./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.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_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/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_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/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_d64ecb47-1206-4f10-a6a9-f66110677487/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 0b8de634f132d76c1b6698e4c3a5f12df478fc7c8b9ceb30d48afc80707f7564 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:30,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:30,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:30,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:30,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:30,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:30,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:30,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:30,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:30,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:30,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:30,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:30,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:30,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:30,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:30,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:30,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:30,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:30,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:30,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:30,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:30,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:30,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:30,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:30,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:30,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:30,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:30,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:30,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:30,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:30,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:30,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:30,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:30,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:30,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:30,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:30,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:30,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:30,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:30,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:30,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:30,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:30,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:30,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:30,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:30,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:30,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:30,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:30,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:30,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:30,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:30,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:30,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:30,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:30,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:30,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:30,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:30,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:30,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:30,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:30,362 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:30,362 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:30,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:30,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:30,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:30,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:30,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:30,364 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:30,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:30,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:30,364 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_d64ecb47-1206-4f10-a6a9-f66110677487/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b8de634f132d76c1b6698e4c3a5f12df478fc7c8b9ceb30d48afc80707f7564 [2021-11-23 15:57:30,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:30,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:30,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:30,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:30,772 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:30,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c [2021-11-23 15:57:30,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/33a88a24b/9949a4c33dc34a40950a0af0dd65fe73/FLAG62e84534b [2021-11-23 15:57:31,440 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:31,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c [2021-11-23 15:57:31,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/33a88a24b/9949a4c33dc34a40950a0af0dd65fe73/FLAG62e84534b [2021-11-23 15:57:31,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/33a88a24b/9949a4c33dc34a40950a0af0dd65fe73 [2021-11-23 15:57:31,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:31,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:31,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:31,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:31,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:31,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:31" (1/1) ... [2021-11-23 15:57:31,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb0dd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:31, skipping insertion in model container [2021-11-23 15:57:31,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:31" (1/1) ... [2021-11-23 15:57:31,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:31,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:32,097 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[911,924] [2021-11-23 15:57:32,195 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[8416,8429] [2021-11-23 15:57:32,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:32,355 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:32,368 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[911,924] [2021-11-23 15:57:32,391 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[8416,8429] [2021-11-23 15:57:32,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:32,501 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:32,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32 WrapperNode [2021-11-23 15:57:32,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:32,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:32,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:32,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:32,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,606 INFO L137 Inliner]: procedures = 77, calls = 95, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 1025 [2021-11-23 15:57:32,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:32,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:32,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:32,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:32,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:32,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:32,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:32,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:32,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:32" (1/1) ... [2021-11-23 15:57:32,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:32,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:32,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:32,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:57:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:57:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:57:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:57:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:57:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:57:32,817 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:57:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:57:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:57:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:57:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:57:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:57:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:57:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:57:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:57:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:57:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:57:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:57:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:57:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:57:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:57:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:57:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:57:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:57:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:57:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:57:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:57:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:57:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:57:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:57:33,021 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:33,036 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:33,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:57:34,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:57:34,077 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:34,135 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:57:34,141 INFO L158 Benchmark]: Toolchain (without parser) took 2402.32ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 38.4MB in the end (delta: 26.9MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:34,141 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:34,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.21ms. Allocated memory is still 102.8MB. Free memory was 65.1MB in the beginning and 63.4MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:34,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.23ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 58.7MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:34,146 INFO L158 Benchmark]: Boogie Preprocessor took 95.73ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 54.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:34,147 INFO L158 Benchmark]: RCFGBuilder took 1433.38ms. Allocated memory is still 102.8MB. Free memory was 54.5MB in the beginning and 38.4MB in the end (delta: 16.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:34,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 102.8MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.21ms. Allocated memory is still 102.8MB. Free memory was 65.1MB in the beginning and 63.4MB in the end (delta: 1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.23ms. Allocated memory is still 102.8MB. Free memory was 63.4MB in the beginning and 58.7MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.73ms. Allocated memory is still 102.8MB. Free memory was 58.7MB in the beginning and 54.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1433.38ms. Allocated memory is still 102.8MB. Free memory was 54.5MB in the beginning and 38.4MB in the end (delta: 16.2MB). Peak memory consumption was 19.7MB. 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 15:57:34,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/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_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/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_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/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_d64ecb47-1206-4f10-a6a9-f66110677487/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 0b8de634f132d76c1b6698e4c3a5f12df478fc7c8b9ceb30d48afc80707f7564 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:37,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:37,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:37,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:37,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:37,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:37,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:37,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:37,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:37,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:37,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:37,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:37,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:37,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:37,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:37,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:37,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:37,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:37,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:37,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:37,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:37,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:37,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:37,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:37,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:37,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:37,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:37,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:37,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:37,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:37,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:37,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:37,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:37,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:37,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:37,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:37,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:37,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:37,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:37,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:37,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:37,176 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:37,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:37,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:37,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:37,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:37,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:37,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:37,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:37,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:37,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:37,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:37,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:37,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:37,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:37,226 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:37,226 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:37,226 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:37,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:37,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:37,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:37,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:37,227 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:37,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:37,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:37,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:37,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:37,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:37,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:37,229 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:37,229 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:37,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:37,230 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:37,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:37,230 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_d64ecb47-1206-4f10-a6a9-f66110677487/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b8de634f132d76c1b6698e4c3a5f12df478fc7c8b9ceb30d48afc80707f7564 [2021-11-23 15:57:37,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:37,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:37,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:37,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:37,774 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:37,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c [2021-11-23 15:57:37,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/4701ea3bc/bc5e1b74933c4b9abff05db43b6d0d0c/FLAGd92be839c [2021-11-23 15:57:38,564 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:38,565 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c [2021-11-23 15:57:38,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/4701ea3bc/bc5e1b74933c4b9abff05db43b6d0d0c/FLAGd92be839c [2021-11-23 15:57:38,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/data/4701ea3bc/bc5e1b74933c4b9abff05db43b6d0d0c [2021-11-23 15:57:38,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:38,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:38,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:38,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:38,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:38,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:38" (1/1) ... [2021-11-23 15:57:38,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0b5bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:38, skipping insertion in model container [2021-11-23 15:57:38,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:38" (1/1) ... [2021-11-23 15:57:38,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:38,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:39,072 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[911,924] [2021-11-23 15:57:39,170 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[8416,8429] [2021-11-23 15:57:39,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:39,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:39,430 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[911,924] [2021-11-23 15:57:39,467 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_d64ecb47-1206-4f10-a6a9-f66110677487/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.11.cil-1.c[8416,8429] [2021-11-23 15:57:39,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:39,554 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:39,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39 WrapperNode [2021-11-23 15:57:39,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:39,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:39,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:39,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:39,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,680 INFO L137 Inliner]: procedures = 78, calls = 95, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 986 [2021-11-23 15:57:39,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:39,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:39,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:39,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:39,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:39,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:39,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:39,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:39,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:39,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:39,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:39,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:57:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:57:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:57:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:57:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:57:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:57:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:57:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:57:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:57:39,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:57:39,880 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:57:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:57:39,881 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:57:39,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:57:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:57:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:57:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:39,882 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:57:39,882 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:57:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:57:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:57:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:57:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:57:39,883 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:57:39,883 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:57:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:57:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:57:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:57:39,884 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:57:39,884 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:57:39,885 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:57:40,130 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:40,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:41,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:57:41,217 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:57:41,346 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:41,408 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:57:41,412 INFO L158 Benchmark]: Toolchain (without parser) took 2639.79ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 43.4MB in the end (delta: 21.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:41,413 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory was 82.6MB in the beginning and 82.5MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:41,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.90ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 71.0MB in the end (delta: -6.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:41,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.56ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 66.3MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:41,416 INFO L158 Benchmark]: Boogie Preprocessor took 87.00ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 61.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:41,417 INFO L158 Benchmark]: RCFGBuilder took 1633.13ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 43.4MB in the end (delta: 18.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:41,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory was 82.6MB in the beginning and 82.5MB in the end (delta: 86.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.90ms. Allocated memory is still 100.7MB. Free memory was 64.8MB in the beginning and 71.0MB in the end (delta: -6.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.56ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 66.3MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.00ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 61.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1633.13ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 43.4MB in the end (delta: 18.2MB). Peak memory consumption was 21.5MB. 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 15:57:41,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d64ecb47-1206-4f10-a6a9-f66110677487/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