./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product12.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_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/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_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/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_47eb9532-5dce-4935-8002-86b2851f5871/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 6a023004d1923934c700fbd43377f50b99f9b3dcadd2a9eb1f89b20b18aa1436 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:13,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:13,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:13,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:13,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:13,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:13,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:13,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:13,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:13,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:13,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:13,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:13,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:13,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:13,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:13,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:13,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:13,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:13,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:13,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:13,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:13,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:13,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:13,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:13,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:13,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:13,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:13,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:13,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:13,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:13,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:13,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:13,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:13,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:13,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:13,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:13,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:13,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:13,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:13,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:13,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:13,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:13,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:13,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:13,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:13,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:13,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:13,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:13,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:13,169 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:13,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:13,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:13,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:13,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:13,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:13,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:13,170 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:13,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:13,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:13,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:13,171 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:13,171 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:13,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:13,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:13,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:13,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:13,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:13,172 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:13,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:13,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:13,173 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_47eb9532-5dce-4935-8002-86b2851f5871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a023004d1923934c700fbd43377f50b99f9b3dcadd2a9eb1f89b20b18aa1436 [2021-11-23 15:05:13,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:13,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:13,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:13,454 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:13,455 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:13,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec6_product12.cil.c [2021-11-23 15:05:13,527 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/cbcb83ae7/3d82fc8875b8448c882db946ee62b818/FLAGb1f7f86a7 [2021-11-23 15:05:14,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:14,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c [2021-11-23 15:05:14,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/cbcb83ae7/3d82fc8875b8448c882db946ee62b818/FLAGb1f7f86a7 [2021-11-23 15:05:14,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/cbcb83ae7/3d82fc8875b8448c882db946ee62b818 [2021-11-23 15:05:14,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:14,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:14,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:14,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:14,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:14,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f388ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14, skipping insertion in model container [2021-11-23 15:05:14,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:14,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:15,035 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_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2021-11-23 15:05:15,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:15,089 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:15,242 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_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2021-11-23 15:05:15,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:15,292 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:15,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15 WrapperNode [2021-11-23 15:05:15,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:15,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:15,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:15,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:15,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,396 INFO L137 Inliner]: procedures = 123, calls = 193, calls flagged for inlining = 49, calls inlined = 39, statements flattened = 807 [2021-11-23 15:05:15,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:15,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:15,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:15,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:15,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:15,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:15,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:15,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:15,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:15" (1/1) ... [2021-11-23 15:05:15,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:15,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:15,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:15,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 15:05:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 15:05:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 15:05:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 15:05:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 15:05:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 15:05:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:05:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:05:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:05:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:05:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:05:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:05:15,584 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 15:05:15,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 15:05:15,585 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:05:15,585 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:05:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:15,586 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 15:05:15,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 15:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:05:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:05:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:05:15,587 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:05:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:05:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:05:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:05:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 15:05:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 15:05:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:05:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:05:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:05:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:05:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:15,824 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:15,826 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:16,528 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:16,568 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 15:05:16,573 INFO L158 Benchmark]: Toolchain (without parser) took 2193.36ms. Allocated memory was 115.3MB in the beginning and 163.6MB in the end (delta: 48.2MB). Free memory was 76.9MB in the beginning and 107.0MB in the end (delta: -30.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,574 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:16,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.07ms. Allocated memory is still 115.3MB. Free memory was 76.9MB in the beginning and 64.1MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.70ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 59.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,576 INFO L158 Benchmark]: Boogie Preprocessor took 76.14ms. Allocated memory is still 115.3MB. Free memory was 59.1MB in the beginning and 55.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,577 INFO L158 Benchmark]: RCFGBuilder took 1097.36ms. Allocated memory was 115.3MB in the beginning and 163.6MB in the end (delta: 48.2MB). Free memory was 55.8MB in the beginning and 107.0MB in the end (delta: -51.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:16,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.07ms. Allocated memory is still 115.3MB. Free memory was 76.9MB in the beginning and 64.1MB in the end (delta: 12.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.70ms. Allocated memory is still 115.3MB. Free memory was 64.1MB in the beginning and 59.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.14ms. Allocated memory is still 115.3MB. Free memory was 59.1MB in the beginning and 55.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1097.36ms. Allocated memory was 115.3MB in the beginning and 163.6MB in the end (delta: 48.2MB). Free memory was 55.8MB in the beginning and 107.0MB in the end (delta: -51.2MB). Peak memory consumption was 28.3MB. 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 15:05:16,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/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_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/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_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/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_47eb9532-5dce-4935-8002-86b2851f5871/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 6a023004d1923934c700fbd43377f50b99f9b3dcadd2a9eb1f89b20b18aa1436 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:18,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:18,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:18,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:18,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:18,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:18,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:18,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:18,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:18,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:18,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:18,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:18,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:18,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:18,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:18,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:18,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:18,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:19,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:19,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:19,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:19,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:19,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:19,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:19,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:19,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:19,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:19,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:19,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:19,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:19,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:19,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:19,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:19,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:19,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:19,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:19,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:19,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:19,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:19,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:19,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:19,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:19,097 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:19,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:19,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:19,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:19,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:19,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:19,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:19,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:19,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:19,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:19,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:19,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:19,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:19,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:19,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:19,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:19,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:19,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:19,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:19,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:19,106 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:19,106 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:19,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:19,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:19,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:19,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:19,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:19,107 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:19,107 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:19,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:19,108 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:19,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:19,109 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_47eb9532-5dce-4935-8002-86b2851f5871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a023004d1923934c700fbd43377f50b99f9b3dcadd2a9eb1f89b20b18aa1436 [2021-11-23 15:05:19,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:19,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:19,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:19,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:19,495 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:19,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/product-lines/email_spec6_product12.cil.c [2021-11-23 15:05:19,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/e3906429b/efcc21c991f049bd98082a56052e172a/FLAGa784b7174 [2021-11-23 15:05:20,232 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:20,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c [2021-11-23 15:05:20,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/e3906429b/efcc21c991f049bd98082a56052e172a/FLAGa784b7174 [2021-11-23 15:05:20,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/data/e3906429b/efcc21c991f049bd98082a56052e172a [2021-11-23 15:05:20,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:20,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:20,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:20,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:20,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d16a611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20, skipping insertion in model container [2021-11-23 15:05:20,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:20,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:21,210 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_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2021-11-23 15:05:21,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,295 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:05:21,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:21,463 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_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2021-11-23 15:05:21,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,501 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:21,596 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_47eb9532-5dce-4935-8002-86b2851f5871/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2021-11-23 15:05:21,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,656 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:21,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21 WrapperNode [2021-11-23 15:05:21,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:21,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:21,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:21,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:21,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,812 INFO L137 Inliner]: procedures = 125, calls = 193, calls flagged for inlining = 49, calls inlined = 39, statements flattened = 767 [2021-11-23 15:05:21,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:21,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:21,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:21,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:21,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:21,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:21,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:21,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:21,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:21,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-11-23 15:05:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-11-23 15:05:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-11-23 15:05:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-11-23 15:05:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-11-23 15:05:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-11-23 15:05:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-11-23 15:05:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-11-23 15:05:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-11-23 15:05:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-11-23 15:05:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-11-23 15:05:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-11-23 15:05:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-11-23 15:05:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-11-23 15:05:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-11-23 15:05:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-11-23 15:05:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 15:05:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-11-23 15:05:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-11-23 15:05:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-11-23 15:05:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-11-23 15:05:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-11-23 15:05:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-11-23 15:05:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-11-23 15:05:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-11-23 15:05:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-11-23 15:05:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-11-23 15:05:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-11-23 15:05:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-11-23 15:05:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-11-23 15:05:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-11-23 15:05:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-11-23 15:05:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-11-23 15:05:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-11-23 15:05:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-11-23 15:05:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:22,257 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:22,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:23,163 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:23,235 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 15:05:23,243 INFO L158 Benchmark]: Toolchain (without parser) took 2812.40ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 48.1MB in the beginning and 53.2MB in the end (delta: -5.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:23,244 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:23,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1224.91ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 32.7MB in the end (delta: 15.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:23,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.89ms. Allocated memory is still 69.2MB. Free memory was 32.7MB in the beginning and 27.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:23,248 INFO L158 Benchmark]: Boogie Preprocessor took 98.89ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 27.7MB in the beginning and 69.0MB in the end (delta: -41.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:23,250 INFO L158 Benchmark]: RCFGBuilder took 1327.53ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 53.2MB in the end (delta: 15.3MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:23,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1224.91ms. Allocated memory is still 69.2MB. Free memory was 48.0MB in the beginning and 32.7MB in the end (delta: 15.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.89ms. Allocated memory is still 69.2MB. Free memory was 32.7MB in the beginning and 27.7MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.89ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 27.7MB in the beginning and 69.0MB in the end (delta: -41.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1327.53ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 53.2MB in the end (delta: 15.3MB). Peak memory consumption was 32.4MB. 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 15:05:23,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47eb9532-5dce-4935-8002-86b2851f5871/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