./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix043.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix043.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:28,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:28,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:28,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:28,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:28,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:28,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:28,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:28,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:28,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:28,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:28,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:28,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:28,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:28,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:28,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:28,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:28,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:28,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:28,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:28,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:28,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:28,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:28,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:28,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:28,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:28,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:28,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:28,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:28,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:28,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:28,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:28,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:28,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:28,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:28,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:28,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:28,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:28,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:28,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:28,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:28,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:23:28,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:28,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:28,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:28,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:28,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:28,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:28,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:28,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:28,175 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:28,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:28,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:28,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:23:28,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:28,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:28,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:28,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:28,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:28,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:28,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:28,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:28,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:28,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:23:28,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:23:28,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:28,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:28,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:28,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:28,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db [2021-12-15 12:23:28,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:28,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:28,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:28,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:28,393 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:28,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix043.opt.i [2021-12-15 12:23:28,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da92fea95/f7d2b39bd4f14865ba5819e9408cfc0e/FLAG917a5cbb1 [2021-12-15 12:23:28,908 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:28,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.opt.i [2021-12-15 12:23:28,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da92fea95/f7d2b39bd4f14865ba5819e9408cfc0e/FLAG917a5cbb1 [2021-12-15 12:23:29,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da92fea95/f7d2b39bd4f14865ba5819e9408cfc0e [2021-12-15 12:23:29,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:29,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:29,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:29,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:29,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:29,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:29,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637d9ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29, skipping insertion in model container [2021-12-15 12:23:29,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:29,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:29,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:29,618 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/mix043.opt.i[944,957] [2021-12-15 12:23:29,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:29,835 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:29,844 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/mix043.opt.i[944,957] [2021-12-15 12:23:29,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:29,928 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:29,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29 WrapperNode [2021-12-15 12:23:29,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:29,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:29,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:29,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:29,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:29,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,001 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 299 [2021-12-15 12:23:30,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:30,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:30,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:30,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:30,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:30,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:30,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:30,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:30,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:29" (1/1) ... [2021-12-15 12:23:30,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:30,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:23:30,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:23:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:23:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:23:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:23:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:23:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:23:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:23:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:30,147 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:23:30,285 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:30,287 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:30,749 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:30,791 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:23:30,795 INFO L158 Benchmark]: Toolchain (without parser) took 1524.38ms. Allocated memory is still 109.1MB. Free memory was 71.9MB in the beginning and 75.7MB in the end (delta: -3.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-12-15 12:23:30,795 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:30,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.51ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.9MB in the end (delta: 860.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:23:30,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.88ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 67.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:30,797 INFO L158 Benchmark]: Boogie Preprocessor took 50.10ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:30,797 INFO L158 Benchmark]: RCFGBuilder took 740.35ms. Allocated memory is still 109.1MB. Free memory was 65.4MB in the beginning and 75.7MB in the end (delta: -10.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-12-15 12:23:30,799 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 109.1MB. Free memory was 80.1MB in the beginning and 80.1MB in the end (delta: 26.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.51ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.9MB in the end (delta: 860.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.88ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 67.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.10ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.35ms. Allocated memory is still 109.1MB. Free memory was 65.4MB in the beginning and 75.7MB in the end (delta: -10.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:23:30,825 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/mix043.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:23:32,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:23:32,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:23:33,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:23:33,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:23:33,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:23:33,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:23:33,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:23:33,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:23:33,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:23:33,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:23:33,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:23:33,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:23:33,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:23:33,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:23:33,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:23:33,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:23:33,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:23:33,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:23:33,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:23:33,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:23:33,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:23:33,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:23:33,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:23:33,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:23:33,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:23:33,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:23:33,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:23:33,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:23:33,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:23:33,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:23:33,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:23:33,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:23:33,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:23:33,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:23:33,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:23:33,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:23:33,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:23:33,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:23:33,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:23:33,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:23:33,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:23:33,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:23:33,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:23:33,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:23:33,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:23:33,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:23:33,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:23:33,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:23:33,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:23:33,093 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:23:33,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:23:33,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:23:33,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:23:33,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:23:33,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:23:33,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:23:33,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:23:33,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:23:33,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:23:33,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:23:33,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:33,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:23:33,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:23:33,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:23:33,097 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:23:33,097 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:23:33,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:23:33,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:23:33,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:23:33,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:23:33,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:23:33,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db [2021-12-15 12:23:33,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:23:33,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:23:33,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:23:33,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:23:33,370 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:23:33,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix043.opt.i [2021-12-15 12:23:33,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ccf8663/00ca4ca3dcf5479bb6ddc44834fff787/FLAGa2ab01d44 [2021-12-15 12:23:33,885 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:23:33,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix043.opt.i [2021-12-15 12:23:33,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ccf8663/00ca4ca3dcf5479bb6ddc44834fff787/FLAGa2ab01d44 [2021-12-15 12:23:33,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ccf8663/00ca4ca3dcf5479bb6ddc44834fff787 [2021-12-15 12:23:33,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:23:33,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:23:33,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:33,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:23:33,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:23:33,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:33" (1/1) ... [2021-12-15 12:23:33,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558c6490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:33, skipping insertion in model container [2021-12-15 12:23:33,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:23:33" (1/1) ... [2021-12-15 12:23:33,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:23:33,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:23:34,108 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/mix043.opt.i[944,957] [2021-12-15 12:23:34,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:34,340 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:23:34,352 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/mix043.opt.i[944,957] [2021-12-15 12:23:34,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:23:34,454 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:23:34,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34 WrapperNode [2021-12-15 12:23:34,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:23:34,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:34,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:23:34,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:23:34,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,551 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 300 [2021-12-15 12:23:34,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:23:34,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:23:34,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:23:34,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:23:34,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:23:34,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:23:34,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:23:34,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:23:34,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:23:34" (1/1) ... [2021-12-15 12:23:34,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:23:34,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:23:34,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:23:34,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:23:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:23:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:23:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:23:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:23:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:23:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:23:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:23:34,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:23:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:23:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:23:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:23:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:23:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-15 12:23:34,718 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-15 12:23:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:23:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:23:34,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:23:34,721 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:23:34,876 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:23:34,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:23:35,290 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:23:35,375 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:23:35,383 INFO L158 Benchmark]: Toolchain (without parser) took 1474.77ms. Allocated memory was 46.1MB in the beginning and 71.3MB in the end (delta: 25.2MB). Free memory was 29.9MB in the beginning and 44.8MB in the end (delta: -14.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,384 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:23:35,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.69ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 29.7MB in the beginning and 27.3MB in the end (delta: 2.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.55ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 37.7MB in the end (delta: -10.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,386 INFO L158 Benchmark]: Boogie Preprocessor took 80.73ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 35.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,387 INFO L158 Benchmark]: RCFGBuilder took 747.37ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 34.9MB in the beginning and 44.8MB in the end (delta: -9.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-12-15 12:23:35,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.69ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 29.7MB in the beginning and 27.3MB in the end (delta: 2.4MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.55ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 37.7MB in the end (delta: -10.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.73ms. Allocated memory is still 56.6MB. Free memory was 37.7MB in the beginning and 35.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.37ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 34.9MB in the beginning and 44.8MB in the end (delta: -9.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:23:35,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable