./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec3_product31.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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:17,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:17,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:17,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:17,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:17,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:17,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:17,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:17,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:17,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:17,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:17,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:17,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:17,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:17,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:17,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:17,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:17,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:17,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:17,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:17,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:17,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:17,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:17,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:17,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:17,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:17,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:17,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:17,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:17,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:17,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:17,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:17,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:17,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:17,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:17,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:17,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:17,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:17,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:17,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:17,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:17,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:06:17,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:17,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:17,273 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:17,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:17,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:17,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:17,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:17,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:17,275 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:17,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:17,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:17,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:06:17,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:17,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:17,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:17,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:17,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:17,283 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:17,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:17,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:17,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:17,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:17,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:17,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:17,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:17,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:17,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:17,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:17,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:06:17,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:06:17,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:17,286 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:17,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:17,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:17,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2021-12-15 11:06:17,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:17,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:17,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:17,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:17,579 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:17,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-12-15 11:06:17,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9eceddd/74db02c11ac7462ca50fa5c38ee3fba8/FLAG321e4e8f5 [2021-12-15 11:06:18,155 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:18,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-12-15 11:06:18,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9eceddd/74db02c11ac7462ca50fa5c38ee3fba8/FLAG321e4e8f5 [2021-12-15 11:06:18,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb9eceddd/74db02c11ac7462ca50fa5c38ee3fba8 [2021-12-15 11:06:18,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:18,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:18,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:18,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:18,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:18,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:18" (1/1) ... [2021-12-15 11:06:18,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260e2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:18, skipping insertion in model container [2021-12-15 11:06:18,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:18" (1/1) ... [2021-12-15 11:06:18,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:18,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:19,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-12-15 11:06:19,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:19,228 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:19,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-12-15 11:06:19,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:19,380 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:19,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19 WrapperNode [2021-12-15 11:06:19,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:19,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:19,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:19,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:19,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,475 INFO L137 Inliner]: procedures = 132, calls = 227, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 1050 [2021-12-15 11:06:19,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:19,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:19,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:19,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:19,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:19,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:19,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:19,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:19,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (1/1) ... [2021-12-15 11:06:19,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:19,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:19,615 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 11:06:19,635 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 11:06:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:06:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:06:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:19,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:06:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:06:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:06:19,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:06:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:06:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:06:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:19,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:06:19,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:06:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:06:19,661 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:06:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:19,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:19,662 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:06:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:19,663 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:19,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:19,933 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:19,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:20,628 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:20,652 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:20,654 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:20,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:20 BoogieIcfgContainer [2021-12-15 11:06:20,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:20,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:20,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:20,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:20,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:18" (1/3) ... [2021-12-15 11:06:20,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ed37e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:20, skipping insertion in model container [2021-12-15 11:06:20,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:19" (2/3) ... [2021-12-15 11:06:20,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ed37e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:20, skipping insertion in model container [2021-12-15 11:06:20,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:20" (3/3) ... [2021-12-15 11:06:20,669 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product31.cil.c [2021-12-15 11:06:20,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:20,674 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:20,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:20,729 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 11:06:20,730 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 290 states have (on average 1.4965517241379311) internal successors, (434), 296 states have internal predecessors, (434), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2021-12-15 11:06:20,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-15 11:06:20,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:20,798 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:20,799 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:20,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1387818797, now seen corresponding path program 1 times [2021-12-15 11:06:20,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:06:20,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341788244] [2021-12-15 11:06:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:20,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:06:20,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:06:20,876 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 11:06:20,885 INFO L158 Benchmark]: Toolchain (without parser) took 2183.15ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 72.2MB in the beginning and 67.3MB in the end (delta: 5.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-12-15 11:06:20,886 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:20,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.60ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 59.2MB in the end (delta: 12.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2021-12-15 11:06:20,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.53ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 53.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:20,889 INFO L158 Benchmark]: Boogie Preprocessor took 69.77ms. Allocated memory is still 94.4MB. Free memory was 53.0MB in the beginning and 48.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:20,891 INFO L158 Benchmark]: RCFGBuilder took 1107.06ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 48.4MB in the beginning and 79.8MB in the end (delta: -31.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:20,895 INFO L158 Benchmark]: TraceAbstraction took 222.46ms. Allocated memory is still 119.5MB. Free memory was 79.8MB in the beginning and 67.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:20,900 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 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.60ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 59.2MB in the end (delta: 12.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.53ms. Allocated memory is still 94.4MB. Free memory was 59.2MB in the beginning and 53.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.77ms. Allocated memory is still 94.4MB. Free memory was 53.0MB in the beginning and 48.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1107.06ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 48.4MB in the beginning and 79.8MB in the end (delta: -31.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 222.46ms. Allocated memory is still 119.5MB. Free memory was 79.8MB in the beginning and 67.3MB 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 11:06:20,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec3_product31.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 beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:22,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:22,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:22,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:22,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:22,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:22,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:22,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:22,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:22,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:22,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:22,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:22,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:22,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:22,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:22,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:22,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:22,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:22,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:22,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:22,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:22,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:22,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:22,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:22,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:22,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:22,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:22,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:22,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:22,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:22,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:22,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:22,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:22,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:22,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:22,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:22,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:22,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:22,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:22,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:22,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:22,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:06:22,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:22,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:22,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:22,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:22,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:22,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:22,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:22,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:22,903 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:22,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:22,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:22,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:22,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:22,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:22,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:22,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:22,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:06:22,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:06:22,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:06:22,905 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:22,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:22,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:22,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:22,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:22,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:22,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:22,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:22,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:22,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:22,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:22,917 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:06:22,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:06:22,917 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:22,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:22,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:22,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:22,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:06:22,918 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb678f648eb46083c76f273f6eef79e0abada1343858eba26829a720997a379 [2021-12-15 11:06:23,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:23,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:23,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:23,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:23,298 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:23,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-12-15 11:06:23,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4326f16f/0571f4d2c81d41ffaa236d48696d86b3/FLAG808589469 [2021-12-15 11:06:23,981 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:23,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c [2021-12-15 11:06:24,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4326f16f/0571f4d2c81d41ffaa236d48696d86b3/FLAG808589469 [2021-12-15 11:06:24,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4326f16f/0571f4d2c81d41ffaa236d48696d86b3 [2021-12-15 11:06:24,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:24,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:24,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:24,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:24,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:24,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:24" (1/1) ... [2021-12-15 11:06:24,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343936dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:24, skipping insertion in model container [2021-12-15 11:06:24,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:24" (1/1) ... [2021-12-15 11:06:24,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:24,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:24,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-12-15 11:06:24,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:24,939 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:06:24,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:25,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-12-15 11:06:25,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:25,055 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:25,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product31.cil.c[42138,42151] [2021-12-15 11:06:25,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:25,192 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:25,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25 WrapperNode [2021-12-15 11:06:25,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:25,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:25,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:25,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:25,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,326 INFO L137 Inliner]: procedures = 134, calls = 227, calls flagged for inlining = 61, calls inlined = 56, statements flattened = 989 [2021-12-15 11:06:25,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:25,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:25,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:25,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:25,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:25,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:25,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:25,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:25,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (1/1) ... [2021-12-15 11:06:25,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:25,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:25,458 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 11:06:25,477 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 11:06:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:25,499 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:06:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:06:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:25,500 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:06:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:06:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:06:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:06:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:25,502 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:06:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:06:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-12-15 11:06:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-12-15 11:06:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:06:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:06:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:06:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:25,769 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:25,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:26,426 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:26,440 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:26,440 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:26,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:26 BoogieIcfgContainer [2021-12-15 11:06:26,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:26,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:26,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:26,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:26,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:24" (1/3) ... [2021-12-15 11:06:26,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c3a096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:26, skipping insertion in model container [2021-12-15 11:06:26,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:25" (2/3) ... [2021-12-15 11:06:26,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c3a096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:26, skipping insertion in model container [2021-12-15 11:06:26,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:26" (3/3) ... [2021-12-15 11:06:26,454 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product31.cil.c [2021-12-15 11:06:26,460 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:26,461 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:26,517 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:26,524 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 11:06:26,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:26,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 290 states have (on average 1.4965517241379311) internal successors, (434), 296 states have internal predecessors, (434), 64 states have call successors, (64), 24 states have call predecessors, (64), 24 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2021-12-15 11:06:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-15 11:06:26,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:26,599 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:26,599 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:26,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:26,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1387818797, now seen corresponding path program 1 times [2021-12-15 11:06:26,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:06:26,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605350230] [2021-12-15 11:06:26,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:26,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:06:26,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:06:26,625 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 11:06:26,628 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 11:06:26,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:06:26,940 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 11:06:26,941 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 11:06:26,944 INFO L158 Benchmark]: Toolchain (without parser) took 2695.61ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 27.1MB in the beginning and 45.5MB in the end (delta: -18.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2021-12-15 11:06:26,944 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 52.4MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:26,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.28ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 26.9MB in the beginning and 31.5MB in the end (delta: -4.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-12-15 11:06:26,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.20ms. Allocated memory is still 65.0MB. Free memory was 31.5MB in the beginning and 43.4MB in the end (delta: -11.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:26,946 INFO L158 Benchmark]: Boogie Preprocessor took 91.11ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 38.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:26,947 INFO L158 Benchmark]: RCFGBuilder took 1024.50ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.8MB in the beginning and 39.1MB in the end (delta: -268.2kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:26,947 INFO L158 Benchmark]: TraceAbstraction took 495.53ms. Allocated memory is still 79.7MB. Free memory was 38.6MB in the beginning and 45.5MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:26,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 52.4MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.28ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 26.9MB in the beginning and 31.5MB in the end (delta: -4.6MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.20ms. Allocated memory is still 65.0MB. Free memory was 31.5MB in the beginning and 43.4MB in the end (delta: -11.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.11ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 38.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1024.50ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 38.8MB in the beginning and 39.1MB in the end (delta: -268.2kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * TraceAbstraction took 495.53ms. Allocated memory is still 79.7MB. Free memory was 38.6MB in the beginning and 45.5MB in the end (delta: -6.9MB). 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 11:06:26,982 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