./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product38.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_product38.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 bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:21,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:21,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:21,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:21,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:21,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:21,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:21,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:21,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:21,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:21,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:21,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:21,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:21,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:21,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:21,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:21,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:21,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:21,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:21,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:21,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:21,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:21,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:21,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:21,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:21,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:21,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:21,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:21,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:21,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:21,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:21,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:21,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:21,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:21,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:21,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:21,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:21,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:21,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:21,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:21,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:21,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:21,677 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:21,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:21,678 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:21,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:21,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:21,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:21,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:21,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:21,681 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:21,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:21,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:21,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:21,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:21,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:21,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:21,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:21,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:21,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:21,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:21,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:21,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:21,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:21,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:21,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:21,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:21,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:21,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:21,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:21,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:21,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:21,685 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:21,686 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:21,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:21,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:21,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 [2021-12-15 11:05:21,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:21,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:21,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:21,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:21,936 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:21,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2021-12-15 11:05:21,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff18d20ae/a6a891a345624925b03c38797694c147/FLAGd44f9fa4b [2021-12-15 11:05:22,473 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:22,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2021-12-15 11:05:22,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff18d20ae/a6a891a345624925b03c38797694c147/FLAGd44f9fa4b [2021-12-15 11:05:23,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff18d20ae/a6a891a345624925b03c38797694c147 [2021-12-15 11:05:23,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:23,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:23,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:23,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:23,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:23,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3320a395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23, skipping insertion in model container [2021-12-15 11:05:23,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:23" (1/1) ... [2021-12-15 11:05:23,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:23,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:23,275 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_product38.cil.c[9373,9386] [2021-12-15 11:05:23,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:23,441 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:23,472 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_product38.cil.c[9373,9386] [2021-12-15 11:05:23,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:23,607 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:23,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:23 WrapperNode [2021-12-15 11:05:23,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:23,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:23,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:23,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:23,628 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 11:05:23,647 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 11:05:23,710 INFO L137 Inliner]: procedures = 124, calls = 195, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 870 [2021-12-15 11:05:23,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:23,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:23,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:23,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:23,720 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 11:05:23,720 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 11:05:23,731 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 11:05:23,736 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 11:05:23,745 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 11:05:23,764 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 11:05:23,778 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 11:05:23,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:23,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:23,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:23,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:23,790 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 11:05:23,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:23,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:23,815 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 11:05:23,844 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 11:05:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:23,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:23,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2021-12-15 11:05:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2021-12-15 11:05:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:23,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:23,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:24,132 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:24,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:24,674 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:24,690 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:24,691 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:24,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:24 BoogieIcfgContainer [2021-12-15 11:05:24,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:24,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:24,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:24,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:24,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:23" (1/3) ... [2021-12-15 11:05:24,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8fccb5 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 11:05:24,700 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 11:05:24,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8fccb5 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 11:05:24,701 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 11:05:24,703 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2021-12-15 11:05:24,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:24,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:24,757 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:24,764 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 11:05:24,765 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 313 states, 246 states have (on average 1.5731707317073171) internal successors, (387), 249 states have internal predecessors, (387), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2021-12-15 11:05:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-15 11:05:24,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:24,800 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] [2021-12-15 11:05:24,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:24,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:24,805 INFO L85 PathProgramCache]: Analyzing trace with hash -816330075, now seen corresponding path program 1 times [2021-12-15 11:05:24,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:24,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293020837] [2021-12-15 11:05:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:24,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:24,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:24,857 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 11:05:24,867 INFO L158 Benchmark]: Toolchain (without parser) took 1856.86ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 66.9MB in the beginning and 60.4MB in the end (delta: 6.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,868 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:24,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.79ms. Allocated memory is still 107.0MB. Free memory was 66.7MB in the beginning and 55.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.12ms. Allocated memory is still 107.0MB. Free memory was 55.8MB in the beginning and 50.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,869 INFO L158 Benchmark]: Boogie Preprocessor took 68.39ms. Allocated memory is still 107.0MB. Free memory was 50.7MB in the beginning and 46.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,870 INFO L158 Benchmark]: RCFGBuilder took 911.33ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 46.5MB in the beginning and 73.0MB in the end (delta: -26.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,870 INFO L158 Benchmark]: TraceAbstraction took 169.80ms. Allocated memory is still 140.5MB. Free memory was 72.1MB in the beginning and 60.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:24,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.79ms. Allocated memory is still 107.0MB. Free memory was 66.7MB in the beginning and 55.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.12ms. Allocated memory is still 107.0MB. Free memory was 55.8MB in the beginning and 50.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.39ms. Allocated memory is still 107.0MB. Free memory was 50.7MB in the beginning and 46.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 911.33ms. Allocated memory was 107.0MB in the beginning and 140.5MB in the end (delta: 33.6MB). Free memory was 46.5MB in the beginning and 73.0MB in the end (delta: -26.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * TraceAbstraction took 169.80ms. Allocated memory is still 140.5MB. Free memory was 72.1MB in the beginning and 60.4MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:05:24,914 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_product38.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 bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:26,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:26,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:26,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:26,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:26,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:26,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:26,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:26,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:26,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:26,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:26,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:26,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:26,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:26,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:26,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:26,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:26,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:26,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:26,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:26,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:26,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:26,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:26,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:26,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:26,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:26,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:26,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:26,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:26,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:26,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:26,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:26,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:26,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:27,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:27,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:27,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:27,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:27,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:27,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:27,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:27,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:27,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:27,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:27,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:27,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:27,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:27,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:27,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:27,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:27,026 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:27,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:27,026 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:27,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:27,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:27,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:27,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:27,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:27,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:27,028 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:27,028 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:27,028 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:27,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:27,028 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:27,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:27,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:27,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:27,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:27,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:27,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:27,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:27,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:27,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:27,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6587ac6cf18c69f9c15caef5354ee5ad606346c35154ee0861ae3e169457d6 [2021-12-15 11:05:27,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:27,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:27,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:27,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:27,316 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:27,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2021-12-15 11:05:27,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c333a02b3/b890cd7915db41b0aef653eb1a8a90b6/FLAG639e97fdf [2021-12-15 11:05:27,916 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:27,916 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2021-12-15 11:05:27,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c333a02b3/b890cd7915db41b0aef653eb1a8a90b6/FLAG639e97fdf [2021-12-15 11:05:28,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c333a02b3/b890cd7915db41b0aef653eb1a8a90b6 [2021-12-15 11:05:28,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:28,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:28,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:28,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:28,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:28,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b26c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28, skipping insertion in model container [2021-12-15 11:05:28,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:28,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:28,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:28,438 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_product38.cil.c[9373,9386] [2021-12-15 11:05:28,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:28,659 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:28,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:28,702 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_product38.cil.c[9373,9386] [2021-12-15 11:05:28,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:28,785 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:28,811 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_product38.cil.c[9373,9386] [2021-12-15 11:05:28,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:28,878 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:28,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28 WrapperNode [2021-12-15 11:05:28,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:28,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:28,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:28,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:28,884 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 11:05:28,911 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 11:05:28,959 INFO L137 Inliner]: procedures = 126, calls = 195, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 827 [2021-12-15 11:05:28,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:28,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:28,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:28,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:28,973 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 11:05:28,981 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 11:05:28,987 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 11:05:28,987 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 11:05:29,002 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 11:05:29,021 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 11:05:29,025 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 11:05:29,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:29,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:29,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:29,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:29,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:28" (1/1) ... [2021-12-15 11:05:29,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:29,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:29,115 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 11:05:29,129 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 11:05:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2021-12-15 11:05:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2021-12-15 11:05:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:05:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:05:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:05:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:05:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:05:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:05:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:05:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:05:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:05:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:05:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:05:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:05:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:29,311 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:29,312 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:29,920 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:29,939 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:29,940 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:29,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:29 BoogieIcfgContainer [2021-12-15 11:05:29,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:29,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:29,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:29,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:29,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:28" (1/3) ... [2021-12-15 11:05:29,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c7d6fe 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 11:05:29,945 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 11:05:29,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c7d6fe 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 11:05:29,946 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 11:05:29,947 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2021-12-15 11:05:29,950 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:29,963 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:29,997 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:30,028 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 11:05:30,029 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 313 states, 246 states have (on average 1.5731707317073171) internal successors, (387), 249 states have internal predecessors, (387), 47 states have call successors, (47), 18 states have call predecessors, (47), 18 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2021-12-15 11:05:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-15 11:05:30,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:30,063 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] [2021-12-15 11:05:30,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__KeysErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:30,068 INFO L85 PathProgramCache]: Analyzing trace with hash -816330075, now seen corresponding path program 1 times [2021-12-15 11:05:30,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:05:30,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008285326] [2021-12-15 11:05:30,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:30,079 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:05:30,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:05:30,082 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 11:05:30,083 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 11:05:30,169 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 11:05:30,368 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 11:05:30,369 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 11:05:30,373 INFO L158 Benchmark]: Toolchain (without parser) took 2242.35ms. Allocated memory was 60.8MB in the beginning and 113.2MB in the end (delta: 52.4MB). Free memory was 37.0MB in the beginning and 79.8MB in the end (delta: -42.8MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-15 11:05:30,373 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:30,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.11ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.8MB in the beginning and 44.3MB in the end (delta: -7.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:30,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.46ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 39.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:30,375 INFO L158 Benchmark]: Boogie Preprocessor took 68.03ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 58.9MB in the end (delta: -19.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-15 11:05:30,375 INFO L158 Benchmark]: RCFGBuilder took 910.15ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 36.4MB in the end (delta: 22.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-12-15 11:05:30,375 INFO L158 Benchmark]: TraceAbstraction took 429.01ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 35.9MB in the beginning and 79.8MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:30,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.11ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 36.8MB in the beginning and 44.3MB in the end (delta: -7.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.46ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 39.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.03ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 58.9MB in the end (delta: -19.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 910.15ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 36.4MB in the end (delta: 22.1MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 429.01ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 35.9MB in the beginning and 79.8MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:05:30,417 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable