./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu --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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:06,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:06,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:06,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:06,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:06,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:06,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:06,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:06,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:06,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:06,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:06,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:06,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:06,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:06,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:06,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:06,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:06,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:06,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:06,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:06,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:06,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:06,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:06,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:06,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:06,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:06,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:06,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:06,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:06,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:06,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:06,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:06,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:06,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:06,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:06,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:06,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:06,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:06,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:06,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:06,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:06,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:06,263 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:06,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:06,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:06,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:06,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:06,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:06,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:06,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:06,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:06,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:06,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:06,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:06,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:06,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:06,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:06,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:06,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:06,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:06,275 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:06,275 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:06,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:06,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:06,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:06,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:06,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:06,276 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:06,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:06,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:06,277 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_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-23 15:55:06,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:06,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:06,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:06,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:06,561 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:06,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 15:55:06,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/57e1e05fa/89f1c21f152b4436b323aad49825ee32/FLAG6e75be967 [2021-11-23 15:55:07,303 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:07,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 15:55:07,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/57e1e05fa/89f1c21f152b4436b323aad49825ee32/FLAG6e75be967 [2021-11-23 15:55:07,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/57e1e05fa/89f1c21f152b4436b323aad49825ee32 [2021-11-23 15:55:07,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:07,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:07,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:07,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:07,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:07,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:07,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523acdc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07, skipping insertion in model container [2021-11-23 15:55:07,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:07,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:07,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:08,239 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 15:55:08,269 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 15:55:08,274 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 15:55:08,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:08,298 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:08,363 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 15:55:08,407 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 15:55:08,410 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 15:55:08,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:08,567 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:08,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08 WrapperNode [2021-11-23 15:55:08,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:08,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:08,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:08,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:08,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,666 INFO L137 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 394 [2021-11-23 15:55:08,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:08,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:08,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:08,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:08,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:08,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:08,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:08,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:08,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:08,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:08,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-23 15:55:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-23 15:55:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:55:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:55:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:55:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-23 15:55:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-23 15:55:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-23 15:55:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-23 15:55:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-23 15:55:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-23 15:55:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-23 15:55:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-23 15:55:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-23 15:55:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-23 15:55:08,876 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 15:55:09,210 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:09,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:09,779 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:09,823 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:09,838 INFO L158 Benchmark]: Toolchain (without parser) took 2361.48ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 64.8MB in the end (delta: -88.5kB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:09,841 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:09,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1091.16ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 76.8MB in the end (delta: -12.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:09,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.37ms. Allocated memory is still 123.7MB. Free memory was 76.8MB in the beginning and 72.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:09,844 INFO L158 Benchmark]: Boogie Preprocessor took 71.92ms. Allocated memory is still 123.7MB. Free memory was 72.3MB in the beginning and 68.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:09,845 INFO L158 Benchmark]: RCFGBuilder took 1095.75ms. Allocated memory is still 123.7MB. Free memory was 67.5MB in the beginning and 64.8MB in the end (delta: 2.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:09,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1091.16ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 64.7MB in the beginning and 76.8MB in the end (delta: -12.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.37ms. Allocated memory is still 123.7MB. Free memory was 76.8MB in the beginning and 72.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.92ms. Allocated memory is still 123.7MB. Free memory was 72.3MB in the beginning and 68.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1095.75ms. Allocated memory is still 123.7MB. Free memory was 67.5MB in the beginning and 64.8MB in the end (delta: 2.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:09,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu --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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:12,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:12,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:12,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:12,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:12,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:12,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:12,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:12,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:12,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:12,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:12,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:12,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:12,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:12,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:12,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:12,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:12,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:12,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:12,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:12,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:12,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:12,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:12,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:12,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:12,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:12,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:12,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:12,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:12,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:12,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:12,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:12,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:12,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:12,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:12,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:12,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:12,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:12,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:12,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:12,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:12,513 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:12,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:12,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:12,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:12,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:12,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:12,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:12,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:12,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:12,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:12,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:12,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:12,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:12,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:12,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:12,571 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:12,571 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:12,571 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:12,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:12,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:12,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:12,572 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:12,573 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:12,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:12,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:12,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:12,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:12,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:12,574 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:12,574 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:12,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:12,575 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:12,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:12,575 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_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2021-11-23 15:55:12,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:12,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:12,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:12,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:12,992 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:12,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 15:55:13,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/ff4db9f97/d0f92345c0034291b3ee10c3aef0ed42/FLAG449be6f39 [2021-11-23 15:55:13,819 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:13,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2021-11-23 15:55:13,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/ff4db9f97/d0f92345c0034291b3ee10c3aef0ed42/FLAG449be6f39 [2021-11-23 15:55:13,950 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/data/ff4db9f97/d0f92345c0034291b3ee10c3aef0ed42 [2021-11-23 15:55:13,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:13,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:13,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:13,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:13,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:13,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:13" (1/1) ... [2021-11-23 15:55:13,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b461143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:13, skipping insertion in model container [2021-11-23 15:55:13,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:13" (1/1) ... [2021-11-23 15:55:13,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:14,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:14,829 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 15:55:14,871 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 15:55:14,883 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 15:55:14,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:14,930 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:14,992 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2021-11-23 15:55:15,009 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2021-11-23 15:55:15,013 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_296a7453-6297-48c9-8a4d-16db077f8802/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2021-11-23 15:55:15,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:15,217 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:15,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15 WrapperNode [2021-11-23 15:55:15,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:15,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:15,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:15,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:15,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,368 INFO L137 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 382 [2021-11-23 15:55:15,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:15,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:15,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:15,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:15,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:15,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:15,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:15,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:15,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:15" (1/1) ... [2021-11-23 15:55:15,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:15,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:15,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:15,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2021-11-23 15:55:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2021-11-23 15:55:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:55:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:55:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:55:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2021-11-23 15:55:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2021-11-23 15:55:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-23 15:55:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-23 15:55:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-23 15:55:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-23 15:55:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2021-11-23 15:55:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2021-11-23 15:55:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2021-11-23 15:55:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2021-11-23 15:55:15,593 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 15:55:15,995 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:15,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:16,757 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:16,797 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:16,801 INFO L158 Benchmark]: Toolchain (without parser) took 2842.53ms. Allocated memory was 56.6MB in the beginning and 96.5MB in the end (delta: 39.8MB). Free memory was 29.2MB in the beginning and 52.6MB in the end (delta: -23.4MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:16,802 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 39.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:16,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1256.14ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 35.1MB in the end (delta: -6.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:16,804 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.08ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 35.1MB in the beginning and 69.6MB in the end (delta: -34.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:16,804 INFO L158 Benchmark]: Boogie Preprocessor took 116.53ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 64.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:16,805 INFO L158 Benchmark]: RCFGBuilder took 1311.37ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 52.6MB in the end (delta: 11.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:16,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.5MB in the beginning and 37.5MB in the end (delta: 39.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1256.14ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 35.1MB in the end (delta: -6.0MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.08ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 35.1MB in the beginning and 69.6MB in the end (delta: -34.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.53ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 64.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1311.37ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 52.6MB in the end (delta: 11.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:16,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_296a7453-6297-48c9-8a4d-16db077f8802/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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