./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product14.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_spec6_product14.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 bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:38,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:38,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:38,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:38,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:38,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:38,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:38,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:38,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:38,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:38,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:38,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:38,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:38,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:38,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:38,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:38,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:38,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:38,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:38,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:38,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:38,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:38,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:38,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:38,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:38,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:38,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:38,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:38,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:38,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:38,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:38,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:38,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:38,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:38,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:38,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:38,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:38,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:38,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:38,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:38,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:38,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:06:38,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:38,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:38,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:38,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:38,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:38,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:38,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:38,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:38,360 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:38,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:38,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:38,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:06:38,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:38,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:38,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:38,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:38,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:38,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:38,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:38,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:38,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:38,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:38,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:06:38,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:06:38,364 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:38,364 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:38,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:38,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:38,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be [2021-12-15 11:06:38,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:38,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:38,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:38,571 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:38,571 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:38,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-12-15 11:06:38,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54cc81fc5/632a9ce3dbf745bba2d9c1522c53096e/FLAGfcb11a570 [2021-12-15 11:06:39,073 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:39,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-12-15 11:06:39,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54cc81fc5/632a9ce3dbf745bba2d9c1522c53096e/FLAGfcb11a570 [2021-12-15 11:06:39,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54cc81fc5/632a9ce3dbf745bba2d9c1522c53096e [2021-12-15 11:06:39,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:39,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:39,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:39,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:39,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:39,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:39,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faa43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39, skipping insertion in model container [2021-12-15 11:06:39,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:39,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:39,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:39,768 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_spec6_product14.cil.c[43937,43950] [2021-12-15 11:06:39,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:39,846 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:39,908 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_spec6_product14.cil.c[43937,43950] [2021-12-15 11:06:39,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:39,963 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:39,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39 WrapperNode [2021-12-15 11:06:39,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:39,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:39,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:39,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:39,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,041 INFO L137 Inliner]: procedures = 126, calls = 212, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 878 [2021-12-15 11:06:40,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:40,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:40,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:40,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:40,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:40,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:40,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:40,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:40,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (1/1) ... [2021-12-15 11:06:40,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:40,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:40,155 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 11:06:40,163 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 11:06:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:06:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:06:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:06:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:06:40,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:40,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:40,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:40,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:06:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:06:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:40,185 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:40,185 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:40,186 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:40,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:06:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:06:40,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:06:40,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:40,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:40,375 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:40,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:40,905 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:40,916 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:40,917 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:40,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:40 BoogieIcfgContainer [2021-12-15 11:06:40,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:40,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:40,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:40,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:40,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:39" (1/3) ... [2021-12-15 11:06:40,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce61d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:40, skipping insertion in model container [2021-12-15 11:06:40,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:39" (2/3) ... [2021-12-15 11:06:40,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce61d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:40, skipping insertion in model container [2021-12-15 11:06:40,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:40" (3/3) ... [2021-12-15 11:06:40,926 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2021-12-15 11:06:40,929 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:40,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:40,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:40,980 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 11:06:40,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 274 states have (on average 1.572992700729927) internal successors, (431), 279 states have internal predecessors, (431), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2021-12-15 11:06:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-15 11:06:41,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:41,016 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:41,016 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:41,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:41,021 INFO L85 PathProgramCache]: Analyzing trace with hash 331586566, now seen corresponding path program 1 times [2021-12-15 11:06:41,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:06:41,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591414465] [2021-12-15 11:06:41,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:41,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:06:41,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:06:41,076 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 11:06:41,081 INFO L158 Benchmark]: Toolchain (without parser) took 1703.65ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 57.2MB in the end (delta: -8.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-12-15 11:06:41,082 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:41,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.71ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 55.9MB in the end (delta: -6.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:41,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.76ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 50.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:41,084 INFO L158 Benchmark]: Boogie Preprocessor took 85.28ms. Allocated memory is still 107.0MB. Free memory was 50.5MB in the beginning and 80.2MB in the end (delta: -29.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:41,085 INFO L158 Benchmark]: RCFGBuilder took 791.72ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 69.9MB in the end (delta: 10.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-12-15 11:06:41,089 INFO L158 Benchmark]: TraceAbstraction took 158.63ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 57.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:06:41,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 68.1MB in the beginning and 68.0MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.71ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 55.9MB in the end (delta: -6.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.76ms. Allocated memory is still 107.0MB. Free memory was 55.9MB in the beginning and 50.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.28ms. Allocated memory is still 107.0MB. Free memory was 50.5MB in the beginning and 80.2MB in the end (delta: -29.7MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * RCFGBuilder took 791.72ms. Allocated memory is still 107.0MB. Free memory was 80.0MB in the beginning and 69.9MB in the end (delta: 10.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * TraceAbstraction took 158.63ms. Allocated memory is still 107.0MB. Free memory was 69.9MB in the beginning and 57.2MB in the end (delta: 12.7MB). 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 11:06:41,125 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_spec6_product14.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 bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:06:42,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:06:42,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:06:42,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:06:43,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:06:43,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:06:43,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:06:43,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:06:43,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:06:43,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:06:43,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:06:43,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:06:43,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:06:43,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:06:43,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:06:43,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:06:43,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:06:43,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:06:43,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:06:43,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:06:43,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:06:43,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:06:43,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:06:43,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:06:43,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:06:43,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:06:43,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:06:43,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:06:43,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:06:43,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:06:43,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:06:43,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:06:43,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:06:43,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:06:43,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:06:43,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:06:43,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:06:43,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:06:43,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:06:43,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:06:43,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:06:43,053 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:06:43,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:06:43,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:06:43,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:06:43,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:06:43,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:06:43,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:06:43,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:06:43,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:06:43,078 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:06:43,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:06:43,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:06:43,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:06:43,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:06:43,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:06:43,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:06:43,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:06:43,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:06:43,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:43,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:06:43,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:06:43,085 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcfdffd5743ab46e6f5628bffe82029f1c91fa1aa61e5033c157235a6e9c82be [2021-12-15 11:06:43,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:06:43,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:06:43,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:06:43,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:06:43,391 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:06:43,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-12-15 11:06:43,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813add76b/08202c11933041978f7410afbd8984bf/FLAG6cc316bf6 [2021-12-15 11:06:43,936 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:06:43,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2021-12-15 11:06:43,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813add76b/08202c11933041978f7410afbd8984bf/FLAG6cc316bf6 [2021-12-15 11:06:44,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813add76b/08202c11933041978f7410afbd8984bf [2021-12-15 11:06:44,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:06:44,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:06:44,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:44,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:06:44,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:06:44,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e52dc81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44, skipping insertion in model container [2021-12-15 11:06:44,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:44,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:06:44,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:44,634 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_spec6_product14.cil.c[43937,43950] [2021-12-15 11:06:44,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:44,711 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:06:44,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:06:44,790 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_spec6_product14.cil.c[43937,43950] [2021-12-15 11:06:44,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:44,835 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:06:44,887 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_spec6_product14.cil.c[43937,43950] [2021-12-15 11:06:44,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:06:44,977 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:06:44,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44 WrapperNode [2021-12-15 11:06:44,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:06:44,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:44,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:06:44,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:06:44,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,062 INFO L137 Inliner]: procedures = 128, calls = 212, calls flagged for inlining = 49, calls inlined = 41, statements flattened = 832 [2021-12-15 11:06:45,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:06:45,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:06:45,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:06:45,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:06:45,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:06:45,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:06:45,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:06:45,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:06:45,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (1/1) ... [2021-12-15 11:06:45,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:06:45,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:06:45,190 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 11:06:45,198 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 11:06:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:06:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:06:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:06:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:06:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:06:45,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:06:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:06:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:06:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:06:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:06:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:06:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:06:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:06:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:06:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:06:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:06:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:06:45,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:06:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:06:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:06:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:06:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:06:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:06:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:06:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:06:45,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:06:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:06:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:06:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:06:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:06:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:06:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:06:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:06:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:06:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:06:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-12-15 11:06:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:06:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:06:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:06:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:06:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:06:45,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:06:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:06:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:06:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:06:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:06:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:06:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:06:45,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:06:45,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:06:45,420 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:06:45,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:06:45,986 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:06:46,002 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:06:46,002 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:06:46,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:46 BoogieIcfgContainer [2021-12-15 11:06:46,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:06:46,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:06:46,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:06:46,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:06:46,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:06:44" (1/3) ... [2021-12-15 11:06:46,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb63179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:46, skipping insertion in model container [2021-12-15 11:06:46,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:06:44" (2/3) ... [2021-12-15 11:06:46,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb63179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:06:46, skipping insertion in model container [2021-12-15 11:06:46,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:06:46" (3/3) ... [2021-12-15 11:06:46,011 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2021-12-15 11:06:46,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:06:46,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:06:46,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:06:46,068 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 11:06:46,069 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:06:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 274 states have (on average 1.572992700729927) internal successors, (431), 279 states have internal predecessors, (431), 56 states have call successors, (56), 23 states have call predecessors, (56), 23 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2021-12-15 11:06:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-15 11:06:46,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:06:46,121 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:06:46,122 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:06:46,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:06:46,126 INFO L85 PathProgramCache]: Analyzing trace with hash 331586566, now seen corresponding path program 1 times [2021-12-15 11:06:46,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:06:46,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446081119] [2021-12-15 11:06:46,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:06:46,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:06:46,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:06:46,141 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 11:06:46,149 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 11:06:46,237 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 11:06:46,437 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 11:06:46,437 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 11:06:46,441 INFO L158 Benchmark]: Toolchain (without parser) took 2216.96ms. Allocated memory was 60.8MB in the beginning and 109.1MB in the end (delta: 48.2MB). Free memory was 38.5MB in the beginning and 79.7MB in the end (delta: -41.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,442 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:06:46,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.40ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 57.0MB in the end (delta: -18.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.30ms. Allocated memory is still 79.7MB. Free memory was 57.0MB in the beginning and 52.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,443 INFO L158 Benchmark]: Boogie Preprocessor took 58.04ms. Allocated memory is still 79.7MB. Free memory was 52.0MB in the beginning and 47.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,443 INFO L158 Benchmark]: RCFGBuilder took 883.69ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 43.0MB in the end (delta: 4.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,444 INFO L158 Benchmark]: TraceAbstraction took 433.50ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 42.6MB in the beginning and 79.7MB in the end (delta: -37.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 11:06:46,446 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 60.8MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.40ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 57.0MB in the end (delta: -18.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.30ms. Allocated memory is still 79.7MB. Free memory was 57.0MB in the beginning and 52.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.04ms. Allocated memory is still 79.7MB. Free memory was 52.0MB in the beginning and 47.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 883.69ms. Allocated memory is still 79.7MB. Free memory was 47.8MB in the beginning and 43.0MB in the end (delta: 4.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 433.50ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 42.6MB in the beginning and 79.7MB in the end (delta: -37.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:06:46,494 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