./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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 ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:48,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:48,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:48,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:48,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:48,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:48,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:48,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:48,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:48,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:48,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:48,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:48,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:48,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:48,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:48,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:48,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:48,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:48,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:48,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:48,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:48,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:48,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:48,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:48,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:48,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:48,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:48,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:48,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:48,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:48,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:48,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:48,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:48,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:48,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:48,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:48,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:48,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:48,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:48,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:48,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:48,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:48,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:48,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:48,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:48,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:48,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:48,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:48,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:48,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:48,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:48,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:48,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:48,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:48,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:48,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:48,292 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:48,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:48,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:48,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:48,293 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:48,293 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:48,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:48,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:48,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:48,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:48,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:48,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:48,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:48,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:48,295 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f [2021-11-23 15:30:48,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:48,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:48,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:48,608 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:48,609 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:48,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2021-11-23 15:30:48,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/f4f7741c1/0fc80231382d42f2b3358937fb702373/FLAG44141019d [2021-11-23 15:30:49,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:49,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2021-11-23 15:30:49,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/f4f7741c1/0fc80231382d42f2b3358937fb702373/FLAG44141019d [2021-11-23 15:30:49,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/f4f7741c1/0fc80231382d42f2b3358937fb702373 [2021-11-23 15:30:49,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:49,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:49,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:49,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:49,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:49,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:49" (1/1) ... [2021-11-23 15:30:49,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5774cd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:49, skipping insertion in model container [2021-11-23 15:30:49,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:49" (1/1) ... [2021-11-23 15:30:49,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:49,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:49,895 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2021-11-23 15:30:49,950 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2021-11-23 15:30:50,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:50,109 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:50,120 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2021-11-23 15:30:50,134 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2021-11-23 15:30:50,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:50,217 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:50,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50 WrapperNode [2021-11-23 15:30:50,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:50,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:50,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:50,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:50,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,308 INFO L137 Inliner]: procedures = 79, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1103 [2021-11-23 15:30:50,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:50,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:50,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:50,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:50,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:50,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:50,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:50,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:50,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:50" (1/1) ... [2021-11-23 15:30:50,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:50,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:50,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:50,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:30:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:30:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:30:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:30:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:30:50,532 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:30:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:30:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:30:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:30:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:30:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:30:50,533 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:30:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:30:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:30:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:30:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:30:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:30:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:30:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:30:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:30:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:30:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:30:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:30:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:30:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:30:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:30:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:30:50,546 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:30:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:30:50,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:50,778 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:51,856 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:51,967 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 15:30:51,975 INFO L158 Benchmark]: Toolchain (without parser) took 2381.86ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.2MB in the beginning and 87.7MB in the end (delta: -14.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:51,976 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:51,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.05ms. Allocated memory is still 107.0MB. Free memory was 73.0MB in the beginning and 67.0MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:30:51,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.33ms. Allocated memory is still 107.0MB. Free memory was 67.0MB in the beginning and 61.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:51,979 INFO L158 Benchmark]: Boogie Preprocessor took 88.85ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 57.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:51,980 INFO L158 Benchmark]: RCFGBuilder took 1568.06ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.3MB in the beginning and 88.1MB in the end (delta: -30.7MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:51,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 61.3MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.05ms. Allocated memory is still 107.0MB. Free memory was 73.0MB in the beginning and 67.0MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.33ms. Allocated memory is still 107.0MB. Free memory was 67.0MB in the beginning and 61.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.85ms. Allocated memory is still 107.0MB. Free memory was 61.9MB in the beginning and 57.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1568.06ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 57.3MB in the beginning and 88.1MB in the end (delta: -30.7MB). Peak memory consumption was 22.0MB. 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 15:30:52,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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 ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:54,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:54,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:54,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:54,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:54,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:54,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:54,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:54,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:54,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:54,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:54,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:54,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:54,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:54,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:54,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:54,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:54,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:54,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:54,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:54,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:54,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:54,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:54,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:54,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:54,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:54,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:54,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:54,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:54,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:54,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:54,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:54,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:54,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:54,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:54,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:54,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:54,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:54,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:54,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:54,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:54,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:54,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:54,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:54,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:54,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:54,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:54,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:54,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:54,689 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:54,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:54,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:54,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:54,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:54,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:54,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:54,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:54,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:54,692 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:54,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:54,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:54,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:54,693 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:54,693 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:54,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:54,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:54,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:54,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:54,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:54,694 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:54,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:54,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:54,695 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:54,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:54,695 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce176716d91d866602a372020396224af9fcf4c5f81c6adcdcc0f1d83b0d658f [2021-11-23 15:30:55,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:55,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:55,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:55,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:55,159 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:55,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2021-11-23 15:30:55,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/2385cb9d0/07b1235276454869b4e7865864c25275/FLAG95986c967 [2021-11-23 15:30:55,881 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:55,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c [2021-11-23 15:30:55,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/2385cb9d0/07b1235276454869b4e7865864c25275/FLAG95986c967 [2021-11-23 15:30:56,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/data/2385cb9d0/07b1235276454869b4e7865864c25275 [2021-11-23 15:30:56,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:56,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:56,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:56,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:56,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:56,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:56,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cab8695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56, skipping insertion in model container [2021-11-23 15:30:56,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:56,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:56,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:56,423 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2021-11-23 15:30:56,492 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2021-11-23 15:30:56,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:56,742 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:56,758 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[914,927] [2021-11-23 15:30:56,791 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_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-1.c[7115,7128] [2021-11-23 15:30:56,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:56,946 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:56,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56 WrapperNode [2021-11-23 15:30:56,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:56,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:56,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:56,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:56,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:56,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,074 INFO L137 Inliner]: procedures = 80, calls = 97, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1061 [2021-11-23 15:30:57,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:57,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:57,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:57,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:57,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:57,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:57,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:57,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:57,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:56" (1/1) ... [2021-11-23 15:30:57,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:57,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:57,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:57,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:30:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:30:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:30:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:30:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:30:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:30:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:30:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:30:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:30:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:30:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:30:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:30:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:30:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:30:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:30:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:30:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:30:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:30:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:30:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:30:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:30:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:30:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:30:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:30:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:30:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:30:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:30:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:30:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:30:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:30:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:30:57,454 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:57,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:58,692 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:58,739 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 15:30:58,743 INFO L158 Benchmark]: Toolchain (without parser) took 2576.45ms. Allocated memory was 52.4MB in the beginning and 94.4MB in the end (delta: 41.9MB). Free memory was 28.2MB in the beginning and 50.9MB in the end (delta: -22.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 15:30:58,744 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:58,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.39ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.0MB in the beginning and 45.9MB in the end (delta: -17.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:58,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.98ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 41.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:58,746 INFO L158 Benchmark]: Boogie Preprocessor took 124.79ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 36.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:58,747 INFO L158 Benchmark]: RCFGBuilder took 1540.31ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 36.0MB in the beginning and 50.9MB in the end (delta: -14.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 15:30:58,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.2MB in the beginning and 33.1MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.39ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.0MB in the beginning and 45.9MB in the end (delta: -17.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.98ms. Allocated memory is still 65.0MB. Free memory was 45.9MB in the beginning and 41.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.79ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 36.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1540.31ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 36.0MB in the beginning and 50.9MB in the end (delta: -14.9MB). Peak memory consumption was 16.5MB. 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 15:30:58,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0af98d02-0e50-4ee6-b5a9-28a10e79f13a/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable