./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/scull.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/scull.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa00f20131f5095ed14e7a46332bb5342dc26be5a17ecfa68bf5b51120e1579b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:39:30,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:39:30,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:39:30,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:39:30,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:39:30,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:39:30,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:39:30,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:39:30,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:39:30,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:39:30,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:39:30,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:39:30,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:39:30,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:39:30,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:39:30,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:39:30,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:39:30,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:39:30,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:39:30,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:39:30,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:39:30,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:39:30,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:39:30,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:39:30,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:39:30,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:39:30,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:39:30,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:39:30,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:39:30,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:39:30,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:39:30,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:39:30,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:39:30,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:39:30,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:39:30,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:39:30,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:39:30,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:39:30,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:39:30,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:39:30,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:39:30,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:39:30,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:39:30,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:39:30,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:39:30,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:39:30,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:39:30,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:39:30,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:39:30,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:39:30,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:39:30,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:39:30,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:39:30,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:39:30,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:39:30,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:39:30,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:39:30,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:39:30,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:39:30,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:39:30,593 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:39:30,593 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:39:30,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:39:30,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:30,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:39:30,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:39:30,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:39:30,594 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:39:30,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:39:30,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:39:30,595 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa00f20131f5095ed14e7a46332bb5342dc26be5a17ecfa68bf5b51120e1579b [2021-11-23 01:39:30,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:39:30,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:39:30,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:39:30,887 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:39:30,888 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:39:30,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-atomic/scull.i [2021-11-23 01:39:30,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/ae04beae2/40b29825bb334877bd17fac9b50ff776/FLAGdeb7818e1 [2021-11-23 01:39:31,558 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:39:31,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i [2021-11-23 01:39:31,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/ae04beae2/40b29825bb334877bd17fac9b50ff776/FLAGdeb7818e1 [2021-11-23 01:39:31,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/ae04beae2/40b29825bb334877bd17fac9b50ff776 [2021-11-23 01:39:31,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:39:31,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:39:31,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:31,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:39:31,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:39:31,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:31" (1/1) ... [2021-11-23 01:39:31,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e12540b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:31, skipping insertion in model container [2021-11-23 01:39:31,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:31" (1/1) ... [2021-11-23 01:39:31,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:39:31,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:39:32,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[30879,30892] [2021-11-23 01:39:32,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[31740,31753] [2021-11-23 01:39:32,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[32508,32521] [2021-11-23 01:39:32,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:32,474 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:39:32,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[30879,30892] [2021-11-23 01:39:32,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[31740,31753] [2021-11-23 01:39:32,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[32508,32521] [2021-11-23 01:39:32,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:32,610 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:39:32,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32 WrapperNode [2021-11-23 01:39:32,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:32,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:32,613 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:39:32,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:39:32,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,717 INFO L137 Inliner]: procedures = 185, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2021-11-23 01:39:32,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:32,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:39:32,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:39:32,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:39:32,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:39:32,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:39:32,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:39:32,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:39:32,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:32" (1/1) ... [2021-11-23 01:39:32,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:32,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:39:32,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:39:32,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:39:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-23 01:39:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-23 01:39:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:39:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:39:32,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:39:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:39:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:39:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure scull_cleanup_module [2021-11-23 01:39:32,858 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_cleanup_module [2021-11-23 01:39:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:39:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:39:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:39:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2021-11-23 01:39:32,860 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2021-11-23 01:39:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure scull_trim [2021-11-23 01:39:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_trim [2021-11-23 01:39:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:39:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-23 01:39:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-23 01:39:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure scull_follow [2021-11-23 01:39:32,861 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_follow [2021-11-23 01:39:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:39:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure scull_open [2021-11-23 01:39:32,862 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_open [2021-11-23 01:39:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:39:32,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:39:32,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:39:32,865 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:39:33,053 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:39:33,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:39:33,489 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:39:33,505 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:39:33,505 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:39:33,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:33 BoogieIcfgContainer [2021-11-23 01:39:33,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:39:33,509 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:39:33,509 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:39:33,539 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:39:33,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:33" (1/1) ... [2021-11-23 01:39:33,541 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-23 01:39:33,546 INFO L158 Benchmark]: Toolchain (without parser) took 1706.44ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 63.6MB in the beginning and 103.3MB in the end (delta: -39.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 01:39:33,546 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:33,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.07ms. Allocated memory is still 107.0MB. Free memory was 63.4MB in the beginning and 67.4MB in the end (delta: -4.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 01:39:33,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.77ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 64.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:33,549 INFO L158 Benchmark]: Boogie Preprocessor took 50.85ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 62.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:39:33,550 INFO L158 Benchmark]: RCFGBuilder took 737.62ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 40.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:39:33,551 INFO L158 Benchmark]: CodeCheck took 34.59ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 40.9MB in the beginning and 103.3MB in the end (delta: -62.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 01:39:33,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.07ms. Allocated memory is still 107.0MB. Free memory was 63.4MB in the beginning and 67.4MB in the end (delta: -4.0MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.77ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 64.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.85ms. Allocated memory is still 107.0MB. Free memory was 64.3MB in the beginning and 62.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 737.62ms. Allocated memory is still 107.0MB. Free memory was 62.5MB in the beginning and 40.9MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 34.59ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 40.9MB in the beginning and 103.3MB in the end (delta: -62.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:39:33,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/scull.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa00f20131f5095ed14e7a46332bb5342dc26be5a17ecfa68bf5b51120e1579b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:39:36,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:39:36,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:39:36,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:39:36,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:39:36,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:39:36,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:39:36,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:39:36,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:39:36,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:39:36,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:39:36,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:39:36,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:39:36,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:39:36,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:39:36,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:39:36,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:39:36,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:39:36,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:39:36,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:39:36,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:39:36,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:39:36,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:39:36,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:39:36,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:39:36,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:39:36,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:39:36,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:39:36,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:39:36,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:39:36,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:39:36,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:39:36,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:39:36,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:39:36,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:39:36,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:39:36,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:39:36,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:39:36,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:39:36,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:39:36,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:39:36,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:39:36,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:39:36,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:39:36,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:39:36,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:39:36,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:39:36,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:39:36,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:39:36,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:39:36,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:39:36,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:39:36,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:39:36,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:39:36,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:39:36,311 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:39:36,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:39:36,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:39:36,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:39:36,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:39:36,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:39:36,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:39:36,313 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:39:36,313 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:39:36,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:39:36,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:36,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:39:36,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:39:36,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:39:36,315 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:39:36,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:39:36,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:39:36,315 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:39:36,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:39:36,316 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa00f20131f5095ed14e7a46332bb5342dc26be5a17ecfa68bf5b51120e1579b [2021-11-23 01:39:36,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:39:36,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:39:36,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:39:36,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:39:36,737 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:39:36,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-atomic/scull.i [2021-11-23 01:39:36,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/b9dba6a69/bed755fb88594489a23020e93aaad672/FLAG8b3d9afd5 [2021-11-23 01:39:37,523 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:39:37,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i [2021-11-23 01:39:37,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/b9dba6a69/bed755fb88594489a23020e93aaad672/FLAG8b3d9afd5 [2021-11-23 01:39:37,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/data/b9dba6a69/bed755fb88594489a23020e93aaad672 [2021-11-23 01:39:37,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:39:37,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:39:37,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:37,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:39:37,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:39:37,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:37" (1/1) ... [2021-11-23 01:39:37,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45af2b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:37, skipping insertion in model container [2021-11-23 01:39:37,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:39:37" (1/1) ... [2021-11-23 01:39:37,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:39:37,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:39:38,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[30879,30892] [2021-11-23 01:39:38,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[31740,31753] [2021-11-23 01:39:38,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[32508,32521] [2021-11-23 01:39:38,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:38,337 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:39:38,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[30879,30892] [2021-11-23 01:39:38,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[31740,31753] [2021-11-23 01:39:38,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/sv-benchmarks/c/pthread-atomic/scull.i[32508,32521] [2021-11-23 01:39:38,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:39:38,488 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:39:38,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38 WrapperNode [2021-11-23 01:39:38,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:39:38,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:38,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:39:38,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:39:38,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,602 INFO L137 Inliner]: procedures = 189, calls = 58, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 225 [2021-11-23 01:39:38,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:39:38,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:39:38,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:39:38,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:39:38,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:39:38,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:39:38,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:39:38,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:39:38,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:39:38" (1/1) ... [2021-11-23 01:39:38,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:39:38,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:39:38,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:39:38,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:39:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-11-23 01:39:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-11-23 01:39:38,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:39:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:39:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:39:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:39:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:39:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure scull_cleanup_module [2021-11-23 01:39:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_cleanup_module [2021-11-23 01:39:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:39:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:39:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2021-11-23 01:39:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2021-11-23 01:39:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure scull_trim [2021-11-23 01:39:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_trim [2021-11-23 01:39:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:39:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-23 01:39:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-23 01:39:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure scull_follow [2021-11-23 01:39:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_follow [2021-11-23 01:39:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:39:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:39:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:39:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:39:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure scull_open [2021-11-23 01:39:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_open [2021-11-23 01:39:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:39:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:39:38,786 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:39:38,971 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:39:38,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:39:39,690 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:39:39,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:39:39,711 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:39:39,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:39 BoogieIcfgContainer [2021-11-23 01:39:39,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:39:39,715 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:39:39,715 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:39:39,728 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:39:39,728 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:39" (1/1) ... [2021-11-23 01:39:39,729 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-23 01:39:39,735 INFO L158 Benchmark]: Toolchain (without parser) took 1950.22ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 29.7MB in the end (delta: 16.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-23 01:39:39,736 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:39,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.20ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 37.2MB in the end (delta: 9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:39:39,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.56ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 34.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:39,740 INFO L158 Benchmark]: Boogie Preprocessor took 85.26ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 31.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:39:39,741 INFO L158 Benchmark]: RCFGBuilder took 1025.12ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 30.6MB in the end (delta: 1.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-23 01:39:39,741 INFO L158 Benchmark]: CodeCheck took 17.55ms. Allocated memory is still 69.2MB. Free memory was 30.6MB in the beginning and 29.7MB in the end (delta: 909.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:39:39,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.20ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 37.2MB in the end (delta: 9.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.56ms. Allocated memory is still 69.2MB. Free memory was 37.2MB in the beginning and 34.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 85.26ms. Allocated memory is still 69.2MB. Free memory was 34.2MB in the beginning and 31.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.12ms. Allocated memory is still 69.2MB. Free memory was 31.9MB in the beginning and 30.6MB in the end (delta: 1.4MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * CodeCheck took 17.55ms. Allocated memory is still 69.2MB. Free memory was 30.6MB in the beginning and 29.7MB in the end (delta: 909.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:39:39,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1336c9cf-eba1-42c5-8357-847d7a22fdf2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: Concurrent programs are currently unsupported