./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.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/goblint-regression/13-privatized_57-singlethreaded-unlock_true.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 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:27:04,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:27:04,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:27:04,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:27:04,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:27:04,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:27:04,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:27:04,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:27:04,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:27:04,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:27:04,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:27:04,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:27:04,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:27:04,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:27:04,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:27:04,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:27:04,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:27:04,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:27:04,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:27:04,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:27:04,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:27:04,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:27:04,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:27:04,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:27:04,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:27:04,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:27:04,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:27:04,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:27:04,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:27:04,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:27:04,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:27:04,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:27:04,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:27:04,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:27:04,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:27:04,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:27:04,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:27:04,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:27:04,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:27:04,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:27:04,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:27:04,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:27:04,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:27:04,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:27:04,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:27:04,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:27:04,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:27:04,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:27:04,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:27:04,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:27:04,671 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:27:04,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:27:04,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:27:04,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:27:04,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:27:04,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:27:04,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:27:04,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:27:04,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:27:04,674 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:27:04,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:27:04,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:27:04,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:27:04,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:27:04,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:27:04,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:27:04,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:04,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:27:04,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:27:04,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:27:04,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:27:04,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:27:04,676 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:27:04,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:27:04,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:27:04,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:27:04,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2021-12-15 12:27:04,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:27:04,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:27:04,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:27:04,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:27:04,960 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:27:04,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2021-12-15 12:27:05,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3984768b1/28e4837b733a4b4da2cd460148706b5c/FLAG22f395dfc [2021-12-15 12:27:05,549 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:27:05,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2021-12-15 12:27:05,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3984768b1/28e4837b733a4b4da2cd460148706b5c/FLAG22f395dfc [2021-12-15 12:27:05,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3984768b1/28e4837b733a4b4da2cd460148706b5c [2021-12-15 12:27:05,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:27:05,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:27:05,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:05,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:27:05,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:27:05,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:05" (1/1) ... [2021-12-15 12:27:05,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3defa1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:05, skipping insertion in model container [2021-12-15 12:27:05,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:05" (1/1) ... [2021-12-15 12:27:05,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:27:05,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:27:06,123 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/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2021-12-15 12:27:06,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:06,298 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:27:06,311 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/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2021-12-15 12:27:06,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:06,378 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:27:06,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06 WrapperNode [2021-12-15 12:27:06,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:06,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:06,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:27:06,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:27:06,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,434 INFO L137 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-12-15 12:27:06,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:06,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:27:06,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:27:06,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:27:06,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:27:06,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:27:06,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:27:06,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:27:06,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (1/1) ... [2021-12-15 12:27:06,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:06,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:27:06,513 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 12:27:06,533 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 12:27:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:27:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:27:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:27:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:27:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:27:06,548 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:27:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:27:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:27:06,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:27:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:27:06,550 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 12:27:06,655 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:27:06,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:27:06,781 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:27:06,786 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:27:06,786 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:27:06,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:06 BoogieIcfgContainer [2021-12-15 12:27:06,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:27:06,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:27:06,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:27:06,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:27:06,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:27:05" (1/3) ... [2021-12-15 12:27:06,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db9d70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:06, skipping insertion in model container [2021-12-15 12:27:06,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:06" (2/3) ... [2021-12-15 12:27:06,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db9d70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:06, skipping insertion in model container [2021-12-15 12:27:06,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:06" (3/3) ... [2021-12-15 12:27:06,795 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2021-12-15 12:27:06,799 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:27:06,799 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:27:06,799 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:27:06,799 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:27:06,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,819 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,819 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,819 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,820 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:06,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 12:27:06,828 INFO L158 Benchmark]: Toolchain (without parser) took 966.40ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.4MB in the beginning and 51.6MB in the end (delta: 2.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-12-15 12:27:06,829 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:06,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.09ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.4MB in the beginning and 68.4MB in the end (delta: -14.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-15 12:27:06,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.11ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 66.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:06,832 INFO L158 Benchmark]: Boogie Preprocessor took 39.45ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 65.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:06,833 INFO L158 Benchmark]: RCFGBuilder took 312.58ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 55.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:27:06,834 INFO L158 Benchmark]: TraceAbstraction took 36.56ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 51.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:27:06,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.09ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.4MB in the beginning and 68.4MB in the end (delta: -14.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.11ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 66.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.45ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 65.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.58ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 55.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 36.56ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 51.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:27:06,875 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/goblint-regression/13-privatized_57-singlethreaded-unlock_true.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 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:27:08,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:27:08,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:27:08,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:27:08,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:27:08,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:27:08,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:27:08,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:27:08,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:27:08,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:27:08,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:27:08,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:27:08,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:27:08,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:27:08,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:27:08,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:27:08,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:27:08,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:27:08,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:27:08,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:27:08,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:27:08,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:27:08,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:27:08,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:27:08,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:27:08,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:27:08,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:27:08,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:27:08,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:27:08,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:27:08,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:27:08,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:27:08,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:27:08,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:27:08,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:27:08,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:27:08,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:27:08,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:27:08,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:27:08,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:27:08,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:27:08,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:27:08,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:27:08,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:27:08,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:27:08,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:27:08,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:27:08,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:27:08,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:27:08,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:27:08,964 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:27:08,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:27:08,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:27:08,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:27:08,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:27:08,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:27:08,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:27:08,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:27:08,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:27:08,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:27:08,966 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:27:08,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:27:08,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:27:08,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:27:08,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:27:08,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:27:08,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:27:08,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:27:08,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:08,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:27:08,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:27:08,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:27:08,969 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:27:08,969 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:27:08,969 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:27:08,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:27:08,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:27:08,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:27:08,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:27:08,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2021-12-15 12:27:09,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:27:09,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:27:09,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:27:09,291 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:27:09,295 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:27:09,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2021-12-15 12:27:09,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015a4443e/010df9c87cdc4c9499590940eb8a617f/FLAG007c5b4ae [2021-12-15 12:27:09,750 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:27:09,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2021-12-15 12:27:09,771 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015a4443e/010df9c87cdc4c9499590940eb8a617f/FLAG007c5b4ae [2021-12-15 12:27:10,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/015a4443e/010df9c87cdc4c9499590940eb8a617f [2021-12-15 12:27:10,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:27:10,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:27:10,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:10,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:27:10,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:27:10,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f714d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10, skipping insertion in model container [2021-12-15 12:27:10,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:27:10,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:27:10,298 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/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2021-12-15 12:27:10,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:10,514 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:27:10,527 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/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i[1098,1111] [2021-12-15 12:27:10,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:27:10,604 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:27:10,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10 WrapperNode [2021-12-15 12:27:10,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:27:10,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:10,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:27:10,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:27:10,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,666 INFO L137 Inliner]: procedures = 166, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-12-15 12:27:10,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:27:10,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:27:10,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:27:10,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:27:10,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:27:10,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:27:10,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:27:10,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:27:10,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (1/1) ... [2021-12-15 12:27:10,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:27:10,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:27:10,794 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 12:27:10,817 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 12:27:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-15 12:27:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:27:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:27:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-15 12:27:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-15 12:27:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:27:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:27:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:27:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:27:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:27:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:27:10,843 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 12:27:10,962 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:27:10,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:27:11,095 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:27:11,101 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:27:11,101 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:27:11,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:11 BoogieIcfgContainer [2021-12-15 12:27:11,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:27:11,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:27:11,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:27:11,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:27:11,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:27:10" (1/3) ... [2021-12-15 12:27:11,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468cf63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:11, skipping insertion in model container [2021-12-15 12:27:11,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:10" (2/3) ... [2021-12-15 12:27:11,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@468cf63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:27:11, skipping insertion in model container [2021-12-15 12:27:11,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:27:11" (3/3) ... [2021-12-15 12:27:11,130 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2021-12-15 12:27:11,134 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-15 12:27:11,134 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:27:11,134 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:27:11,135 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-15 12:27:11,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,171 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,172 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,172 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,172 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,172 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,172 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,173 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-15 12:27:11,174 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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 12:27:11,178 INFO L158 Benchmark]: Toolchain (without parser) took 1058.52ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.4MB in the beginning and 38.2MB in the end (delta: -7.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2021-12-15 12:27:11,179 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:27:11,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.40ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.2MB in the beginning and 41.6MB in the end (delta: -11.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-12-15 12:27:11,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.12ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 39.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:11,183 INFO L158 Benchmark]: Boogie Preprocessor took 47.52ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 38.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:11,184 INFO L158 Benchmark]: RCFGBuilder took 392.61ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 41.4MB in the end (delta: -3.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:11,185 INFO L158 Benchmark]: TraceAbstraction took 66.95ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:27:11,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.40ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.2MB in the beginning and 41.6MB in the end (delta: -11.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.12ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 39.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.52ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 38.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.61ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 41.4MB in the end (delta: -3.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 66.95ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:27:11,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable