./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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 a6e26dc8018dcf216dd711848cc7425da3593cca9604197466413681bb8c438e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:36,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:36,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:36,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:36,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:36,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:36,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:36,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:36,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:36,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:36,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:36,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:36,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:36,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:36,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:36,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:36,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:36,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:36,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:36,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:36,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:36,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:36,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:36,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:36,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:36,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:36,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:36,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:36,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:36,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:36,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:36,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:36,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:36,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:36,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:36,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:36,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:36,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:36,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:36,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:36,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:36,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:36,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:36,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:36,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:36,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:36,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:36,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:36,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:36,502 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:36,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:36,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:36,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:36,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:36,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:36,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:36,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:36,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:36,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:36,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:36,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:36,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:36,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:36,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:36,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:36,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:36,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:36,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:36,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:36,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:36,507 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e26dc8018dcf216dd711848cc7425da3593cca9604197466413681bb8c438e [2021-11-23 15:51:36,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:36,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:36,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:36,764 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:36,765 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:36,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c [2021-11-23 15:51:36,829 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/dde4f3058/7951ef5b88c147a38e4305bc27253481/FLAGb777c6dcc [2021-11-23 15:51:37,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:37,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c [2021-11-23 15:51:37,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/dde4f3058/7951ef5b88c147a38e4305bc27253481/FLAGb777c6dcc [2021-11-23 15:51:37,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/dde4f3058/7951ef5b88c147a38e4305bc27253481 [2021-11-23 15:51:37,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:37,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:37,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:37,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:37,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:37,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b913f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37, skipping insertion in model container [2021-11-23 15:51:37,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:37,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:38,023 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[914,927] [2021-11-23 15:51:38,079 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[7115,7128] [2021-11-23 15:51:38,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:38,206 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:38,218 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[914,927] [2021-11-23 15:51:38,236 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[7115,7128] [2021-11-23 15:51:38,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:38,380 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:38,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38 WrapperNode [2021-11-23 15:51:38,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:38,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:38,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:38,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:38,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,480 INFO L137 Inliner]: procedures = 77, calls = 94, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 1043 [2021-11-23 15:51:38,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:38,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:38,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:38,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:38,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:38,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:38,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:38,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:38,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:38,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:51:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:51:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:51:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:51:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:51:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:51:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:51:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:51:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:51:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:51:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:51:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:51:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:51:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:51:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:51:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:51:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:51:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:51:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:51:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:51:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:51:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:51:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:51:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:51:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:51:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:51:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:51:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:51:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:51:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:51:38,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:38,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:39,945 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:40,010 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 15:51:40,016 INFO L158 Benchmark]: Toolchain (without parser) took 2290.42ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 77.1MB in the beginning and 94.5MB in the end (delta: -17.4MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:40,017 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:40,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.49ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 67.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:40,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.17ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 63.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:40,021 INFO L158 Benchmark]: Boogie Preprocessor took 78.70ms. Allocated memory is still 107.0MB. Free memory was 62.7MB in the beginning and 58.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:40,022 INFO L158 Benchmark]: RCFGBuilder took 1452.43ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 58.5MB in the beginning and 94.5MB in the end (delta: -36.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:40,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.49ms. Allocated memory is still 107.0MB. Free memory was 76.8MB in the beginning and 67.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.17ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 63.1MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.70ms. Allocated memory is still 107.0MB. Free memory was 62.7MB in the beginning and 58.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1452.43ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 58.5MB in the beginning and 94.5MB in the end (delta: -36.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:40,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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 a6e26dc8018dcf216dd711848cc7425da3593cca9604197466413681bb8c438e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:42,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:42,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:42,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:42,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:42,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:42,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:42,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:42,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:42,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:42,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:42,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:42,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:42,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:42,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:42,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:42,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:42,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:42,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:42,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:42,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:42,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:42,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:42,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:42,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:42,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:42,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:42,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:42,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:42,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:42,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:42,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:42,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:42,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:42,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:42,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:42,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:42,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:42,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:42,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:42,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:42,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:42,938 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:42,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:42,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:42,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:42,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:42,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:42,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:42,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:42,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:42,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:42,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:42,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:42,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:42,944 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:42,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:42,949 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:42,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:42,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:42,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:42,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:42,950 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:42,950 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:42,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:42,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:42,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:42,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:42,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:42,952 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:42,953 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:42,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:42,953 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:42,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:42,954 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6e26dc8018dcf216dd711848cc7425da3593cca9604197466413681bb8c438e [2021-11-23 15:51:43,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:43,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:43,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:43,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:43,419 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:43,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c [2021-11-23 15:51:43,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/96f4a2686/e38f5a5d93d04e019fb0b173fcd56ae2/FLAGc108c9fb8 [2021-11-23 15:51:44,125 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:44,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c [2021-11-23 15:51:44,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/96f4a2686/e38f5a5d93d04e019fb0b173fcd56ae2/FLAGc108c9fb8 [2021-11-23 15:51:44,409 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/data/96f4a2686/e38f5a5d93d04e019fb0b173fcd56ae2 [2021-11-23 15:51:44,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:44,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:44,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:44,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:44,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:44,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:44" (1/1) ... [2021-11-23 15:51:44,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a57aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:44, skipping insertion in model container [2021-11-23 15:51:44,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:44" (1/1) ... [2021-11-23 15:51:44,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:44,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:44,762 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[914,927] [2021-11-23 15:51:44,863 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[7115,7128] [2021-11-23 15:51:45,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:45,095 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:45,108 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[914,927] [2021-11-23 15:51:45,125 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_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.14.cil.c[7115,7128] [2021-11-23 15:51:45,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:45,255 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:45,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45 WrapperNode [2021-11-23 15:51:45,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:45,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:45,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:45,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:45,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,406 INFO L137 Inliner]: procedures = 78, calls = 94, calls flagged for inlining = 45, calls inlined = 45, statements flattened = 1003 [2021-11-23 15:51:45,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:45,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:45,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:45,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:45,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:45,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:45,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:45,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:45,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:45" (1/1) ... [2021-11-23 15:51:45,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:45,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:45,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:45,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:45,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:51:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:51:45,646 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:51:45,646 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:51:45,647 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:51:45,647 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:51:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:51:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:51:45,648 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:51:45,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:51:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:51:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:51:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:51:45,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:51:45,649 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:51:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:51:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:51:45,650 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:51:45,650 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:51:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:51:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:51:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:51:45,651 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:51:45,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:51:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:51:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:51:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:45,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:45,652 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:51:45,653 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:51:45,653 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2021-11-23 15:51:45,654 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2021-11-23 15:51:45,887 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:45,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:47,106 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:47,165 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 15:51:47,172 INFO L158 Benchmark]: Toolchain (without parser) took 2753.40ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 33.7MB in the beginning and 53.6MB in the end (delta: -20.0MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-11-23 15:51:47,173 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:47,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.21ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 33.3MB in the beginning and 66.3MB in the end (delta: -33.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 15:51:47,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.02ms. Allocated memory is still 86.0MB. Free memory was 66.3MB in the beginning and 61.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:47,176 INFO L158 Benchmark]: Boogie Preprocessor took 142.86ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 57.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:47,177 INFO L158 Benchmark]: RCFGBuilder took 1616.69ms. Allocated memory is still 86.0MB. Free memory was 57.0MB in the beginning and 53.6MB in the end (delta: 3.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:47,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.21ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 33.3MB in the beginning and 66.3MB in the end (delta: -33.0MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.02ms. Allocated memory is still 86.0MB. Free memory was 66.3MB in the beginning and 61.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.86ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 57.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1616.69ms. Allocated memory is still 86.0MB. Free memory was 57.0MB in the beginning and 53.6MB in the end (delta: 3.4MB). Peak memory consumption was 25.5MB. 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 15:51:47,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d9e5fb-6d8b-4d51-8d90-2a429708d2cb/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