./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product19.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_spec27_product19.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 195d502e207cba6e22b4d3a0f1eab4288ed491325552159482eaed582ac159e0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:57,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:57,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:57,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:57,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:57,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:57,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:57,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:57,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:57,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:57,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:57,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:57,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:57,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:57,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:57,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:57,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:57,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:57,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:57,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:57,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:57,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:57,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:57,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:57,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:57,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:57,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:57,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:57,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:57,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:57,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:57,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:57,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:57,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:57,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:57,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:57,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:57,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:57,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:57,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:57,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:57,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:58,021 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:58,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:58,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:58,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:58,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:58,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:58,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:58,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:58,027 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:58,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:58,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:58,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:58,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:58,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:58,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:58,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:58,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:58,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:58,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:58,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:58,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:58,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:58,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:58,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:58,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:58,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:58,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:58,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:58,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:58,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:58,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:58,032 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:58,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:58,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:58,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 195d502e207cba6e22b4d3a0f1eab4288ed491325552159482eaed582ac159e0 [2021-12-15 11:05:58,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:58,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:58,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:58,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:58,269 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:58,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2021-12-15 11:05:58,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f45dc26/e1bef8a09bf843ebaa132d3c155ecb17/FLAGd6a014766 [2021-12-15 11:05:58,854 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:58,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2021-12-15 11:05:58,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f45dc26/e1bef8a09bf843ebaa132d3c155ecb17/FLAGd6a014766 [2021-12-15 11:05:59,128 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f45dc26/e1bef8a09bf843ebaa132d3c155ecb17 [2021-12-15 11:05:59,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:59,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:59,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:59,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:59,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:59,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184ad3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59, skipping insertion in model container [2021-12-15 11:05:59,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:59,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:59,514 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_spec27_product19.cil.c[17762,17775] [2021-12-15 11:05:59,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:59,658 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:59,689 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_spec27_product19.cil.c[17762,17775] [2021-12-15 11:05:59,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:59,810 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:59,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59 WrapperNode [2021-12-15 11:05:59,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:59,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:59,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:59,827 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:59,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,963 INFO L137 Inliner]: procedures = 127, calls = 200, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 949 [2021-12-15 11:05:59,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:59,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:59,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:59,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:59,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:05:59,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:06:00,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:06:00,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:06:00,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:00,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:00,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:00,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:00,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (1/1) ... [2021-12-15 11:06:00,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:00,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:00,105 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 11:06:00,126 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 11:06:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:06:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:06:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:06:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:06:00,146 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:00,146 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:06:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:06:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:06:00,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:06:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-12-15 11:06:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-12-15 11:06:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:06:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:06:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:00,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:06:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:00,397 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:00,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:00,850 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:00,856 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:00,856 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:00,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:00 BoogieIcfgContainer [2021-12-15 11:06:00,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:00,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:00,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:00,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:00,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:59" (1/3) ... [2021-12-15 11:06:00,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dfe456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:00, skipping insertion in model container [2021-12-15 11:06:00,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:59" (2/3) ... [2021-12-15 11:06:00,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13dfe456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:00, skipping insertion in model container [2021-12-15 11:06:00,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:00" (3/3) ... [2021-12-15 11:06:00,865 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product19.cil.c [2021-12-15 11:06:00,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:00,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:00,909 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:00,913 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 11:06:00,913 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 248 states have (on average 1.5241935483870968) internal successors, (378), 250 states have internal predecessors, (378), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2021-12-15 11:06:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-15 11:06:00,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:00,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:00,938 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:00,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:00,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1318613566, now seen corresponding path program 1 times [2021-12-15 11:06:00,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:06:00,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923023343] [2021-12-15 11:06:00,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:00,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:06:00,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:06:00,988 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 11:06:00,992 INFO L158 Benchmark]: Toolchain (without parser) took 1858.86ms. Allocated memory was 94.4MB in the beginning and 161.5MB in the end (delta: 67.1MB). Free memory was 72.8MB in the beginning and 72.4MB in the end (delta: 376.9kB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-12-15 11:06:00,992 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:00,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 676.27ms. Allocated memory was 94.4MB in the beginning and 161.5MB in the end (delta: 67.1MB). Free memory was 72.6MB in the beginning and 130.0MB in the end (delta: -57.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-12-15 11:06:00,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.42ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 134.3MB in the end (delta: -4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:00,993 INFO L158 Benchmark]: Boogie Preprocessor took 52.78ms. Allocated memory is still 161.5MB. Free memory was 134.3MB in the beginning and 130.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:00,994 INFO L158 Benchmark]: RCFGBuilder took 840.00ms. Allocated memory is still 161.5MB. Free memory was 130.2MB in the beginning and 85.1MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2021-12-15 11:06:00,994 INFO L158 Benchmark]: TraceAbstraction took 131.23ms. Allocated memory is still 161.5MB. Free memory was 84.1MB in the beginning and 72.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:06:00,996 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 94.4MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 676.27ms. Allocated memory was 94.4MB in the beginning and 161.5MB in the end (delta: 67.1MB). Free memory was 72.6MB in the beginning and 130.0MB in the end (delta: -57.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.42ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 134.3MB in the end (delta: -4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.78ms. Allocated memory is still 161.5MB. Free memory was 134.3MB in the beginning and 130.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 840.00ms. Allocated memory is still 161.5MB. Free memory was 130.2MB in the beginning and 85.1MB in the end (delta: 45.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 131.23ms. Allocated memory is still 161.5MB. Free memory was 84.1MB in the beginning and 72.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. 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 11:06:01,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec27_product19.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 195d502e207cba6e22b4d3a0f1eab4288ed491325552159482eaed582ac159e0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:03,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:03,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:03,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:03,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:03,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:03,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:03,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:03,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:03,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:03,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:03,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:03,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:03,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:03,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:03,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:03,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:03,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:03,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:03,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:03,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:03,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:03,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:03,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:03,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:03,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:03,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:03,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:03,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:03,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:03,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:03,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:03,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:03,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:03,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:03,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:03,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:03,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:03,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:03,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:03,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:03,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:06:03,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:03,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:03,206 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:03,206 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:03,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:03,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:03,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:03,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:03,209 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:03,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:03,210 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:03,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:03,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:03,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:03,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:03,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:03,212 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:06:03,212 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:06:03,212 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:06:03,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:03,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:03,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:03,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:03,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:03,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:03,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:03,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:03,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:03,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:03,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:03,225 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:06:03,225 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:06:03,225 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:03,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:03,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:03,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:03,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:06:03,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 195d502e207cba6e22b4d3a0f1eab4288ed491325552159482eaed582ac159e0 [2021-12-15 11:06:03,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:03,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:03,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:03,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:03,547 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:03,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2021-12-15 11:06:03,617 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346b126e4/98acac9ad29d4d3fbe48692076005f66/FLAG6a18d87f0 [2021-12-15 11:06:04,057 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:04,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product19.cil.c [2021-12-15 11:06:04,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346b126e4/98acac9ad29d4d3fbe48692076005f66/FLAG6a18d87f0 [2021-12-15 11:06:04,429 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346b126e4/98acac9ad29d4d3fbe48692076005f66 [2021-12-15 11:06:04,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:04,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:04,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:04,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:04,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:04,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:04" (1/1) ... [2021-12-15 11:06:04,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f107673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:04, skipping insertion in model container [2021-12-15 11:06:04,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:04" (1/1) ... [2021-12-15 11:06:04,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:04,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:04,918 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_spec27_product19.cil.c[17762,17775] [2021-12-15 11:06:05,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:05,101 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:06:05,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:05,178 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_spec27_product19.cil.c[17762,17775] [2021-12-15 11:06:05,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:05,220 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:05,245 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_spec27_product19.cil.c[17762,17775] [2021-12-15 11:06:05,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:05,311 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:05,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05 WrapperNode [2021-12-15 11:06:05,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:05,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:05,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:05,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:05,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,390 INFO L137 Inliner]: procedures = 129, calls = 200, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 901 [2021-12-15 11:06:05,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:05,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:05,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:05,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:05,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:05,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:05,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:05,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:05,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (1/1) ... [2021-12-15 11:06:05,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:05,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:05,493 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 11:06:05,526 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 11:06:05,546 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:06:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:06:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:06:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:06:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:06:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:06:05,548 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:05,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:06:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:06:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:05,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:05,549 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-12-15 11:06:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-12-15 11:06:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:06:05,550 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:06:05,550 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:06:05,551 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:05,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:05,757 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:05,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:06,614 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:06,633 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:06,633 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:06,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:06 BoogieIcfgContainer [2021-12-15 11:06:06,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:06,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:06,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:06,641 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:06,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:04" (1/3) ... [2021-12-15 11:06:06,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdd9895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:06, skipping insertion in model container [2021-12-15 11:06:06,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:05" (2/3) ... [2021-12-15 11:06:06,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdd9895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:06, skipping insertion in model container [2021-12-15 11:06:06,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:06" (3/3) ... [2021-12-15 11:06:06,657 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product19.cil.c [2021-12-15 11:06:06,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:06,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:06,735 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:06,739 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 11:06:06,740 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 248 states have (on average 1.5241935483870968) internal successors, (378), 250 states have internal predecessors, (378), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2021-12-15 11:06:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-15 11:06:06,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:06,766 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:06,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:06,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:06,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1318613566, now seen corresponding path program 1 times [2021-12-15 11:06:06,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:06:06,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534359101] [2021-12-15 11:06:06,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:06,781 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:06:06,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:06:06,783 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 11:06:06,784 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 11:06:06,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 11:06:07,068 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 11:06:07,068 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 11:06:07,072 INFO L158 Benchmark]: Toolchain (without parser) took 2638.52ms. Allocated memory was 56.6MB in the beginning and 98.6MB in the end (delta: 41.9MB). Free memory was 33.0MB in the beginning and 62.3MB in the end (delta: -29.3MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:07,073 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:07,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.18ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 32.8MB in the beginning and 41.8MB in the end (delta: -9.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-12-15 11:06:07,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.65ms. Allocated memory is still 81.8MB. Free memory was 41.8MB in the beginning and 57.2MB in the end (delta: -15.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2021-12-15 11:06:07,074 INFO L158 Benchmark]: Boogie Preprocessor took 67.19ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 53.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:07,075 INFO L158 Benchmark]: RCFGBuilder took 1177.30ms. Allocated memory is still 81.8MB. Free memory was 53.0MB in the beginning and 36.3MB in the end (delta: 16.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-12-15 11:06:07,075 INFO L158 Benchmark]: TraceAbstraction took 432.82ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 35.8MB in the beginning and 62.3MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:07,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 878.18ms. Allocated memory was 56.6MB in the beginning and 81.8MB in the end (delta: 25.2MB). Free memory was 32.8MB in the beginning and 41.8MB in the end (delta: -9.1MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.65ms. Allocated memory is still 81.8MB. Free memory was 41.8MB in the beginning and 57.2MB in the end (delta: -15.4MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.19ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 53.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1177.30ms. Allocated memory is still 81.8MB. Free memory was 53.0MB in the beginning and 36.3MB in the end (delta: 16.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * TraceAbstraction took 432.82ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 35.8MB in the beginning and 62.3MB in the end (delta: -26.4MB). 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 11:06:07,103 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