52,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:52" (1/1) ... [2021-12-15 12:22:52,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:52,483 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 12:22:52,498 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 12:22:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:52,516 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 12:22:52,633 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:52,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:53,055 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:53,119 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 12:22:53,123 INFO L158 Benchmark]: Toolchain (without parser) took 1193.10ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 69.3MB in the beginning and 66.5MB in the end (delta: 2.9MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:53,124 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:53,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.14ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 69.3MB in the beginning and 110.5MB in the end (delta: -41.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:53,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.35ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 106.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:53,125 INFO L158 Benchmark]: Boogie Preprocessor took 40.11ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:53,126 INFO L158 Benchmark]: RCFGBuilder took 659.10ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 66.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 12:22:53,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.14ms. Allocated memory was 98.6MB in the beginning and 146.8MB in the end (delta: 48.2MB). Free memory was 69.3MB in the beginning and 110.5MB in the end (delta: -41.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.35ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 106.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.11ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.10ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 66.5MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. 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 12:22:53,160 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/mix022_tso.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 c9c6cc212d45f96c9e6587b0ee0d7644c3fabb2c198a03ef385d6df2e7b46689 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:54,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:54,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:54,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:54,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:54,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:54,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:54,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:54,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:54,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:54,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:54,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:54,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:54,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:54,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:54,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:54,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:54,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:54,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:54,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:54,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:54,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:54,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:54,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:54,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:54,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:54,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:54,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:54,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:54,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:54,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:54,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:54,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:54,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:54,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:54,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:54,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:54,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:54,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:54,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:54,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:54,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:54,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:54,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:54,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:54,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:54,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:54,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:54,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:54,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:54,812 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:54,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:54,813 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:54,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:54,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:54,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:54,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:54,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:54,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:54,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:54,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:54,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:54,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:54,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:54,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:54,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:54,816 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:54,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:54,816 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:54,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:54,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:54,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:54,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:54,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9c6cc212d45f96c9e6587b0ee0d7644c3fabb2c198a03ef385d6df2e7b46689 [2021-12-15 12:22:55,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:55,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:55,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:55,100 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:55,104 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:55,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix022_tso.i [2021-12-15 12:22:55,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda671f00/7b6e1869758a48c0b0c41e4ea32f9cc1/FLAGf1b8a4d45 [2021-12-15 12:22:55,573 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:55,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_tso.i [2021-12-15 12:22:55,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda671f00/7b6e1869758a48c0b0c41e4ea32f9cc1/FLAGf1b8a4d45 [2021-12-15 12:22:55,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dda671f00/7b6e1869758a48c0b0c41e4ea32f9cc1 [2021-12-15 12:22:55,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:55,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:55,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:55,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:55,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:55,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:55" (1/1) ... [2021-12-15 12:22:55,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78125d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:55, skipping insertion in model container [2021-12-15 12:22:55,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:55" (1/1) ... [2021-12-15 12:22:55,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:55,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:55,768 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/mix022_tso.i[944,957] [2021-12-15 12:22:55,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:55,982 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:55,991 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/mix022_tso.i[944,957] [2021-12-15 12:22:56,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:56,068 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:56,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56 WrapperNode [2021-12-15 12:22:56,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:56,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:56,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:56,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:56,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,130 INFO L137 Inliner]: procedures = 178, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 363 [2021-12-15 12:22:56,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:56,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:56,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:56,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:56,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:56,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:56,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:56,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:56,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2021-12-15 12:22:56,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:56,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:56,214 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 12:22:56,227 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 12:22:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:56,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:56,249 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:22:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:22:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:22:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:22:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:56,251 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 12:22:56,379 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:56,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:56,816 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:56,879 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 12:22:56,884 INFO L158 Benchmark]: Toolchain (without parser) took 1273.06ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.3MB in the beginning and 43.8MB in the end (delta: -455.5kB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:56,885 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:56,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.27ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 33.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:22:56,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.33ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 30.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:56,886 INFO L158 Benchmark]: Boogie Preprocessor took 42.59ms. Allocated memory is still 65.0MB. Free memory was 30.3MB in the beginning and 44.5MB in the end (delta: -14.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:56,887 INFO L158 Benchmark]: RCFGBuilder took 707.79ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 44.5MB in the beginning and 43.8MB in the end (delta: 717.4kB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-15 12:22:56,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 65.0MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.27ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 33.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.33ms. Allocated memory is still 65.0MB. Free memory was 33.5MB in the beginning and 30.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.59ms. Allocated memory is still 65.0MB. Free memory was 30.3MB in the beginning and 44.5MB in the end (delta: -14.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 707.79ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 44.5MB in the beginning and 43.8MB in the end (delta: 717.4kB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:56,922 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