./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c --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_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/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_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/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_72292b94-ef5a-472e-9dda-7c91e7a46334/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 fb1091d73aa20044da5f23529d9b458b78a9fc672c28c9226a1c2bddab62484e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:26,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:26,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:26,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:26,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:26,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:26,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:26,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:26,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:26,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:26,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:26,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:26,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:26,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:26,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:26,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:26,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:26,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:26,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:26,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:26,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:26,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:26,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:26,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:26,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:26,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:26,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:26,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:26,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:26,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:26,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:26,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:26,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:26,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:26,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:26,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:26,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:26,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:26,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:26,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:26,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:26,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:26,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:26,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:26,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:26,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:26,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:26,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:26,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:26,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:26,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:26,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:26,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:26,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:26,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:26,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:26,492 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:26,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:26,492 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:26,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:26,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:26,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:26,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:26,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:26,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:26,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:26,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:26,494 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:26,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:26,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:26,495 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_72292b94-ef5a-472e-9dda-7c91e7a46334/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1091d73aa20044da5f23529d9b458b78a9fc672c28c9226a1c2bddab62484e [2021-11-23 15:04:26,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:26,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:26,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:26,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:26,801 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:26,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2021-11-23 15:04:26,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/2d3ed641c/b85da47275004a04ab7fb7aeb03bf385/FLAGe3b638c59 [2021-11-23 15:04:27,394 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:27,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2021-11-23 15:04:27,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/2d3ed641c/b85da47275004a04ab7fb7aeb03bf385/FLAGe3b638c59 [2021-11-23 15:04:27,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/2d3ed641c/b85da47275004a04ab7fb7aeb03bf385 [2021-11-23 15:04:27,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:27,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:27,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:27,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:27,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:27,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732610e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:27, skipping insertion in model container [2021-11-23 15:04:27,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:27" (1/1) ... [2021-11-23 15:04:27,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:27,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:27,949 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[914,927] [2021-11-23 15:04:28,000 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[7125,7138] [2021-11-23 15:04:28,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:28,084 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:28,096 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[914,927] [2021-11-23 15:04:28,154 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[7125,7138] [2021-11-23 15:04:28,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:28,213 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:28,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28 WrapperNode [2021-11-23 15:04:28,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:28,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:28,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:28,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:28,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,316 INFO L137 Inliner]: procedures = 67, calls = 79, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 751 [2021-11-23 15:04:28,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:28,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:28,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:28,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:28,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:28,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:28,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:28,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:28,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:28" (1/1) ... [2021-11-23 15:04:28,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:28,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:28,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:28,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:04:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:04:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:04:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:04:28,473 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:04:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:04:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:04:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:04:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:04:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:04:28,474 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:04:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:04:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:04:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:04:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:04:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:04:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:04:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:04:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:04:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:04:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:04:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:04:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:04:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:04:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:04:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:04:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:28,477 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:04:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:04:28,603 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:28,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:29,447 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:29,546 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:04:29,550 INFO L158 Benchmark]: Toolchain (without parser) took 1854.83ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 91.8MB in the end (delta: -9.8MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:29,551 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 99.5MB in the beginning and 99.5MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:29,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.60ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 86.6MB in the end (delta: -4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:29,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.28ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 82.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:29,554 INFO L158 Benchmark]: Boogie Preprocessor took 78.04ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 79.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:29,555 INFO L158 Benchmark]: RCFGBuilder took 1152.58ms. Allocated memory is still 121.6MB. Free memory was 79.4MB in the beginning and 91.8MB in the end (delta: -12.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:29,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 99.5MB in the beginning and 99.5MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.60ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 86.6MB in the end (delta: -4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.28ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 82.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.04ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 79.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1152.58ms. Allocated memory is still 121.6MB. Free memory was 79.4MB in the beginning and 91.8MB in the end (delta: -12.4MB). Peak memory consumption was 42.9MB. 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 15:04:29,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/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_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/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_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/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_72292b94-ef5a-472e-9dda-7c91e7a46334/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 fb1091d73aa20044da5f23529d9b458b78a9fc672c28c9226a1c2bddab62484e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:32,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:32,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:32,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:32,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:32,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:32,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:32,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:32,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:32,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:32,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:32,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:32,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:32,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:32,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:32,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:32,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:32,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:32,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:32,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:32,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:32,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:32,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:32,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:32,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:32,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:32,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:32,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:32,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:32,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:32,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:32,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:32,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:32,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:32,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:32,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:32,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:32,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:32,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:32,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:32,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:32,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:32,370 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:32,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:32,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:32,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:32,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:32,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:32,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:32,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:32,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:32,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:32,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:32,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:32,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:32,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:32,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:32,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:32,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:32,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:32,376 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:32,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:32,376 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:32,376 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:32,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:32,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:32,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:32,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:32,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:32,378 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:32,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:32,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:32,379 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:32,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:32,379 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_72292b94-ef5a-472e-9dda-7c91e7a46334/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb1091d73aa20044da5f23529d9b458b78a9fc672c28c9226a1c2bddab62484e [2021-11-23 15:04:32,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:32,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:32,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:32,806 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:32,807 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:32,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2021-11-23 15:04:32,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/2c2ea78e4/92dbba40fb2f4654a63aaeaf4848518a/FLAG0e19dc6c5 [2021-11-23 15:04:33,474 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:33,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c [2021-11-23 15:04:33,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/2c2ea78e4/92dbba40fb2f4654a63aaeaf4848518a/FLAG0e19dc6c5 [2021-11-23 15:04:33,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/data/2c2ea78e4/92dbba40fb2f4654a63aaeaf4848518a [2021-11-23 15:04:33,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:33,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:33,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:33,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:33,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:33,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:33" (1/1) ... [2021-11-23 15:04:33,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1d04b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:33, skipping insertion in model container [2021-11-23 15:04:33,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:33" (1/1) ... [2021-11-23 15:04:33,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:33,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:34,002 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[914,927] [2021-11-23 15:04:34,056 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[7125,7138] [2021-11-23 15:04:34,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:34,260 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:34,272 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[914,927] [2021-11-23 15:04:34,301 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_72292b94-ef5a-472e-9dda-7c91e7a46334/sv-benchmarks/c/combinations/pc_sfifo_2.cil-2+token_ring.07.cil-1.c[7125,7138] [2021-11-23 15:04:34,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:34,405 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:34,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34 WrapperNode [2021-11-23 15:04:34,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:34,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:34,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:34,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:34,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,518 INFO L137 Inliner]: procedures = 68, calls = 79, calls flagged for inlining = 36, calls inlined = 36, statements flattened = 722 [2021-11-23 15:04:34,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:34,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:34,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:34,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:34,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:34,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:34,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:34,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:34,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:34" (1/1) ... [2021-11-23 15:04:34,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:34,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:34,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:34,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:34,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:04:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:04:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:04:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:04:34,747 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:04:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:04:34,748 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:04:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:04:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:04:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:04:34,749 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:04:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:04:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:04:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:04:34,750 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:04:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:04:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:04:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:04:34,751 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:04:34,751 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:04:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:04:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:04:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:04:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:04:34,752 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:04:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:04:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:04:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:04:34,954 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:34,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:35,810 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:35,900 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:04:35,905 INFO L158 Benchmark]: Toolchain (without parser) took 2134.36ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.8MB in the beginning and 32.6MB in the end (delta: 1.2MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:35,906 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:35,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.42ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 44.8MB in the end (delta: -11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:35,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.02ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 41.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:35,913 INFO L158 Benchmark]: Boogie Preprocessor took 114.46ms. Allocated memory is still 71.3MB. Free memory was 41.0MB in the beginning and 37.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:35,913 INFO L158 Benchmark]: RCFGBuilder took 1259.84ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 32.6MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:35,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.5MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.42ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 44.8MB in the end (delta: -11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.02ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 41.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.46ms. Allocated memory is still 71.3MB. Free memory was 41.0MB in the beginning and 37.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1259.84ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 32.6MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. 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 15:04:35,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72292b94-ef5a-472e-9dda-7c91e7a46334/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