./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.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-ext/39_rand_lock_p0_vs.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 13ffae79fd42fd88852ffaba2bbbf2601df90fdda2b5dc6bd9b6228e2cf540c7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:07,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:07,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:07,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:07,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:07,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:07,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:07,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:07,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:07,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:07,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:07,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:07,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:07,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:07,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:07,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:07,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:07,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:07,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:07,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:07,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:07,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:07,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:07,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:07,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:07,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:07,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:07,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:07,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:07,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:07,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:07,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:07,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:07,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:07,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:07,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:07,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:07,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:07,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:07,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:07,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:07,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:22:07,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:07,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:07,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:07,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:07,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:07,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:07,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:07,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:07,776 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:07,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:07,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:07,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:07,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:07,779 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:07,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:07,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:07,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:07,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:07,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:07,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:07,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:07,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:07,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:22:07,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:22:07,780 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:07,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:07,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:07,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:07,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ffae79fd42fd88852ffaba2bbbf2601df90fdda2b5dc6bd9b6228e2cf540c7 [2021-12-15 12:22:08,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:08,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:08,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:08,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:08,075 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:08,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2021-12-15 12:22:08,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b6b70fc/b6389f5185f346f8818042fc49d9406e/FLAGbc86794c7 [2021-12-15 12:22:08,715 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:08,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2021-12-15 12:22:08,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b6b70fc/b6389f5185f346f8818042fc49d9406e/FLAGbc86794c7 [2021-12-15 12:22:09,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b6b70fc/b6389f5185f346f8818042fc49d9406e [2021-12-15 12:22:09,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:09,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:09,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:09,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:09,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:09,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b142324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09, skipping insertion in model container [2021-12-15 12:22:09,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:09,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:09,316 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:22:09,424 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-ext/39_rand_lock_p0_vs.i[30959,30972] [2021-12-15 12:22:09,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:09,439 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:09,456 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:22:09,482 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-ext/39_rand_lock_p0_vs.i[30959,30972] [2021-12-15 12:22:09,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:09,523 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:09,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09 WrapperNode [2021-12-15 12:22:09,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:09,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:09,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:09,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:09,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,558 INFO L137 Inliner]: procedures = 176, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2021-12-15 12:22:09,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:09,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:09,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:09,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:09,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:09,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:09,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:09,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:09,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:09" (1/1) ... [2021-12-15 12:22:09,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:09,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:09,623 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 12:22:09,630 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 12:22:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-15 12:22:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-15 12:22:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:22:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:22:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:09,651 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 12:22:09,781 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:09,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:09,918 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:09,940 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 12:22:09,946 INFO L158 Benchmark]: Toolchain (without parser) took 798.10ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 64.4MB in the end (delta: -12.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:09,946 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 90.2MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:09,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.93ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 55.6MB in the end (delta: -3.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-12-15 12:22:09,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.27ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:09,949 INFO L158 Benchmark]: Boogie Preprocessor took 25.11ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 52.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:09,949 INFO L158 Benchmark]: RCFGBuilder took 359.67ms. Allocated memory is still 90.2MB. Free memory was 52.1MB in the beginning and 64.4MB in the end (delta: -12.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-15 12:22:09,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 90.2MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.93ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 55.6MB in the end (delta: -3.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.27ms. Allocated memory is still 90.2MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.11ms. Allocated memory is still 90.2MB. Free memory was 53.5MB in the beginning and 52.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.67ms. Allocated memory is still 90.2MB. Free memory was 52.1MB in the beginning and 64.4MB in the end (delta: -12.2MB). Peak memory consumption was 12.7MB. 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 12:22:09,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.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 13ffae79fd42fd88852ffaba2bbbf2601df90fdda2b5dc6bd9b6228e2cf540c7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:22:11,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:22:12,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:22:12,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:22:12,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:22:12,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:22:12,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:22:12,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:22:12,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:22:12,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:22:12,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:22:12,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:22:12,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:22:12,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:22:12,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:22:12,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:22:12,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:22:12,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:22:12,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:22:12,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:22:12,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:22:12,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:22:12,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:22:12,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:22:12,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:22:12,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:22:12,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:22:12,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:22:12,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:22:12,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:22:12,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:22:12,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:22:12,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:22:12,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:22:12,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:22:12,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:22:12,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:22:12,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:22:12,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:22:12,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:22:12,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:22:12,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:22:12,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:22:12,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:22:12,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:22:12,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:22:12,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:22:12,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:22:12,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:22:12,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:22:12,119 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:22:12,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:22:12,119 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:22:12,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:22:12,121 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:22:12,121 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:22:12,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:22:12,121 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:22:12,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:22:12,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:22:12,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:22:12,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:22:12,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:12,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:22:12,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:22:12,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:22:12,123 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:22:12,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:22:12,123 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:22:12,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:22:12,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:22:12,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:22:12,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:22:12,124 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ffae79fd42fd88852ffaba2bbbf2601df90fdda2b5dc6bd9b6228e2cf540c7 [2021-12-15 12:22:12,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:22:12,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:22:12,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:22:12,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:22:12,416 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:22:12,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2021-12-15 12:22:12,460 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d7f299d/9ee668fb100744c980bdb22cd49d2924/FLAG0f1a58e72 [2021-12-15 12:22:12,898 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:22:12,899 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/39_rand_lock_p0_vs.i [2021-12-15 12:22:12,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d7f299d/9ee668fb100744c980bdb22cd49d2924/FLAG0f1a58e72 [2021-12-15 12:22:13,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6d7f299d/9ee668fb100744c980bdb22cd49d2924 [2021-12-15 12:22:13,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:22:13,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:22:13,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:13,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:22:13,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:22:13,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4651c4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13, skipping insertion in model container [2021-12-15 12:22:13,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:22:13,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:22:13,450 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:22:13,575 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-ext/39_rand_lock_p0_vs.i[30959,30972] [2021-12-15 12:22:13,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:13,600 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:22:13,619 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-15 12:22:13,637 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-ext/39_rand_lock_p0_vs.i[30959,30972] [2021-12-15 12:22:13,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:22:13,682 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:22:13,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13 WrapperNode [2021-12-15 12:22:13,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:22:13,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:13,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:22:13,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:22:13,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,737 INFO L137 Inliner]: procedures = 179, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2021-12-15 12:22:13,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:22:13,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:22:13,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:22:13,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:22:13,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:22:13,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:22:13,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:22:13,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:22:13,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:13" (1/1) ... [2021-12-15 12:22:13,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:22:13,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:22:13,827 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 12:22:13,835 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 12:22:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-15 12:22:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-15 12:22:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:22:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:22:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:22:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:22:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:22:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:22:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:22:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:22:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:22:13,859 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 12:22:13,945 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:22:13,946 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:22:14,109 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:22:14,122 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 12:22:14,130 INFO L158 Benchmark]: Toolchain (without parser) took 889.61ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 41.1MB in the end (delta: -7.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-15 12:22:14,131 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:22:14,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.05ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 41.4MB in the end (delta: -8.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-15 12:22:14,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.58ms. Allocated memory is still 69.2MB. Free memory was 41.4MB in the beginning and 39.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:14,133 INFO L158 Benchmark]: Boogie Preprocessor took 48.61ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 37.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:22:14,133 INFO L158 Benchmark]: RCFGBuilder took 340.46ms. Allocated memory is still 69.2MB. Free memory was 37.7MB in the beginning and 41.1MB in the end (delta: -3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:22:14,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 37.8MB in the beginning and 37.8MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.05ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.1MB in the beginning and 41.4MB in the end (delta: -8.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.58ms. Allocated memory is still 69.2MB. Free memory was 41.4MB in the beginning and 39.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.61ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 37.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.46ms. Allocated memory is still 69.2MB. Free memory was 37.7MB in the beginning and 41.1MB in the end (delta: -3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:22:14,168 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