./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product13.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_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/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_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/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_18c0f035-a878-4913-b9eb-0ff362b657e3/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 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:50,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:50,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:50,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:50,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:50,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:50,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:50,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:50,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:50,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:50,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:50,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:50,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:50,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:50,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:50,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:50,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:50,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:50,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:50,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:50,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:50,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:50,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:50,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:50,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:50,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:50,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:50,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:50,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:50,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:50,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:50,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:50,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:50,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:50,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:50,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:50,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:50,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:50,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:50,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:50,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:50,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:50,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:50,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:50,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:50,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:50,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:50,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:50,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:50,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:50,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:50,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:50,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:50,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:50,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:50,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:50,308 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:50,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:50,308 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:50,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:50,309 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:50,309 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:50,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:50,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:50,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:50,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:50,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:50,311 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:50,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:50,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:50,311 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_18c0f035-a878-4913-b9eb-0ff362b657e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 [2021-11-23 15:02:50,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:50,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:50,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:50,638 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:50,638 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:50,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 15:02:50,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/d5ace13e7/705a25742e3643cd85f3008ade868aed/FLAG90ec11de6 [2021-11-23 15:02:51,360 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:51,361 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 15:02:51,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/d5ace13e7/705a25742e3643cd85f3008ade868aed/FLAG90ec11de6 [2021-11-23 15:02:51,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/d5ace13e7/705a25742e3643cd85f3008ade868aed [2021-11-23 15:02:51,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:51,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:51,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:51,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:51,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:51,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2393110b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51, skipping insertion in model container [2021-11-23 15:02:51,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:51,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:52,389 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_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 15:02:52,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:52,417 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:52,559 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_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 15:02:52,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:52,603 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:52,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52 WrapperNode [2021-11-23 15:02:52,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:52,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:52,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:52,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:52,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,729 INFO L137 Inliner]: procedures = 124, calls = 190, calls flagged for inlining = 52, calls inlined = 44, statements flattened = 819 [2021-11-23 15:02:52,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:52,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:52,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:52,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:52,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:52,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:52,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:52,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:52,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:52,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:52,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:02:52,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:02:52,976 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:02:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:02:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 15:02:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 15:02:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:02:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:02:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 15:02:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 15:02:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:02:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:02:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:02:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 15:02:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 15:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:02:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 15:02:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 15:02:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:02:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:02:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:02:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:02:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:02:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:02:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-11-23 15:02:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-11-23 15:02:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 15:02:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 15:02:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:02:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:02:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:02:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:02:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:02:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:02:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:53,274 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:53,277 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:54,153 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:54,240 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 15:02:54,245 INFO L158 Benchmark]: Toolchain (without parser) took 2684.06ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 67.4MB in the end (delta: -16.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,246 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 57.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:54,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1041.47ms. Allocated memory is still 90.2MB. Free memory was 50.4MB in the beginning and 40.5MB in the end (delta: 9.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.49ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 82.7MB in the end (delta: -42.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,250 INFO L158 Benchmark]: Boogie Preprocessor took 116.55ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.3MB in the end (delta: 1.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,250 INFO L158 Benchmark]: RCFGBuilder took 1394.97ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 67.4MB in the end (delta: 13.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 15:02:54,259 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 90.2MB. Free memory was 69.6MB in the beginning and 69.5MB in the end (delta: 57.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1041.47ms. Allocated memory is still 90.2MB. Free memory was 50.4MB in the beginning and 40.5MB in the end (delta: 9.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.49ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 82.7MB in the end (delta: -42.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.55ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.3MB in the end (delta: 1.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1394.97ms. Allocated memory is still 109.1MB. Free memory was 81.3MB in the beginning and 67.4MB in the end (delta: 13.9MB). Peak memory consumption was 39.8MB. 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 15:02:54,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/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_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/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_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/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_18c0f035-a878-4913-b9eb-0ff362b657e3/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 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:56,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:56,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:56,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:56,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:56,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:56,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:56,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:56,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:56,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:56,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:56,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:56,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:56,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:56,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:56,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:56,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:56,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:56,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:56,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:56,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:56,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:56,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:56,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:56,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:56,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:56,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:56,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:56,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:56,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:56,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:56,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:56,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:56,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:56,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:56,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:56,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:56,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:56,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:57,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:57,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:57,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:57,048 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:57,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:57,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:57,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:57,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:57,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:57,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:57,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:57,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:57,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:57,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:57,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:57,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:57,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:57,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:57,052 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:57,052 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:57,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:57,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:57,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:57,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:57,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:57,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:57,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:57,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:57,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:57,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:57,054 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:57,054 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:57,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:57,054 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:57,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:57,055 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_18c0f035-a878-4913-b9eb-0ff362b657e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 102266cd9873aec631509424dd889c2e48b781667738cfaa50930481a41b1570 [2021-11-23 15:02:57,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:57,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:57,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:57,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:57,498 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:57,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 15:02:57,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/edad4720d/0761d7b2280a48fe8f12a738b75a74f7/FLAGe4dac9f97 [2021-11-23 15:02:58,308 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:58,308 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2021-11-23 15:02:58,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/edad4720d/0761d7b2280a48fe8f12a738b75a74f7/FLAGe4dac9f97 [2021-11-23 15:02:58,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/data/edad4720d/0761d7b2280a48fe8f12a738b75a74f7 [2021-11-23 15:02:58,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:58,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:58,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:58,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:58,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:58,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:58" (1/1) ... [2021-11-23 15:02:58,491 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 03:02:58, skipping insertion in model container [2021-11-23 15:02:58,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:58" (1/1) ... [2021-11-23 15:02:58,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:58,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:59,208 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_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 15:02:59,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:59,233 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:02:59,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:59,431 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_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 15:02:59,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:59,444 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:59,570 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_18c0f035-a878-4913-b9eb-0ff362b657e3/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c[61687,61700] [2021-11-23 15:02:59,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:59,604 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:59,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59 WrapperNode [2021-11-23 15:02:59,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:59,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:59,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:59,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:59,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,709 INFO L137 Inliner]: procedures = 126, calls = 190, calls flagged for inlining = 52, calls inlined = 44, statements flattened = 779 [2021-11-23 15:02:59,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:59,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:59,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:59,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:59,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:59,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:59,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:59,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:59,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:59" (1/1) ... [2021-11-23 15:02:59,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:59,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:59,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:59,876 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:02:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:02:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:02:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:02:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-11-23 15:02:59,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-11-23 15:02:59,877 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:02:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:02:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-11-23 15:02:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-11-23 15:02:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:02:59,878 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:02:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:02:59,878 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-11-23 15:02:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-11-23 15:02:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:02:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:02:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-11-23 15:02:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-11-23 15:02:59,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:02:59,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:02:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:02:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:02:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:02:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:02:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-11-23 15:02:59,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-11-23 15:02:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:59,880 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-11-23 15:02:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-11-23 15:02:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:02:59,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:02:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:02:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:02:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:02:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:02:59,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:00,173 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:00,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:01,107 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:01,190 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 15:03:01,194 INFO L158 Benchmark]: Toolchain (without parser) took 2709.37ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 29.0MB in the beginning and 46.1MB in the end (delta: -17.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,195 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:01,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1119.86ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 44.7MB in the end (delta: -15.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.51ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 39.5MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,197 INFO L158 Benchmark]: Boogie Preprocessor took 71.50ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 35.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,198 INFO L158 Benchmark]: RCFGBuilder took 1409.75ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 35.7MB in the beginning and 46.1MB in the end (delta: -10.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:01,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1119.86ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 44.7MB in the end (delta: -15.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.51ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 39.5MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.50ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 35.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1409.75ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 35.7MB in the beginning and 46.1MB in the end (delta: -10.4MB). Peak memory consumption was 13.6MB. 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 15:03:01,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c0f035-a878-4913-b9eb-0ff362b657e3/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