./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:42,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:42,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:42,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:42,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:42,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:42,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:42,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:42,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:42,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:42,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:42,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:42,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:42,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:42,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:42,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:42,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:42,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:42,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:42,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:42,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:42,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:42,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:42,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:42,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:42,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:42,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:42,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:42,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:42,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:42,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:42,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:42,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:42,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:42,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:42,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:42,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:42,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:42,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:42,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:42,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:42,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:06:42,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:42,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:42,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:42,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:42,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:42,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:42,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:42,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:42,822 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:42,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:42,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:42,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:06:42,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:42,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:42,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:42,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:42,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:42,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:42,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:42,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:42,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:42,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:42,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:42,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:42,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:42,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:42,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:42,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:42,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:06:42,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:06:42,827 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:42,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:42,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:42,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:42,828 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea [2021-12-15 11:06:43,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:43,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:43,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:43,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:43,104 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:43,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2021-12-15 11:06:43,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01524372e/fc217fb3aafa4fd285eb5ad8ee90f5b1/FLAGad7fb3d6d [2021-12-15 11:06:43,722 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:43,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2021-12-15 11:06:43,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01524372e/fc217fb3aafa4fd285eb5ad8ee90f5b1/FLAGad7fb3d6d [2021-12-15 11:06:44,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01524372e/fc217fb3aafa4fd285eb5ad8ee90f5b1 [2021-12-15 11:06:44,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:44,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:44,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:44,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:44,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:44,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0621e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44, skipping insertion in model container [2021-12-15 11:06:44,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:44,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:44,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2021-12-15 11:06:44,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:44,665 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:44,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2021-12-15 11:06:44,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:44,825 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:44,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44 WrapperNode [2021-12-15 11:06:44,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:44,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:44,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:44,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:44,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,926 INFO L137 Inliner]: procedures = 129, calls = 222, calls flagged for inlining = 56, calls inlined = 53, statements flattened = 1047 [2021-12-15 11:06:44,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:44,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:44,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:44,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:44,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:44,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:44,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:44,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:44,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:45,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:45,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:06:45,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:06:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:06:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:06:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:45,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:06:45,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:06:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:45,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:45,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:45,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:45,074 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:45,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:45,074 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:45,074 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:45,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:45,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:06:45,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:06:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:45,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:45,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:45,076 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:45,076 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:45,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:45,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:45,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:45,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:06:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:45,077 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:06:45,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:06:45,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:45,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:45,321 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:45,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:46,014 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:46,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:46,026 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:46,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:46 BoogieIcfgContainer [2021-12-15 11:06:46,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:46,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:46,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:46,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:46,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:44" (1/3) ... [2021-12-15 11:06:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd8721d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:46, skipping insertion in model container [2021-12-15 11:06:46,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (2/3) ... [2021-12-15 11:06:46,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd8721d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:46, skipping insertion in model container [2021-12-15 11:06:46,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:46" (3/3) ... [2021-12-15 11:06:46,038 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2021-12-15 11:06:46,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:46,044 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:46,101 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:46,109 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:06:46,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand has 389 states, 303 states have (on average 1.5577557755775577) internal successors, (472), 308 states have internal predecessors, (472), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2021-12-15 11:06:46,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-12-15 11:06:46,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:46,166 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:46,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:46,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash -979980386, now seen corresponding path program 1 times [2021-12-15 11:06:46,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:06:46,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431318232] [2021-12-15 11:06:46,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:46,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:06:46,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:06:46,244 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-12-15 11:06:46,250 INFO L158 Benchmark]: Toolchain (without parser) took 2229.35ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 45.5MB in the end (delta: 8.4MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,251 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:46,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 805.68ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.8MB in the beginning and 82.7MB in the end (delta: -28.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.52ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 76.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,254 INFO L158 Benchmark]: Boogie Preprocessor took 61.40ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,255 INFO L158 Benchmark]: RCFGBuilder took 1038.17ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 58.8MB in the end (delta: 12.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,260 INFO L158 Benchmark]: TraceAbstraction took 217.99ms. Allocated memory is still 109.1MB. Free memory was 58.8MB in the beginning and 45.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 805.68ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.8MB in the beginning and 82.7MB in the end (delta: -28.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.52ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 76.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.40ms. Allocated memory is still 109.1MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1038.17ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 58.8MB in the end (delta: 12.8MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * TraceAbstraction took 217.99ms. Allocated memory is still 109.1MB. Free memory was 58.8MB in the beginning and 45.5MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:06:46,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:48,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:48,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:48,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:48,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:48,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:48,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:48,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:48,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:48,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:48,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:48,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:48,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:48,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:48,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:48,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:48,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:48,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:48,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:48,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:48,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:48,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:48,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:48,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:48,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:48,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:48,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:48,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:48,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:48,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:48,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:48,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:48,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:48,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:48,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:48,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:48,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:48,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:48,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:48,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:48,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:48,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:06:48,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:48,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:48,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:48,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:48,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:48,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:48,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:48,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:48,485 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:48,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:48,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:48,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:48,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:48,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:48,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:48,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:48,487 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:06:48,487 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:06:48,487 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:06:48,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:48,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:48,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:48,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:48,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:48,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:48,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:48,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:48,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:48,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:48,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:48,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:06:48,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:06:48,495 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:48,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:48,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:48,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:48,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:06:48,496 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cf7ce6a809409f6f4ca5aec26ee44d6ee6c1bd8459af1b8b074817ec65bb1ea [2021-12-15 11:06:48,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:48,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:48,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:48,850 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:48,851 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:48,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2021-12-15 11:06:48,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376c34973/b5bdc7c0e7e14e7298aac3426c8beb82/FLAGd1da44431 [2021-12-15 11:06:49,533 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:49,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2021-12-15 11:06:49,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376c34973/b5bdc7c0e7e14e7298aac3426c8beb82/FLAGd1da44431 [2021-12-15 11:06:49,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376c34973/b5bdc7c0e7e14e7298aac3426c8beb82 [2021-12-15 11:06:49,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:49,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:49,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:49,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:49,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:49,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:49" (1/1) ... [2021-12-15 11:06:49,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6523e1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:49, skipping insertion in model container [2021-12-15 11:06:49,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:49" (1/1) ... [2021-12-15 11:06:49,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:49,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:50,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2021-12-15 11:06:50,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:50,425 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:06:50,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:50,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2021-12-15 11:06:50,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:50,514 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:50,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2021-12-15 11:06:50,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:50,654 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:50,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50 WrapperNode [2021-12-15 11:06:50,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:50,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:50,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:50,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:50,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,754 INFO L137 Inliner]: procedures = 131, calls = 222, calls flagged for inlining = 56, calls inlined = 53, statements flattened = 991 [2021-12-15 11:06:50,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:50,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:50,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:50,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:50,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:50,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:50,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:50,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:50,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (1/1) ... [2021-12-15 11:06:50,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:50,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:50,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:06:50,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:06:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:50,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:06:50,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:06:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:06:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:06:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:50,896 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:50,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:50,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:50,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:06:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:06:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:06:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:06:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:06:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:51,104 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:51,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:51,875 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:51,895 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:51,895 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:51 BoogieIcfgContainer [2021-12-15 11:06:51,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:51,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:51,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:51,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:51,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:49" (1/3) ... [2021-12-15 11:06:51,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1296d8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:51, skipping insertion in model container [2021-12-15 11:06:51,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:50" (2/3) ... [2021-12-15 11:06:51,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1296d8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:51, skipping insertion in model container [2021-12-15 11:06:51,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:51" (3/3) ... [2021-12-15 11:06:51,907 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2021-12-15 11:06:51,912 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:51,912 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:51,974 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:51,981 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:06:51,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 389 states, 303 states have (on average 1.5577557755775577) internal successors, (472), 308 states have internal predecessors, (472), 61 states have call successors, (61), 23 states have call predecessors, (61), 23 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2021-12-15 11:06:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-12-15 11:06:52,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:52,062 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:52,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:52,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:52,069 INFO L85 PathProgramCache]: Analyzing trace with hash -979980386, now seen corresponding path program 1 times [2021-12-15 11:06:52,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:06:52,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302061602] [2021-12-15 11:06:52,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:52,085 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:06:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:06:52,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:06:52,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:06:52,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 11:06:52,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:06:52,415 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-12-15 11:06:52,420 INFO L158 Benchmark]: Toolchain (without parser) took 2582.67ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 26.6MB in the beginning and 41.5MB in the end (delta: -14.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:52,421 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:52,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.22ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 26.5MB in the beginning and 31.0MB in the end (delta: -4.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-12-15 11:06:52,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.60ms. Allocated memory is still 62.9MB. Free memory was 31.0MB in the beginning and 25.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:52,425 INFO L158 Benchmark]: Boogie Preprocessor took 69.93ms. Allocated memory is still 62.9MB. Free memory was 25.2MB in the beginning and 39.5MB in the end (delta: -14.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:06:52,431 INFO L158 Benchmark]: RCFGBuilder took 1072.28ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.1MB in the beginning and 34.8MB in the end (delta: 4.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-12-15 11:06:52,431 INFO L158 Benchmark]: TraceAbstraction took 516.65ms. Allocated memory is still 75.5MB. Free memory was 34.1MB in the beginning and 41.5MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:52,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 37.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.22ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 26.5MB in the beginning and 31.0MB in the end (delta: -4.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.60ms. Allocated memory is still 62.9MB. Free memory was 31.0MB in the beginning and 25.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.93ms. Allocated memory is still 62.9MB. Free memory was 25.2MB in the beginning and 39.5MB in the end (delta: -14.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1072.28ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.1MB in the beginning and 34.8MB in the end (delta: 4.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 516.65ms. Allocated memory is still 75.5MB. Free memory was 34.1MB in the beginning and 41.5MB in the end (delta: -7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:06:52,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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