./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product33.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_spec0_product33.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 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:19,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:19,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:19,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:19,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:19,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:19,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:19,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:19,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:19,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:19,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:19,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:19,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:19,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:19,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:19,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:19,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:19,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:19,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:19,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:19,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:19,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:19,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:19,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:19,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:19,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:19,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:19,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:19,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:19,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:19,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:19,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:19,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:19,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:19,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:19,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:19,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:19,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:19,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:19,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:19,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:19,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:19,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:19,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:19,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:19,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:19,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:19,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:19,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:19,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:19,817 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:19,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:19,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:19,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:19,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:19,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:19,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:19,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:19,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:19,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:19,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:19,819 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:19,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:19,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:19,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:19,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:19,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:19,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:19,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:19,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:19,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:19,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:19,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:19,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:19,821 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:19,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:19,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd [2021-12-15 11:05:20,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:20,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:20,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:20,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:20,068 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:20,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-12-15 11:05:20,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db3e0d95b/0d999d5f2d144197a587aa953351234b/FLAG5edad2ba9 [2021-12-15 11:05:20,542 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:20,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-12-15 11:05:20,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db3e0d95b/0d999d5f2d144197a587aa953351234b/FLAG5edad2ba9 [2021-12-15 11:05:20,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db3e0d95b/0d999d5f2d144197a587aa953351234b [2021-12-15 11:05:20,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:20,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:20,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:20,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:20,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:20,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:20" (1/1) ... [2021-12-15 11:05:20,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4494f251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:20, skipping insertion in model container [2021-12-15 11:05:20,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:20" (1/1) ... [2021-12-15 11:05:20,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:20,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:21,256 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_spec0_product33.cil.c[31228,31241] [2021-12-15 11:05:21,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:21,406 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:21,435 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_spec0_product33.cil.c[31228,31241] [2021-12-15 11:05:21,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:21,510 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:21,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21 WrapperNode [2021-12-15 11:05:21,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:21,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:21,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:21,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:21,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,602 INFO L137 Inliner]: procedures = 134, calls = 227, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1061 [2021-12-15 11:05:21,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:21,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:21,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:21,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:21,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:21,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:21,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:21,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:21,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (1/1) ... [2021-12-15 11:05:21,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:21,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:21,737 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 11:05:21,752 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 11:05:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:05:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:05:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:05:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:05:21,764 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:05:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:05:21,765 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:21,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:05:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:05:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:05:21,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:05:21,767 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:21,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:05:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:05:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:05:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:05:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:21,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:05:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:05:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:21,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:05:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:05:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:21,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:21,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:22,012 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:22,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:22,572 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:22,579 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:22,580 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:22,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:22 BoogieIcfgContainer [2021-12-15 11:05:22,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:22,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:22,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:22,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:22,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:20" (1/3) ... [2021-12-15 11:05:22,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14af9468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:22, skipping insertion in model container [2021-12-15 11:05:22,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:21" (2/3) ... [2021-12-15 11:05:22,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14af9468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:22, skipping insertion in model container [2021-12-15 11:05:22,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:22" (3/3) ... [2021-12-15 11:05:22,587 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product33.cil.c [2021-12-15 11:05:22,591 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:22,591 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:22,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:22,626 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 11:05:22,626 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:22,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 297 states have (on average 1.5016835016835017) internal successors, (446), 301 states have internal predecessors, (446), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-12-15 11:05:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-15 11:05:22,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:22,660 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 11:05:22,661 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:22,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1873468759, now seen corresponding path program 1 times [2021-12-15 11:05:22,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:22,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130704474] [2021-12-15 11:05:22,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:22,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:22,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:22,713 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 11:05:22,721 INFO L158 Benchmark]: Toolchain (without parser) took 1824.18ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 47.8MB in the beginning and 43.5MB in the end (delta: 4.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:22,722 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:22,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.75ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 47.6MB in the beginning and 49.0MB in the end (delta: -1.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:22,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.25ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 42.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:22,724 INFO L158 Benchmark]: Boogie Preprocessor took 60.63ms. Allocated memory is still 100.7MB. Free memory was 42.7MB in the beginning and 72.5MB in the end (delta: -29.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:22,725 INFO L158 Benchmark]: RCFGBuilder took 916.16ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 56.7MB in the end (delta: 15.8MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:22,729 INFO L158 Benchmark]: TraceAbstraction took 136.55ms. Allocated memory is still 100.7MB. Free memory was 56.0MB in the beginning and 43.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:22,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 81.8MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 614.75ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 47.6MB in the beginning and 49.0MB in the end (delta: -1.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.25ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 42.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.63ms. Allocated memory is still 100.7MB. Free memory was 42.7MB in the beginning and 72.5MB in the end (delta: -29.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 916.16ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 56.7MB in the end (delta: 15.8MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * TraceAbstraction took 136.55ms. Allocated memory is still 100.7MB. Free memory was 56.0MB in the beginning and 43.5MB in the end (delta: 12.6MB). 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 11:05:22,759 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 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_spec0_product33.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 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:24,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:24,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:24,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:24,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:24,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:24,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:24,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:24,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:24,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:24,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:24,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:24,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:24,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:24,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:24,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:24,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:24,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:24,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:24,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:24,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:24,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:24,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:24,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:24,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:24,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:24,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:24,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:24,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:24,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:24,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:24,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:24,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:24,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:24,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:24,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:24,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:24,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:24,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:24,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:24,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:24,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:24,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:24,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:24,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:24,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:24,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:24,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:24,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:24,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:24,493 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:24,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:24,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:24,495 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:24,495 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:24,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:24,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:24,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:24,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:24,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:24,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:24,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:24,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:24,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:24,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:24,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:24,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:24,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:24,506 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:24,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:24,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:24,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:24,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:24,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a2f1102c08ad072b808cfc472937f1cd1560bb61fc22de7fb77e42f10991bfd [2021-12-15 11:05:24,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:24,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:24,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:24,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:24,788 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:24,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-12-15 11:05:24,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d0a43ca/ed8e08c941284d13a448c01345ab51dd/FLAG7dc9f595e [2021-12-15 11:05:25,291 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:25,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product33.cil.c [2021-12-15 11:05:25,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d0a43ca/ed8e08c941284d13a448c01345ab51dd/FLAG7dc9f595e [2021-12-15 11:05:25,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d0a43ca/ed8e08c941284d13a448c01345ab51dd [2021-12-15 11:05:25,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:25,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:25,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:25,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:25,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:25,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:25" (1/1) ... [2021-12-15 11:05:25,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec812ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:25, skipping insertion in model container [2021-12-15 11:05:25,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:25" (1/1) ... [2021-12-15 11:05:25,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:25,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:25,737 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_spec0_product33.cil.c[31228,31241] [2021-12-15 11:05:25,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:25,871 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:25,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:25,922 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_spec0_product33.cil.c[31228,31241] [2021-12-15 11:05:25,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:25,991 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:26,040 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_spec0_product33.cil.c[31228,31241] [2021-12-15 11:05:26,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:26,135 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:26,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26 WrapperNode [2021-12-15 11:05:26,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:26,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:26,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:26,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:26,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,230 INFO L137 Inliner]: procedures = 136, calls = 227, calls flagged for inlining = 65, calls inlined = 60, statements flattened = 1002 [2021-12-15 11:05:26,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:26,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:26,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:26,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:26,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:26,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:26,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:26,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:26,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:26,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:26,321 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 11:05:26,330 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 11:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:05:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:05:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:05:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:05:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:05:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:05:26,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:05:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:26,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:26,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:26,575 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:26,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:27,222 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:27,239 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:27,240 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:27,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:27 BoogieIcfgContainer [2021-12-15 11:05:27,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:27,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:27,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:27,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:27,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:25" (1/3) ... [2021-12-15 11:05:27,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8ce7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:27, skipping insertion in model container [2021-12-15 11:05:27,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26" (2/3) ... [2021-12-15 11:05:27,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8ce7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:27, skipping insertion in model container [2021-12-15 11:05:27,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:27" (3/3) ... [2021-12-15 11:05:27,249 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product33.cil.c [2021-12-15 11:05:27,253 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:27,253 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:27,296 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:27,301 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 11:05:27,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 297 states have (on average 1.5016835016835017) internal successors, (446), 301 states have internal predecessors, (446), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2021-12-15 11:05:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-15 11:05:27,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:27,329 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 11:05:27,330 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:27,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1873468759, now seen corresponding path program 1 times [2021-12-15 11:05:27,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:05:27,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894604053] [2021-12-15 11:05:27,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:27,344 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:05:27,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:05:27,346 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 11:05:27,347 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 11:05:27,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:05:27,634 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 11:05:27,635 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 11:05:27,638 INFO L158 Benchmark]: Toolchain (without parser) took 2307.83ms. Allocated memory was 56.6MB in the beginning and 98.6MB in the end (delta: 41.9MB). Free memory was 33.0MB in the beginning and 69.6MB in the end (delta: -36.6MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:27,638 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:27,639 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.86ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.8MB in the beginning and 54.3MB in the end (delta: -21.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:27,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.01ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 48.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:27,640 INFO L158 Benchmark]: Boogie Preprocessor took 46.33ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 43.4MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:27,640 INFO L158 Benchmark]: RCFGBuilder took 959.93ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 43.4MB in the beginning and 57.5MB in the end (delta: -14.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:27,640 INFO L158 Benchmark]: TraceAbstraction took 392.55ms. Allocated memory is still 98.6MB. Free memory was 57.0MB in the beginning and 69.6MB in the end (delta: -12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 11:05:27,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.86ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.8MB in the beginning and 54.3MB in the end (delta: -21.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.01ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 48.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.33ms. Allocated memory is still 77.6MB. Free memory was 48.0MB in the beginning and 43.4MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 959.93ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 43.4MB in the beginning and 57.5MB in the end (delta: -14.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 392.55ms. Allocated memory is still 98.6MB. Free memory was 57.0MB in the beginning and 69.6MB in the end (delta: -12.7MB). Peak memory consumption was 16.8MB. 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 11:05:27,681 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