./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product25.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_spec7_product25.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 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:57,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:57,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:57,920 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:57,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:57,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:57,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:57,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:57,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:57,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:57,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:57,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:57,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:57,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:57,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:57,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:57,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:57,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:57,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:57,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:57,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:57,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:57,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:57,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:57,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:57,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:57,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:57,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:57,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:57,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:57,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:57,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:57,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:57,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:57,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:57,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:57,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:57,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:57,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:57,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:57,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:57,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:06:57,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:57,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:57,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:57,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:57,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:57,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:57,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:57,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:57,996 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:57,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:57,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:57,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:06:57,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:57,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:57,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:57,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:57,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:57,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:57,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:57,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:57,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:57,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:57,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:57,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:57,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:57,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:57,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:57,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:57,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:06:58,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:06:58,000 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:58,000 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:58,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:58,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:58,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde [2021-12-15 11:06:58,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:58,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:58,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:58,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:58,206 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:58,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2021-12-15 11:06:58,265 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ef74875/f4830a6aff074f2c9dde0e26edb54048/FLAG91b5c9882 [2021-12-15 11:06:58,713 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:58,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2021-12-15 11:06:58,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ef74875/f4830a6aff074f2c9dde0e26edb54048/FLAG91b5c9882 [2021-12-15 11:06:59,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79ef74875/f4830a6aff074f2c9dde0e26edb54048 [2021-12-15 11:06:59,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:59,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:59,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:59,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:59,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:59,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785e1413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59, skipping insertion in model container [2021-12-15 11:06:59,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:59,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:59,538 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_spec7_product25.cil.c[8804,8817] [2021-12-15 11:06:59,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:59,756 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:59,780 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_spec7_product25.cil.c[8804,8817] [2021-12-15 11:06:59,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:59,864 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:59,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59 WrapperNode [2021-12-15 11:06:59,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:59,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:59,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:59,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:59,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,956 INFO L137 Inliner]: procedures = 130, calls = 215, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1068 [2021-12-15 11:06:59,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:59,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:59,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:59,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:59,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:06:59,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:07:00,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:07:00,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:07:00,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:00,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:00,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:00,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:00,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (1/1) ... [2021-12-15 11:07:00,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:00,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:00,060 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 11:07:00,075 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 11:07:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:07:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:07:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:07:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:07:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2021-12-15 11:07:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2021-12-15 11:07:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:07:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:07:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:00,099 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:07:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:07:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:07:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:07:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:07:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:07:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:07:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:07:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:07:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:00,314 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:00,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:00,881 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:00,890 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:00,890 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:00,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:00 BoogieIcfgContainer [2021-12-15 11:07:00,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:00,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:00,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:00,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:00,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:59" (1/3) ... [2021-12-15 11:07:00,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26acf1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:00, skipping insertion in model container [2021-12-15 11:07:00,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:59" (2/3) ... [2021-12-15 11:07:00,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26acf1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:00, skipping insertion in model container [2021-12-15 11:07:00,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:00" (3/3) ... [2021-12-15 11:07:00,899 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2021-12-15 11:07:00,903 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:00,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:00,947 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:00,954 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 11:07:00,954 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 379 states, 302 states have (on average 1.5695364238410596) internal successors, (474), 305 states have internal predecessors, (474), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-15 11:07:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-15 11:07:00,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:00,999 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-12-15 11:07:00,999 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash 673658076, now seen corresponding path program 1 times [2021-12-15 11:07:01,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:07:01,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399767676] [2021-12-15 11:07:01,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:01,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:07:01,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:07:01,065 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 11:07:01,073 INFO L158 Benchmark]: Toolchain (without parser) took 1826.31ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 71.0MB in the beginning and 51.3MB in the end (delta: 19.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:01,074 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:01,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.99ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.6MB in the beginning and 72.7MB in the end (delta: -2.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 11:07:01,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.93ms. Allocated memory is still 123.7MB. Free memory was 72.7MB in the beginning and 66.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:01,075 INFO L158 Benchmark]: Boogie Preprocessor took 58.35ms. Allocated memory is still 123.7MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:01,076 INFO L158 Benchmark]: RCFGBuilder took 875.89ms. Allocated memory is still 123.7MB. Free memory was 61.5MB in the beginning and 63.9MB in the end (delta: -2.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-12-15 11:07:01,079 INFO L158 Benchmark]: TraceAbstraction took 176.97ms. Allocated memory is still 123.7MB. Free memory was 63.9MB in the beginning and 51.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:01,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.99ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 70.6MB in the beginning and 72.7MB in the end (delta: -2.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.93ms. Allocated memory is still 123.7MB. Free memory was 72.7MB in the beginning and 66.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.35ms. Allocated memory is still 123.7MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 875.89ms. Allocated memory is still 123.7MB. Free memory was 61.5MB in the beginning and 63.9MB in the end (delta: -2.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 176.97ms. Allocated memory is still 123.7MB. Free memory was 63.9MB in the beginning and 51.3MB 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 11:07:01,112 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_spec7_product25.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 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:02,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:02,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:02,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:02,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:02,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:02,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:02,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:02,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:02,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:02,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:02,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:02,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:02,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:02,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:02,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:02,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:02,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:02,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:02,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:02,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:02,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:02,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:02,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:02,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:02,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:02,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:02,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:02,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:02,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:02,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:02,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:02,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:02,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:02,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:02,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:02,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:02,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:02,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:02,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:02,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:02,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:07:02,786 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:02,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:02,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:02,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:02,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:02,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:02,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:02,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:02,790 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:02,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:02,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:07:02,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:07:02,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:07:02,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:02,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:02,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:02,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:02,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:02,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:02,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:02,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:02,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:02,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:02,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:02,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:07:02,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:07:02,794 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:02,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:02,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:02,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:02,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:07:02,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd6d1c71ba5dc2d3b9a29abb89e94ab4329c839d1f475ee44ea6eb34f32fbde [2021-12-15 11:07:03,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:03,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:03,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:03,070 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:03,070 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:03,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2021-12-15 11:07:03,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c9353f4/1ba2d7983da54f1ebfbd10a4190f84a5/FLAG811e87735 [2021-12-15 11:07:03,577 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:03,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2021-12-15 11:07:03,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c9353f4/1ba2d7983da54f1ebfbd10a4190f84a5/FLAG811e87735 [2021-12-15 11:07:03,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c9353f4/1ba2d7983da54f1ebfbd10a4190f84a5 [2021-12-15 11:07:03,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:03,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:03,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:03,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:03,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:03,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:03" (1/1) ... [2021-12-15 11:07:03,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295bbe94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:03, skipping insertion in model container [2021-12-15 11:07:03,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:03" (1/1) ... [2021-12-15 11:07:03,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:03,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:03,817 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_spec7_product25.cil.c[8804,8817] [2021-12-15 11:07:04,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:04,014 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:07:04,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:04,042 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_spec7_product25.cil.c[8804,8817] [2021-12-15 11:07:04,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:04,092 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:04,107 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_spec7_product25.cil.c[8804,8817] [2021-12-15 11:07:04,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:04,169 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:04,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04 WrapperNode [2021-12-15 11:07:04,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:04,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:04,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:04,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:04,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,257 INFO L137 Inliner]: procedures = 132, calls = 215, calls flagged for inlining = 61, calls inlined = 58, statements flattened = 1016 [2021-12-15 11:07:04,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:04,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:04,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:04,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:04,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:04,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:04,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:04,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:04,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (1/1) ... [2021-12-15 11:07:04,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:04,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:04,405 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 11:07:04,432 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 11:07:04,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:07:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:07:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:07:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:07:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2021-12-15 11:07:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2021-12-15 11:07:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:04,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:07:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:07:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:07:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:07:04,446 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:07:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:07:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:07:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:07:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:07:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:07:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:07:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:04,656 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:04,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:05,243 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:05,251 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:05,252 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:05,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:05 BoogieIcfgContainer [2021-12-15 11:07:05,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:05,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:05,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:05,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:05,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:03" (1/3) ... [2021-12-15 11:07:05,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4849248e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:05, skipping insertion in model container [2021-12-15 11:07:05,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:04" (2/3) ... [2021-12-15 11:07:05,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4849248e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:05, skipping insertion in model container [2021-12-15 11:07:05,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:05" (3/3) ... [2021-12-15 11:07:05,258 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2021-12-15 11:07:05,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:05,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:05,290 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:05,294 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 11:07:05,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 379 states, 302 states have (on average 1.5695364238410596) internal successors, (474), 305 states have internal predecessors, (474), 54 states have call successors, (54), 21 states have call predecessors, (54), 21 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-15 11:07:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-15 11:07:05,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:05,320 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2021-12-15 11:07:05,321 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:05,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:05,324 INFO L85 PathProgramCache]: Analyzing trace with hash 673658076, now seen corresponding path program 1 times [2021-12-15 11:07:05,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:07:05,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [235883864] [2021-12-15 11:07:05,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:05,334 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:07:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:07:05,336 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 11:07:05,337 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 11:07:05,426 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 11:07:05,623 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 11:07:05,624 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 11:07:05,635 INFO L158 Benchmark]: Toolchain (without parser) took 2024.91ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.5MB in the beginning and 61.8MB in the end (delta: -21.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-12-15 11:07:05,636 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:05,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.89ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.2MB in the beginning and 45.8MB in the end (delta: -5.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-12-15 11:07:05,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.43ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 39.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:05,637 INFO L158 Benchmark]: Boogie Preprocessor took 87.88ms. Allocated memory is still 88.1MB. Free memory was 39.5MB in the beginning and 66.8MB in the end (delta: -27.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 11:07:05,638 INFO L158 Benchmark]: RCFGBuilder took 907.12ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 44.1MB in the end (delta: 22.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-12-15 11:07:05,638 INFO L158 Benchmark]: TraceAbstraction took 379.74ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 61.8MB in the end (delta: -17.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-12-15 11:07:05,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.89ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.2MB in the beginning and 45.8MB in the end (delta: -5.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.43ms. Allocated memory is still 88.1MB. Free memory was 45.8MB in the beginning and 39.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.88ms. Allocated memory is still 88.1MB. Free memory was 39.5MB in the beginning and 66.8MB in the end (delta: -27.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 907.12ms. Allocated memory is still 88.1MB. Free memory was 66.2MB in the beginning and 44.1MB in the end (delta: 22.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 379.74ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 61.8MB in the end (delta: -17.7MB). Peak memory consumption was 17.9MB. 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 11:07:05,664 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