./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec9_product22.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_spec9_product22.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 0fc665e3899dd29ca5bf696fac98a46e2d1733c214ee43bc57c8fd7a101d2539 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:24,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:24,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:24,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:24,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:24,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:24,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:24,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:24,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:24,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:24,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:24,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:24,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:24,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:24,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:24,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:24,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:24,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:24,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:24,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:24,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:24,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:24,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:24,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:24,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:24,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:24,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:24,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:24,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:24,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:24,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:24,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:24,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:24,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:24,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:24,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:24,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:24,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:24,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:24,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:24,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:24,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:07:24,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:24,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:24,951 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:24,951 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:24,952 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:24,952 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:24,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:24,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:24,953 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:24,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:24,954 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:24,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:07:24,954 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:24,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:24,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:24,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:24,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:24,955 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:24,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:24,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:24,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:24,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:24,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:24,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:24,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:24,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:24,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:24,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:24,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:07:24,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:07:24,959 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:24,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:24,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:24,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:24,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fc665e3899dd29ca5bf696fac98a46e2d1733c214ee43bc57c8fd7a101d2539 [2021-12-15 11:07:25,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:25,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:25,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:25,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:25,185 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:25,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product22.cil.c [2021-12-15 11:07:25,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66901691d/787b20c9e6a34af1b2b3e6e53003460e/FLAG3611c0aee [2021-12-15 11:07:25,725 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:25,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product22.cil.c [2021-12-15 11:07:25,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66901691d/787b20c9e6a34af1b2b3e6e53003460e/FLAG3611c0aee [2021-12-15 11:07:25,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66901691d/787b20c9e6a34af1b2b3e6e53003460e [2021-12-15 11:07:25,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:25,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:25,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:25,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:25,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:25,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:25" (1/1) ... [2021-12-15 11:07:25,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cde11b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:25, skipping insertion in model container [2021-12-15 11:07:25,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:25" (1/1) ... [2021-12-15 11:07:25,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:25,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:26,312 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_spec9_product22.cil.c[51984,51997] [2021-12-15 11:07:26,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:26,346 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:26,425 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_spec9_product22.cil.c[51984,51997] [2021-12-15 11:07:26,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:26,460 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:26,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26 WrapperNode [2021-12-15 11:07:26,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:26,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:26,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:26,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:26,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,541 INFO L137 Inliner]: procedures = 129, calls = 211, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 1031 [2021-12-15 11:07:26,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:26,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:26,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:26,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:26,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:26,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:26,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:26,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:26,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (1/1) ... [2021-12-15 11:07:26,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:26,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:26,661 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 11:07:26,698 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 11:07:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:07:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:07:26,730 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:07:26,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:07:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:26,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:07:26,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:07:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:26,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:26,734 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:07:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:07:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:26,748 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:26,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:26,749 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:26,749 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:07:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:07:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:26,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:07:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:26,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:26,994 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:26,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:27,535 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:27,547 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:27,547 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:27,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:27 BoogieIcfgContainer [2021-12-15 11:07:27,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:27,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:27,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:27,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:27,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:25" (1/3) ... [2021-12-15 11:07:27,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1f330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:27, skipping insertion in model container [2021-12-15 11:07:27,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:26" (2/3) ... [2021-12-15 11:07:27,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c1f330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:27, skipping insertion in model container [2021-12-15 11:07:27,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:27" (3/3) ... [2021-12-15 11:07:27,556 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product22.cil.c [2021-12-15 11:07:27,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:27,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:27,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:27,622 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 11:07:27,622 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 322 states, 252 states have (on average 1.5277777777777777) internal successors, (385), 256 states have internal predecessors, (385), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-12-15 11:07:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-15 11:07:27,649 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:27,649 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:07:27,650 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:27,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:27,653 INFO L85 PathProgramCache]: Analyzing trace with hash -113168014, now seen corresponding path program 1 times [2021-12-15 11:07:27,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:07:27,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25752645] [2021-12-15 11:07:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:27,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:07:27,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:07:27,704 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 11:07:27,707 INFO L158 Benchmark]: Toolchain (without parser) took 1940.59ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 69.1MB in the beginning and 98.8MB in the end (delta: -29.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:27,708 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:27,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.04ms. Allocated memory is still 104.9MB. Free memory was 69.1MB in the beginning and 53.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 11:07:27,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.17ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 47.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:27,709 INFO L158 Benchmark]: Boogie Preprocessor took 50.82ms. Allocated memory is still 104.9MB. Free memory was 47.7MB in the beginning and 43.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:27,709 INFO L158 Benchmark]: RCFGBuilder took 955.09ms. Allocated memory is still 104.9MB. Free memory was 43.5MB in the beginning and 35.8MB in the end (delta: 7.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-12-15 11:07:27,710 INFO L158 Benchmark]: TraceAbstraction took 156.60ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 35.2MB in the beginning and 98.8MB in the end (delta: -63.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:27,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.04ms. Allocated memory is still 104.9MB. Free memory was 69.1MB in the beginning and 53.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.17ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 47.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.82ms. Allocated memory is still 104.9MB. Free memory was 47.7MB in the beginning and 43.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 955.09ms. Allocated memory is still 104.9MB. Free memory was 43.5MB in the beginning and 35.8MB in the end (delta: 7.7MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 156.60ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 35.2MB in the beginning and 98.8MB in the end (delta: -63.6MB). 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 11:07:27,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec9_product22.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 0fc665e3899dd29ca5bf696fac98a46e2d1733c214ee43bc57c8fd7a101d2539 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:29,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:29,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:29,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:29,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:29,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:29,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:29,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:29,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:29,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:29,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:29,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:29,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:29,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:29,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:29,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:29,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:29,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:29,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:29,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:29,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:29,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:29,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:29,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:29,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:29,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:29,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:29,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:29,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:29,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:29,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:29,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:29,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:29,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:29,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:29,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:29,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:29,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:29,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:29,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:29,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:29,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:07:29,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:29,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:29,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:29,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:29,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:29,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:29,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:29,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:29,798 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:29,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:29,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:07:29,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:07:29,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:07:29,800 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:29,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:29,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:29,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:29,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:29,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:29,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:29,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:29,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:29,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:29,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:29,801 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:07:29,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:07:29,802 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:29,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:29,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:29,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:29,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:07:29,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fc665e3899dd29ca5bf696fac98a46e2d1733c214ee43bc57c8fd7a101d2539 [2021-12-15 11:07:30,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:30,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:30,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:30,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:30,093 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:30,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product22.cil.c [2021-12-15 11:07:30,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41aab6e44/9627567dfbc24db3abad0c792be6716c/FLAGb1c9c6d99 [2021-12-15 11:07:30,595 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:30,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product22.cil.c [2021-12-15 11:07:30,621 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41aab6e44/9627567dfbc24db3abad0c792be6716c/FLAGb1c9c6d99 [2021-12-15 11:07:30,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41aab6e44/9627567dfbc24db3abad0c792be6716c [2021-12-15 11:07:30,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:30,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:30,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:30,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:30,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:30,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:30" (1/1) ... [2021-12-15 11:07:30,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6711b123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:30, skipping insertion in model container [2021-12-15 11:07:30,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:30" (1/1) ... [2021-12-15 11:07:30,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:30,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:31,347 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_spec9_product22.cil.c[51984,51997] [2021-12-15 11:07:31,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:31,399 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:07:31,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:31,490 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_spec9_product22.cil.c[51984,51997] [2021-12-15 11:07:31,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:31,536 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:31,580 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_spec9_product22.cil.c[51984,51997] [2021-12-15 11:07:31,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:31,610 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:31,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31 WrapperNode [2021-12-15 11:07:31,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:31,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:31,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:31,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:31,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,653 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,699 INFO L137 Inliner]: procedures = 131, calls = 211, calls flagged for inlining = 60, calls inlined = 55, statements flattened = 980 [2021-12-15 11:07:31,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:31,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:31,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:31,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:31,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:31,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:31,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:31,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:31,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (1/1) ... [2021-12-15 11:07:31,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:31,822 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 11:07:31,839 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 11:07:31,857 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:31,861 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:31,861 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:07:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:07:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:07:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:07:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:07:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:32,068 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:32,069 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:32,638 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:32,645 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:32,646 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:32,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:32 BoogieIcfgContainer [2021-12-15 11:07:32,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:32,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:32,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:32,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:32,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:30" (1/3) ... [2021-12-15 11:07:32,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d288990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:32, skipping insertion in model container [2021-12-15 11:07:32,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:31" (2/3) ... [2021-12-15 11:07:32,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d288990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:32, skipping insertion in model container [2021-12-15 11:07:32,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:32" (3/3) ... [2021-12-15 11:07:32,655 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product22.cil.c [2021-12-15 11:07:32,660 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:32,660 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:32,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:32,712 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 11:07:32,712 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 322 states, 252 states have (on average 1.5277777777777777) internal successors, (385), 256 states have internal predecessors, (385), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-12-15 11:07:32,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-15 11:07:32,764 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:32,765 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:07:32,765 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoingErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:32,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash -113168014, now seen corresponding path program 1 times [2021-12-15 11:07:32,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:07:32,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824098426] [2021-12-15 11:07:32,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:32,785 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:07:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:07:32,812 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 11:07:32,818 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 11:07:32,924 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 11:07:33,122 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 11:07:33,122 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 11:07:33,126 INFO L158 Benchmark]: Toolchain (without parser) took 2233.95ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.4MB in the beginning and 47.7MB in the end (delta: -6.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-12-15 11:07:33,126 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:33,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.46ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.2MB in the beginning and 56.6MB in the end (delta: -15.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:33,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.29ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 50.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:33,127 INFO L158 Benchmark]: Boogie Preprocessor took 57.26ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 46.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:33,128 INFO L158 Benchmark]: RCFGBuilder took 887.75ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 61.7MB in the end (delta: -15.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:33,129 INFO L158 Benchmark]: TraceAbstraction took 475.07ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 47.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:33,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.46ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 41.2MB in the beginning and 56.6MB in the end (delta: -15.4MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.29ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 50.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.26ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 46.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 887.75ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 61.7MB in the end (delta: -15.1MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 475.07ms. Allocated memory is still 92.3MB. Free memory was 61.7MB in the beginning and 47.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:07:33,163 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