./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.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_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/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_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/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_c64ab726-5a2b-4599-875f-f8f75986e2c5/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 dbdff9d5cdb7ffcae57151b3d045900600728670d8aad942a459f8d05b6221fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:53,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:53,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:53,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:53,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:53,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:53,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:53,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:53,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:53,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:53,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:53,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:53,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:53,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:53,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:53,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:53,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:53,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:53,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:53,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:53,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:53,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:53,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:53,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:53,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:53,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:53,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:53,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:53,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:53,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:53,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:53,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:53,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:53,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:53,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:53,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:53,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:53,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:53,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:53,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:53,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:53,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:32:53,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:53,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:53,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:53,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:53,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:53,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:53,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:53,336 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:53,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:53,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:53,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:53,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:53,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:53,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:53,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:53,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:53,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:53,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:53,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:53,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:53,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:53,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:53,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:53,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:53,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:53,341 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:53,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:53,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:53,342 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdff9d5cdb7ffcae57151b3d045900600728670d8aad942a459f8d05b6221fb [2021-11-23 15:32:53,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:53,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:53,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:53,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:53,724 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:53,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c [2021-11-23 15:32:53,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/8cb4e5ecb/cb14e480d1af4c11aa51735077a17b43/FLAGae9f50f84 [2021-11-23 15:32:54,523 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:54,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c [2021-11-23 15:32:54,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/8cb4e5ecb/cb14e480d1af4c11aa51735077a17b43/FLAGae9f50f84 [2021-11-23 15:32:54,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/8cb4e5ecb/cb14e480d1af4c11aa51735077a17b43 [2021-11-23 15:32:54,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:54,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:54,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:54,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:54,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:54,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f23eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54, skipping insertion in model container [2021-11-23 15:32:54,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:54,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:55,075 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[914,927] [2021-11-23 15:32:55,139 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[7115,7128] [2021-11-23 15:32:55,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:55,244 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:55,256 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[914,927] [2021-11-23 15:32:55,277 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[7115,7128] [2021-11-23 15:32:55,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:55,367 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:55,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55 WrapperNode [2021-11-23 15:32:55,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:55,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:55,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:55,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:55,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,485 INFO L137 Inliner]: procedures = 73, calls = 87, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 924 [2021-11-23 15:32:55,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:55,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:55,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:55,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:55,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:55,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:55,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:55,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:55,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:55,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:55,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:55,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:55,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:32:55,726 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:32:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:32:55,727 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:32:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:32:55,727 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:32:55,727 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:32:55,728 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:32:55,728 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:32:55,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:32:55,728 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:32:55,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:32:55,729 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:32:55,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:32:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:32:55,730 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:32:55,730 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:32:55,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:32:55,731 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:32:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:32:55,732 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:32:55,732 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:32:55,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:32:55,733 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:32:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:32:55,733 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:32:55,733 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:32:55,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:55,734 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:32:55,734 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:32:55,955 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:55,967 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:57,201 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:57,293 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 15:32:57,301 INFO L158 Benchmark]: Toolchain (without parser) took 2552.32ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 69.6MB in the beginning and 96.1MB in the end (delta: -26.5MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2021-11-23 15:32:57,303 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:57,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.43ms. Allocated memory is still 109.1MB. Free memory was 69.2MB in the beginning and 70.4MB in the end (delta: -1.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:32:57,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.76ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:57,309 INFO L158 Benchmark]: Boogie Preprocessor took 105.56ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:57,310 INFO L158 Benchmark]: RCFGBuilder took 1703.79ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 62.0MB in the beginning and 96.1MB in the end (delta: -34.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2021-11-23 15:32:57,326 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 109.1MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.43ms. Allocated memory is still 109.1MB. Free memory was 69.2MB in the beginning and 70.4MB in the end (delta: -1.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.76ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 66.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.56ms. Allocated memory is still 109.1MB. Free memory was 66.2MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1703.79ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 62.0MB in the beginning and 96.1MB in the end (delta: -34.1MB). Peak memory consumption was 34.0MB. 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 15:32:57,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/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_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/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_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/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_c64ab726-5a2b-4599-875f-f8f75986e2c5/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 dbdff9d5cdb7ffcae57151b3d045900600728670d8aad942a459f8d05b6221fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:00,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:00,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:00,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:00,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:00,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:00,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:00,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:00,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:00,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:00,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:00,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:00,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:00,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:00,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:00,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:00,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:00,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:00,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:00,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:00,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:00,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:00,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:00,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:00,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:00,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:00,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:00,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:00,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:00,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:00,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:00,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:00,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:00,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:00,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:00,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:00,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:00,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:00,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:00,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:00,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:00,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:00,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:00,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:00,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:00,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:00,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:00,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:00,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:00,656 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:00,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:00,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:00,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:00,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:00,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:00,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:00,659 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:00,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:00,660 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:00,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:00,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:00,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:00,661 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:00,662 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:00,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:00,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:00,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:00,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:00,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:00,664 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:00,664 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:00,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:00,665 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:00,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:00,666 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbdff9d5cdb7ffcae57151b3d045900600728670d8aad942a459f8d05b6221fb [2021-11-23 15:33:01,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:01,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:01,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:01,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:01,186 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:01,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c [2021-11-23 15:33:01,266 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/28d56efea/df6a98adcfb24147b9cdacf30c8705c0/FLAGc27050e85 [2021-11-23 15:33:02,007 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:02,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c [2021-11-23 15:33:02,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/28d56efea/df6a98adcfb24147b9cdacf30c8705c0/FLAGc27050e85 [2021-11-23 15:33:02,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/data/28d56efea/df6a98adcfb24147b9cdacf30c8705c0 [2021-11-23 15:33:02,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:02,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:02,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:02,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:02,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:02,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:02" (1/1) ... [2021-11-23 15:33:02,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28846d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:02, skipping insertion in model container [2021-11-23 15:33:02,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:02" (1/1) ... [2021-11-23 15:33:02,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:02,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:02,580 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[914,927] [2021-11-23 15:33:02,671 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[7115,7128] [2021-11-23 15:33:02,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:02,953 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:02,973 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[914,927] [2021-11-23 15:33:03,018 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_c64ab726-5a2b-4599-875f-f8f75986e2c5/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.10.cil-2.c[7115,7128] [2021-11-23 15:33:03,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:03,089 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:03,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03 WrapperNode [2021-11-23 15:33:03,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:03,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:03,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:03,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:03,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,179 INFO L137 Inliner]: procedures = 74, calls = 87, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 889 [2021-11-23 15:33:03,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:03,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:03,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:03,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:03,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:03,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:03,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:03,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:03,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:03" (1/1) ... [2021-11-23 15:33:03,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:03,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:03,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:33:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:33:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:33:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:33:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:33:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:33:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:33:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:33:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:33:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:33:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:33:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:33:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:33:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:33:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:33:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:33:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:33:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:33:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:33:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:33:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:33:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:33:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:33:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:33:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:33:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:33:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:33:03,413 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:33:03,663 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:03,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:04,796 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:04,863 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 15:33:04,883 INFO L158 Benchmark]: Toolchain (without parser) took 2610.87ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.4MB in the beginning and 36.9MB in the end (delta: -1.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,884 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:04,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.2MB in the beginning and 41.4MB in the end (delta: -6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.76ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 37.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,886 INFO L158 Benchmark]: Boogie Preprocessor took 93.06ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 49.7MB in the end (delta: -12.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,887 INFO L158 Benchmark]: RCFGBuilder took 1606.73ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 36.9MB in the end (delta: 12.9MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:04,891 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.2MB in the beginning and 41.4MB in the end (delta: -6.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.76ms. Allocated memory is still 71.3MB. Free memory was 41.4MB in the beginning and 37.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.06ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 49.7MB in the end (delta: -12.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1606.73ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 36.9MB in the end (delta: 12.9MB). Peak memory consumption was 23.4MB. 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 15:33:04,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c64ab726-5a2b-4599-875f-f8f75986e2c5/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