./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product28.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_spec3_product28.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 6f40464de6444b4c527a3fd043e201dc912ddaed5b163e61d0d1df63c7a25d4d --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:15,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:15,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:15,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:15,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:15,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:15,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:15,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:15,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:15,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:15,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:15,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:15,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:15,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:15,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:15,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:15,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:15,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:15,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:15,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:15,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:15,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:15,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:15,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:15,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:15,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:15,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:15,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:15,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:15,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:15,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:15,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:15,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:15,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:15,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:15,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:15,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:15,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:15,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:15,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:15,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:15,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:06:15,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:15,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:15,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:15,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:15,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:15,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:15,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:15,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:15,683 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:15,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:15,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:15,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:06:15,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:15,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:15,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:15,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:15,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:15,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:15,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:15,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:15,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:15,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:15,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:15,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:15,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:15,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:15,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:15,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:15,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:06:15,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:06:15,686 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:15,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:15,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:15,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:15,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f40464de6444b4c527a3fd043e201dc912ddaed5b163e61d0d1df63c7a25d4d [2021-12-15 11:06:15,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:15,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:15,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:15,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:15,929 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:15,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product28.cil.c [2021-12-15 11:06:16,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc77273a0/b302374392ea4fc39f0bff01ece888c1/FLAG339f02c36 [2021-12-15 11:06:16,476 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:16,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product28.cil.c [2021-12-15 11:06:16,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc77273a0/b302374392ea4fc39f0bff01ece888c1/FLAG339f02c36 [2021-12-15 11:06:17,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc77273a0/b302374392ea4fc39f0bff01ece888c1 [2021-12-15 11:06:17,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:17,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:17,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:17,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:17,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:17,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7707a2c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17, skipping insertion in model container [2021-12-15 11:06:17,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:17,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:17,266 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_spec3_product28.cil.c[6522,6535] [2021-12-15 11:06:17,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:17,492 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:17,510 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_spec3_product28.cil.c[6522,6535] [2021-12-15 11:06:17,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:17,601 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:17,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17 WrapperNode [2021-12-15 11:06:17,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:17,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:17,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:17,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:17,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,698 INFO L137 Inliner]: procedures = 129, calls = 217, calls flagged for inlining = 55, calls inlined = 45, statements flattened = 884 [2021-12-15 11:06:17,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:17,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:17,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:17,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:17,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:17,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:17,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:17,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:17,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (1/1) ... [2021-12-15 11:06:17,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:17,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:17,813 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 11:06:17,815 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 11:06:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:06:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:06:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:06:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:06:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:06:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:06:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:06:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:06:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:06:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:06:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:06:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:06:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:06:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:18,014 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:18,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:18,509 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:18,517 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:18,518 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:18,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:18 BoogieIcfgContainer [2021-12-15 11:06:18,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:18,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:18,522 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:18,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:18,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:17" (1/3) ... [2021-12-15 11:06:18,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32550fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:18, skipping insertion in model container [2021-12-15 11:06:18,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:17" (2/3) ... [2021-12-15 11:06:18,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32550fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:18, skipping insertion in model container [2021-12-15 11:06:18,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:18" (3/3) ... [2021-12-15 11:06:18,527 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product28.cil.c [2021-12-15 11:06:18,531 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:18,531 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:18,576 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:18,582 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 11:06:18,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 258 states have (on average 1.5155038759689923) internal successors, (391), 264 states have internal predecessors, (391), 55 states have call successors, (55), 23 states have call predecessors, (55), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2021-12-15 11:06:18,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-15 11:06:18,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:18,634 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-12-15 11:06:18,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:18,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:18,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2126435666, now seen corresponding path program 1 times [2021-12-15 11:06:18,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:06:18,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047840355] [2021-12-15 11:06:18,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:18,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:06:18,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:06:18,694 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 11:06:18,700 INFO L158 Benchmark]: Toolchain (without parser) took 1684.05ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 54.1MB in the beginning and 38.0MB in the end (delta: 16.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:18,701 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:18,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.33ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 59.4MB in the end (delta: -5.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 11:06:18,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.98ms. Allocated memory is still 111.1MB. Free memory was 59.4MB in the beginning and 54.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:18,702 INFO L158 Benchmark]: Boogie Preprocessor took 77.58ms. Allocated memory is still 111.1MB. Free memory was 54.4MB in the beginning and 50.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:18,703 INFO L158 Benchmark]: RCFGBuilder took 735.73ms. Allocated memory is still 111.1MB. Free memory was 50.2MB in the beginning and 50.6MB in the end (delta: -426.7kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-12-15 11:06:18,703 INFO L158 Benchmark]: TraceAbstraction took 176.38ms. Allocated memory is still 111.1MB. Free memory was 50.6MB in the beginning and 38.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:18,706 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 88.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.33ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 59.4MB in the end (delta: -5.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.98ms. Allocated memory is still 111.1MB. Free memory was 59.4MB in the beginning and 54.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.58ms. Allocated memory is still 111.1MB. Free memory was 54.4MB in the beginning and 50.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 735.73ms. Allocated memory is still 111.1MB. Free memory was 50.2MB in the beginning and 50.6MB in the end (delta: -426.7kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * TraceAbstraction took 176.38ms. Allocated memory is still 111.1MB. Free memory was 50.6MB in the beginning and 38.0MB 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 11:06:18,742 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_spec3_product28.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 6f40464de6444b4c527a3fd043e201dc912ddaed5b163e61d0d1df63c7a25d4d --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:20,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:20,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:20,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:20,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:20,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:20,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:20,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:20,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:20,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:20,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:20,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:20,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:20,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:20,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:20,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:20,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:20,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:20,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:20,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:20,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:20,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:20,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:20,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:20,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:20,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:20,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:20,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:20,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:20,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:20,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:20,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:20,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:20,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:20,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:20,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:20,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:20,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:20,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:20,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:20,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:20,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:06:20,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:20,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:20,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:20,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:20,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:20,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:20,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:20,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:20,471 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:20,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:20,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:20,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:20,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:20,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:20,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:20,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:20,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:20,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:20,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:20,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:20,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:20,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:20,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:20,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:20,481 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:06:20,481 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:06:20,482 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:20,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:20,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:20,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:20,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:06:20,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f40464de6444b4c527a3fd043e201dc912ddaed5b163e61d0d1df63c7a25d4d [2021-12-15 11:06:20,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:20,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:20,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:20,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:20,778 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:20,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product28.cil.c [2021-12-15 11:06:20,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256bb2a1e/6147f5108c2e48679047dbe97b85474c/FLAGeec7ecb07 [2021-12-15 11:06:21,342 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:21,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product28.cil.c [2021-12-15 11:06:21,360 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256bb2a1e/6147f5108c2e48679047dbe97b85474c/FLAGeec7ecb07 [2021-12-15 11:06:21,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256bb2a1e/6147f5108c2e48679047dbe97b85474c [2021-12-15 11:06:21,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:21,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:21,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:21,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:21,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:21,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:21" (1/1) ... [2021-12-15 11:06:21,809 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 11:06:21, skipping insertion in model container [2021-12-15 11:06:21,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:21" (1/1) ... [2021-12-15 11:06:21,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:21,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:22,088 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_spec3_product28.cil.c[6522,6535] [2021-12-15 11:06:22,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:22,277 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:06:22,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:22,300 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_spec3_product28.cil.c[6522,6535] [2021-12-15 11:06:22,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:22,365 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:22,378 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_spec3_product28.cil.c[6522,6535] [2021-12-15 11:06:22,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:22,446 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:22,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22 WrapperNode [2021-12-15 11:06:22,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:22,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:22,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:22,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:22,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,507 INFO L137 Inliner]: procedures = 131, calls = 217, calls flagged for inlining = 55, calls inlined = 45, statements flattened = 834 [2021-12-15 11:06:22,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:22,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:22,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:22,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:22,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:22,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:22,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:22,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:22,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (1/1) ... [2021-12-15 11:06:22,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:22,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:22,590 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 11:06:22,594 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 11:06:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:06:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:06:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:06:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:06:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:06:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:06:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:06:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:06:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:06:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:06:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:22,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:06:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:06:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:06:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:22,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:22,853 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:22,854 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:23,380 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:23,389 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:23,389 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:23,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:23 BoogieIcfgContainer [2021-12-15 11:06:23,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:23,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:23,392 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:23,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:23,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:21" (1/3) ... [2021-12-15 11:06:23,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6401017e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:23, skipping insertion in model container [2021-12-15 11:06:23,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:22" (2/3) ... [2021-12-15 11:06:23,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6401017e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:23, skipping insertion in model container [2021-12-15 11:06:23,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:23" (3/3) ... [2021-12-15 11:06:23,401 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product28.cil.c [2021-12-15 11:06:23,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:23,406 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:23,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:23,457 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 11:06:23,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 338 states, 258 states have (on average 1.5155038759689923) internal successors, (391), 264 states have internal predecessors, (391), 55 states have call successors, (55), 23 states have call predecessors, (55), 23 states have return successors, (55), 54 states have call predecessors, (55), 55 states have call successors, (55) [2021-12-15 11:06:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-15 11:06:23,493 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:23,494 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-12-15 11:06:23,494 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:23,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:23,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2126435666, now seen corresponding path program 1 times [2021-12-15 11:06:23,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:06:23,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053606847] [2021-12-15 11:06:23,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:23,508 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:06:23,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:06:23,509 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 11:06:23,513 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 11:06:23,618 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 11:06:23,814 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 11:06:23,815 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 11:06:23,820 INFO L158 Benchmark]: Toolchain (without parser) took 2015.77ms. Allocated memory was 52.4MB in the beginning and 83.9MB in the end (delta: 31.5MB). Free memory was 26.7MB in the beginning and 45.5MB in the end (delta: -18.9MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:23,820 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:23,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.39ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 43.0MB in the end (delta: -16.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:23,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.96ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 37.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:23,821 INFO L158 Benchmark]: Boogie Preprocessor took 53.70ms. Allocated memory is still 69.2MB. Free memory was 37.8MB in the beginning and 33.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:23,821 INFO L158 Benchmark]: RCFGBuilder took 828.71ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 27.1MB in the end (delta: 6.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:23,822 INFO L158 Benchmark]: TraceAbstraction took 426.73ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 26.5MB in the beginning and 45.5MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:23,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 33.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.39ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 43.0MB in the end (delta: -16.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.96ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 37.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.70ms. Allocated memory is still 69.2MB. Free memory was 37.8MB in the beginning and 33.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 828.71ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 27.1MB in the end (delta: 6.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 426.73ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 26.5MB in the beginning and 45.5MB in the end (delta: -19.1MB). There was no memory consumed. 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 11:06:23,861 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