./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product40.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_spec0_product40.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 b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:21,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:21,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:21,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:21,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:21,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:21,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:21,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:21,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:21,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:21,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:21,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:21,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:21,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:21,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:21,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:21,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:21,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:21,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:21,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:21,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:21,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:21,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:21,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:21,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:21,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:21,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:21,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:21,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:21,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:21,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:21,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:21,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:21,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:21,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:21,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:21,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:21,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:21,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:21,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:21,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:21,621 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:21,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:21,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:21,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:21,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:21,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:21,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:21,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:21,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:21,659 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:21,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:21,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:21,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:21,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:21,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:21,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:21,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:21,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:21,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:21,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:21,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:21,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:21,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:21,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:21,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:21,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:21,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:21,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:21,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:21,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:21,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:21,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:21,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:21,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:21,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:21,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 [2021-12-15 11:05:21,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:21,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:21,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:21,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:21,899 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:21,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2021-12-15 11:05:21,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f425b96/d4bc981268e04bfbaa4fdedf6e6aaa9c/FLAGe7cedc456 [2021-12-15 11:05:22,423 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:22,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2021-12-15 11:05:22,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f425b96/d4bc981268e04bfbaa4fdedf6e6aaa9c/FLAGe7cedc456 [2021-12-15 11:05:22,468 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44f425b96/d4bc981268e04bfbaa4fdedf6e6aaa9c [2021-12-15 11:05:22,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:22,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:22,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:22,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:22,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:22,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a7008a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22, skipping insertion in model container [2021-12-15 11:05:22,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:22,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:22,726 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_spec0_product40.cil.c[7657,7670] [2021-12-15 11:05:22,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:22,903 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:22,916 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_spec0_product40.cil.c[7657,7670] [2021-12-15 11:05:22,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:22,999 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:23,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23 WrapperNode [2021-12-15 11:05:23,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:23,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:23,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:23,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:23,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,096 INFO L137 Inliner]: procedures = 127, calls = 205, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 907 [2021-12-15 11:05:23,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:23,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:23,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:23,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:23,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:23,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:23,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:23,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:23,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:23,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:23,192 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 11:05:23,215 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 11:05:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:23,449 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:23,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:24,000 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:24,007 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:24,008 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:24,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:24 BoogieIcfgContainer [2021-12-15 11:05:24,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:24,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:24,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:24,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:24,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:22" (1/3) ... [2021-12-15 11:05:24,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633e2485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:24, skipping insertion in model container [2021-12-15 11:05:24,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23" (2/3) ... [2021-12-15 11:05:24,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633e2485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:24, skipping insertion in model container [2021-12-15 11:05:24,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:24" (3/3) ... [2021-12-15 11:05:24,021 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2021-12-15 11:05:24,025 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:24,026 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:24,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:24,069 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 11:05:24,070 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 11:05:24,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-15 11:05:24,123 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:24,124 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] [2021-12-15 11:05:24,124 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:24,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:24,128 INFO L85 PathProgramCache]: Analyzing trace with hash 836814964, now seen corresponding path program 1 times [2021-12-15 11:05:24,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:24,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486231078] [2021-12-15 11:05:24,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:24,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:24,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:24,185 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 11:05:24,188 INFO L158 Benchmark]: Toolchain (without parser) took 1717.24ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 64.5MB in the end (delta: 3.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,189 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:24,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.03ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.0MB in the beginning and 92.4MB in the end (delta: -24.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.83ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 88.7MB in the end (delta: 3.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,190 INFO L158 Benchmark]: Boogie Preprocessor took 68.66ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,190 INFO L158 Benchmark]: RCFGBuilder took 842.75ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 77.1MB in the end (delta: 7.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,191 INFO L158 Benchmark]: TraceAbstraction took 176.95ms. Allocated memory is still 121.6MB. Free memory was 76.4MB in the beginning and 64.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.03ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.0MB in the beginning and 92.4MB in the end (delta: -24.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.83ms. Allocated memory is still 121.6MB. Free memory was 92.4MB in the beginning and 88.7MB in the end (delta: 3.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.66ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 84.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 842.75ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 77.1MB in the end (delta: 7.4MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * TraceAbstraction took 176.95ms. Allocated memory is still 121.6MB. Free memory was 76.4MB in the beginning and 64.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:05:24,226 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_spec0_product40.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 b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:26,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:26,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:26,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:26,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:26,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:26,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:26,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:26,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:26,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:26,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:26,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:26,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:26,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:26,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:26,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:26,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:26,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:26,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:26,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:26,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:26,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:26,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:26,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:26,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:26,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:26,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:26,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:26,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:26,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:26,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:26,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:26,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:26,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:26,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:26,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:26,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:26,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:26,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:26,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:26,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:26,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:26,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:26,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:26,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:26,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:26,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:26,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:26,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:26,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:26,163 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:26,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:26,164 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:26,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:26,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:26,166 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:26,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:26,166 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:26,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:26,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:26,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:26,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:26,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:26,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:26,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:26,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:26,167 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:26,168 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:26,168 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:26,168 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:26,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:26,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:26,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:26,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2243f2ebf184fce0ef7b08cdc971efef96ae919ab8c33e807ab93ab6dbfb0b7 [2021-12-15 11:05:26,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:26,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:26,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:26,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:26,471 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:26,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2021-12-15 11:05:26,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493be6329/14d49b393784408a98e5216742003290/FLAGda4bcacdc [2021-12-15 11:05:27,016 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:27,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2021-12-15 11:05:27,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493be6329/14d49b393784408a98e5216742003290/FLAGda4bcacdc [2021-12-15 11:05:27,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493be6329/14d49b393784408a98e5216742003290 [2021-12-15 11:05:27,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:27,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:27,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:27,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:27,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:27,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a0f8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27, skipping insertion in model container [2021-12-15 11:05:27,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:27,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:27,785 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_spec0_product40.cil.c[7657,7670] [2021-12-15 11:05:27,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:27,990 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:27,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:28,020 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_spec0_product40.cil.c[7657,7670] [2021-12-15 11:05:28,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:28,082 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:28,106 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_spec0_product40.cil.c[7657,7670] [2021-12-15 11:05:28,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:28,188 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:28,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28 WrapperNode [2021-12-15 11:05:28,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:28,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:28,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:28,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:28,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,302 INFO L137 Inliner]: procedures = 129, calls = 205, calls flagged for inlining = 52, calls inlined = 49, statements flattened = 861 [2021-12-15 11:05:28,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:28,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:28,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:28,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:28,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:28,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:28,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:28,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:28,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:28,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:28,417 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 11:05:28,433 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 11:05:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:28,673 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:28,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:29,258 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:29,270 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:29,270 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:29,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:29 BoogieIcfgContainer [2021-12-15 11:05:29,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:29,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:29,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:29,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:29,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:27" (1/3) ... [2021-12-15 11:05:29,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7986bec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:29, skipping insertion in model container [2021-12-15 11:05:29,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (2/3) ... [2021-12-15 11:05:29,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7986bec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:29, skipping insertion in model container [2021-12-15 11:05:29,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:29" (3/3) ... [2021-12-15 11:05:29,278 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2021-12-15 11:05:29,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:29,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:29,326 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:29,334 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 11:05:29,335 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 262 states have (on average 1.5648854961832062) internal successors, (410), 265 states have internal predecessors, (410), 52 states have call successors, (52), 20 states have call predecessors, (52), 20 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2021-12-15 11:05:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-15 11:05:29,380 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:29,381 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] [2021-12-15 11:05:29,382 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:29,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:29,386 INFO L85 PathProgramCache]: Analyzing trace with hash 836814964, now seen corresponding path program 1 times [2021-12-15 11:05:29,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:05:29,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596510752] [2021-12-15 11:05:29,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:29,397 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:05:29,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:05:29,401 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 11:05:29,441 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 11:05:29,517 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 11:05:29,702 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 11:05:29,703 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 11:05:29,707 INFO L158 Benchmark]: Toolchain (without parser) took 2199.68ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 45.8MB in the beginning and 40.3MB in the end (delta: 5.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:29,708 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:29,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.90ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 38.3MB in the end (delta: 7.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:29,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.17ms. Allocated memory is still 62.9MB. Free memory was 38.3MB in the beginning and 33.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:29,710 INFO L158 Benchmark]: Boogie Preprocessor took 74.91ms. Allocated memory is still 62.9MB. Free memory was 33.0MB in the beginning and 28.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:29,717 INFO L158 Benchmark]: RCFGBuilder took 888.60ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 34.1MB in the end (delta: -5.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:29,717 INFO L158 Benchmark]: TraceAbstraction took 432.44ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 40.3MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:29,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.90ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 38.3MB in the end (delta: 7.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.17ms. Allocated memory is still 62.9MB. Free memory was 38.3MB in the beginning and 33.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.91ms. Allocated memory is still 62.9MB. Free memory was 33.0MB in the beginning and 28.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 888.60ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 34.1MB in the end (delta: -5.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 432.44ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 40.3MB in the end (delta: -6.5MB). 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 11:05:29,757 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