./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product19.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_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/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_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/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_604eb020-4615-414e-8dfa-6dde4f3200a2/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 f3a1dbda837d8ce3c466139238aee66f09284cf7efb22d92a7aae56a5f98c665 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:06,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:06,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:06,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:06,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:06,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:06,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:06,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:06,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:06,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:06,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:06,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:06,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:06,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:06,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:06,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:06,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:06,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:06,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:06,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:06,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:06,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:06,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:06,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:06,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:06,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:06,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:06,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:06,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:06,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:06,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:06,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:06,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:06,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:06,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:06,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:06,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:06,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:06,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:06,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:06,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:06,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:06,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:06,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:06,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:06,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:06,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:06,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:06,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:06,293 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:06,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:06,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:06,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:06,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:06,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:06,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:06,294 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:06,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:06,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:06,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:06,295 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:06,295 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:06,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:06,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:06,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:06,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:06,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:06,296 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:06,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:06,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:06,297 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_604eb020-4615-414e-8dfa-6dde4f3200a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3a1dbda837d8ce3c466139238aee66f09284cf7efb22d92a7aae56a5f98c665 [2021-11-23 15:58:06,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:06,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:06,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:06,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:06,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:06,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2021-11-23 15:58:06,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/cd080a208/a751533d0e4e4c52a6d5b6baaaae8b73/FLAGb8b193864 [2021-11-23 15:58:07,315 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:07,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2021-11-23 15:58:07,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/cd080a208/a751533d0e4e4c52a6d5b6baaaae8b73/FLAGb8b193864 [2021-11-23 15:58:07,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/cd080a208/a751533d0e4e4c52a6d5b6baaaae8b73 [2021-11-23 15:58:07,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:07,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:07,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:07,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:07,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:07,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb87383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:07, skipping insertion in model container [2021-11-23 15:58:07,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:07" (1/1) ... [2021-11-23 15:58:07,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:07,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:07,772 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_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c[1542,1555] [2021-11-23 15:58:08,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:08,107 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:08,119 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_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c[1542,1555] [2021-11-23 15:58:08,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:08,278 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:08,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08 WrapperNode [2021-11-23 15:58:08,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:08,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:08,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:08,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:08,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,414 INFO L137 Inliner]: procedures = 127, calls = 199, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 982 [2021-11-23 15:58:08,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:08,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:08,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:08,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:08,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:08,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:08,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:08,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:08,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:08" (1/1) ... [2021-11-23 15:58:08,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:08,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:08,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 15:58:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 15:58:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:58:08,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:58:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:58:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:58:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 15:58:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 15:58:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:58:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:58:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 15:58:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 15:58:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:58:08,603 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:58:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:58:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 15:58:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 15:58:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:58:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:58:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 15:58:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 15:58:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:58:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:58:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:58:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:58:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:58:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:58:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:58:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:58:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:58:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:58:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 15:58:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 15:58:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:58:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:58:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:08,826 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:08,828 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:09,705 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:09,791 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 15:58:09,797 INFO L158 Benchmark]: Toolchain (without parser) took 2274.66ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 62.2MB in the beginning and 51.3MB in the end (delta: 10.9MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:09,798 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:09,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.51ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 47.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:09,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.81ms. Allocated memory is still 100.7MB. Free memory was 47.3MB in the beginning and 41.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:09,802 INFO L158 Benchmark]: Boogie Preprocessor took 53.24ms. Allocated memory is still 100.7MB. Free memory was 41.6MB in the beginning and 38.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:09,802 INFO L158 Benchmark]: RCFGBuilder took 1324.39ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 51.3MB in the end (delta: -13.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:09,811 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.51ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 47.3MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.81ms. Allocated memory is still 100.7MB. Free memory was 47.3MB in the beginning and 41.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.24ms. Allocated memory is still 100.7MB. Free memory was 41.6MB in the beginning and 38.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1324.39ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 51.3MB in the end (delta: -13.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:09,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/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_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/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_604eb020-4615-414e-8dfa-6dde4f3200a2/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 f3a1dbda837d8ce3c466139238aee66f09284cf7efb22d92a7aae56a5f98c665 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:12,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:12,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:12,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:12,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:12,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:12,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:12,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:12,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:12,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:12,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:12,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:12,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:12,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:12,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:12,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:12,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:12,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:12,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:12,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:12,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:12,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:12,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:12,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:12,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:12,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:12,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:12,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:12,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:12,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:12,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:12,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:12,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:12,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:12,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:12,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:12,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:12,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:12,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:12,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:12,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:12,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:12,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:12,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:12,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:12,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:12,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:12,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:12,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:12,433 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:12,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:12,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:12,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:12,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:12,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:12,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:12,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:12,434 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:12,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:12,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:12,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:12,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:12,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:12,436 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:12,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:12,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:12,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:12,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:12,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:12,437 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:12,437 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:12,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:12,438 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:12,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:12,438 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_604eb020-4615-414e-8dfa-6dde4f3200a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3a1dbda837d8ce3c466139238aee66f09284cf7efb22d92a7aae56a5f98c665 [2021-11-23 15:58:12,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:12,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:12,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:12,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:12,854 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:12,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2021-11-23 15:58:12,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/433f2b6c3/d6099575dbfd4f61866110ee6642064c/FLAG833aacb0c [2021-11-23 15:58:13,672 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:13,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2021-11-23 15:58:13,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/433f2b6c3/d6099575dbfd4f61866110ee6642064c/FLAG833aacb0c [2021-11-23 15:58:13,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/data/433f2b6c3/d6099575dbfd4f61866110ee6642064c [2021-11-23 15:58:13,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:13,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:13,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:13,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:13,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:13,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:13" (1/1) ... [2021-11-23 15:58:13,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383c6142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:13, skipping insertion in model container [2021-11-23 15:58:13,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:13" (1/1) ... [2021-11-23 15:58:13,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:13,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:14,124 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_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c[1542,1555] [2021-11-23 15:58:14,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:14,645 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:58:14,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:14,662 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_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c[1542,1555] [2021-11-23 15:58:14,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:14,796 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:14,810 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_604eb020-4615-414e-8dfa-6dde4f3200a2/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c[1542,1555] [2021-11-23 15:58:14,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:14,972 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:14,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14 WrapperNode [2021-11-23 15:58:14,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:14,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:14,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:14,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:14,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,111 INFO L137 Inliner]: procedures = 129, calls = 199, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 935 [2021-11-23 15:58:15,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:15,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:15,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:15,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:15,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:15,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:15,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:15,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:15,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:14" (1/1) ... [2021-11-23 15:58:15,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:15,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:15,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:15,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 15:58:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 15:58:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:58:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:58:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:58:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:58:15,302 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 15:58:15,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 15:58:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:58:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:58:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 15:58:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 15:58:15,303 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:58:15,303 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:58:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:58:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 15:58:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 15:58:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:58:15,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:58:15,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 15:58:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 15:58:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:58:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:58:15,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:58:15,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:58:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:58:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:58:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:15,306 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:58:15,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:58:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:58:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:58:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-11-23 15:58:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-11-23 15:58:15,307 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:58:15,307 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:58:15,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:15,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:15,527 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:15,543 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:16,549 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:16,597 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 15:58:16,601 INFO L158 Benchmark]: Toolchain (without parser) took 2740.06ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 31.7MB in the beginning and 38.8MB in the end (delta: -7.1MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:16,602 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:16,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1105.56ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 31.5MB in the beginning and 48.2MB in the end (delta: -16.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:16,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.86ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 42.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:16,616 INFO L158 Benchmark]: Boogie Preprocessor took 95.72ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 38.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:16,617 INFO L158 Benchmark]: RCFGBuilder took 1391.09ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 38.8MB in the end (delta: -399.1kB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:16,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1105.56ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 31.5MB in the beginning and 48.2MB in the end (delta: -16.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.86ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 42.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.72ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 38.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1391.09ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 38.8MB in the end (delta: -399.1kB). Peak memory consumption was 17.6MB. 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 15:58:16,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604eb020-4615-414e-8dfa-6dde4f3200a2/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