./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product20.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_spec8_product20.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 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:10,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:10,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:10,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:10,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:10,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:10,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:10,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:10,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:10,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:10,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:10,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:10,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:10,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:10,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:10,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:10,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:10,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:10,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:10,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:10,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:10,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:10,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:10,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:10,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:10,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:10,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:10,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:10,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:10,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:10,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:10,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:10,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:10,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:10,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:10,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:10,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:10,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:10,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:10,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:10,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:10,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:07:10,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:10,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:10,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:10,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:10,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:10,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:10,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:10,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:10,850 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:10,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:10,851 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:10,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:07:10,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:10,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:10,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:10,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:10,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:10,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:10,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:10,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:10,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:10,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:10,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:10,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:10,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:10,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:10,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:10,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:10,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:07:10,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:07:10,868 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:10,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:10,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:10,869 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:10,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 [2021-12-15 11:07:11,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:11,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:11,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:11,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:11,262 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:11,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-12-15 11:07:11,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d675bd8e/420b795b220d4a519b90fdcab5d933c4/FLAG794a563a4 [2021-12-15 11:07:11,810 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:11,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-12-15 11:07:11,838 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d675bd8e/420b795b220d4a519b90fdcab5d933c4/FLAG794a563a4 [2021-12-15 11:07:12,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d675bd8e/420b795b220d4a519b90fdcab5d933c4 [2021-12-15 11:07:12,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:12,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:12,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:12,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:12,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:12,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba48799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12, skipping insertion in model container [2021-12-15 11:07:12,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:12,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:12,608 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_spec8_product20.cil.c[19452,19465] [2021-12-15 11:07:12,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:12,774 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:12,816 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_spec8_product20.cil.c[19452,19465] [2021-12-15 11:07:12,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:12,879 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:12,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12 WrapperNode [2021-12-15 11:07:12,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:12,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:12,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:12,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:12,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,952 INFO L137 Inliner]: procedures = 129, calls = 220, calls flagged for inlining = 56, calls inlined = 49, statements flattened = 967 [2021-12-15 11:07:12,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:12,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:12,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:12,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:12,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:12,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:12,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:12,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:12,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (1/1) ... [2021-12-15 11:07:12,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:13,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:13,056 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 11:07:13,075 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 11:07:13,086 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:07:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:07:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:07:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:07:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:07:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:07:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:07:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:07:13,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:07:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:07:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:07:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:07:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:07:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:07:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:07:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:07:13,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:07:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:07:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:07:13,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:13,247 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:13,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:13,759 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:13,766 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:13,766 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:13,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:13 BoogieIcfgContainer [2021-12-15 11:07:13,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:13,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:13,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:13,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:12" (1/3) ... [2021-12-15 11:07:13,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fe9f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:13, skipping insertion in model container [2021-12-15 11:07:13,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:12" (2/3) ... [2021-12-15 11:07:13,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fe9f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:13, skipping insertion in model container [2021-12-15 11:07:13,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:13" (3/3) ... [2021-12-15 11:07:13,776 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2021-12-15 11:07:13,780 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:13,780 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:13,824 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:13,829 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 11:07:13,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 365 states, 287 states have (on average 1.578397212543554) internal successors, (453), 292 states have internal predecessors, (453), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-15 11:07:13,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-15 11:07:13,860 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:13,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:07:13,861 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash 288794369, now seen corresponding path program 1 times [2021-12-15 11:07:13,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:07:13,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944204124] [2021-12-15 11:07:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:13,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:07:13,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:07:13,916 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 11:07:13,920 INFO L158 Benchmark]: Toolchain (without parser) took 1565.97ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 102.5MB in the beginning and 52.2MB in the end (delta: 50.3MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:13,920 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 88.5MB in the beginning and 88.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:13,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.37ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 102.5MB in the beginning and 125.6MB in the end (delta: -23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:13,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.48ms. Allocated memory is still 178.3MB. Free memory was 125.6MB in the beginning and 119.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:13,921 INFO L158 Benchmark]: Boogie Preprocessor took 36.47ms. Allocated memory is still 178.3MB. Free memory was 119.3MB in the beginning and 115.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:13,922 INFO L158 Benchmark]: RCFGBuilder took 777.81ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 64.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:13,922 INFO L158 Benchmark]: TraceAbstraction took 148.95ms. Allocated memory is still 178.3MB. Free memory was 64.8MB in the beginning and 52.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:13,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 127.9MB. Free memory was 88.5MB in the beginning and 88.4MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.37ms. Allocated memory was 127.9MB in the beginning and 178.3MB in the end (delta: 50.3MB). Free memory was 102.5MB in the beginning and 125.6MB in the end (delta: -23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.48ms. Allocated memory is still 178.3MB. Free memory was 125.6MB in the beginning and 119.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.47ms. Allocated memory is still 178.3MB. Free memory was 119.3MB in the beginning and 115.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 777.81ms. Allocated memory is still 178.3MB. Free memory was 115.1MB in the beginning and 64.8MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 148.95ms. Allocated memory is still 178.3MB. Free memory was 64.8MB in the beginning and 52.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:07:13,986 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_spec8_product20.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 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:15,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:15,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:16,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:16,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:16,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:16,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:16,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:16,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:16,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:16,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:16,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:16,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:16,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:16,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:16,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:16,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:16,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:16,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:16,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:16,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:16,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:16,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:16,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:16,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:16,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:16,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:16,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:16,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:16,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:16,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:16,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:16,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:16,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:16,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:16,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:16,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:16,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:16,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:16,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:16,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:16,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:07:16,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:16,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:16,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:16,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:16,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:16,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:16,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:16,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:16,086 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:16,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:16,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:16,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:16,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:16,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:16,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:16,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:16,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:16,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:07:16,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:07:16,090 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:16,090 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:16,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:16,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:16,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:07:16,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14180d3cb690799ed57b4096de70e545e9154e30692708de4df58b96eb76a2f0 [2021-12-15 11:07:16,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:16,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:16,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:16,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:16,410 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:16,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-12-15 11:07:16,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b7c50e93/ce1aa719aa964177b0faf7ea8a05c356/FLAGb6ec43a6f [2021-12-15 11:07:17,125 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:17,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product20.cil.c [2021-12-15 11:07:17,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b7c50e93/ce1aa719aa964177b0faf7ea8a05c356/FLAGb6ec43a6f [2021-12-15 11:07:17,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b7c50e93/ce1aa719aa964177b0faf7ea8a05c356 [2021-12-15 11:07:17,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:17,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:17,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:17,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:17,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:17,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:17,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc68284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17, skipping insertion in model container [2021-12-15 11:07:17,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:17,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:17,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:17,633 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_spec8_product20.cil.c[19452,19465] [2021-12-15 11:07:17,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:17,817 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:07:17,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:17,874 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_spec8_product20.cil.c[19452,19465] [2021-12-15 11:07:17,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:17,906 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:17,930 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_spec8_product20.cil.c[19452,19465] [2021-12-15 11:07:17,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:17,988 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:17,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17 WrapperNode [2021-12-15 11:07:17,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:17,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:17,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:17,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:17,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,051 INFO L137 Inliner]: procedures = 131, calls = 220, calls flagged for inlining = 56, calls inlined = 49, statements flattened = 920 [2021-12-15 11:07:18,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:18,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:18,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:18,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:18,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:18,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:18,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:18,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:18,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (1/1) ... [2021-12-15 11:07:18,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:18,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:18,138 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 11:07:18,154 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 11:07:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:07:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:07:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:07:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:07:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:07:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:07:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:07:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:07:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:07:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:07:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:07:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:07:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:18,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:07:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:07:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:07:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:07:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:07:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:07:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:07:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:18,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:18,314 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:18,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:18,879 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:18,892 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:18,892 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:18,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:18 BoogieIcfgContainer [2021-12-15 11:07:18,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:18,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:18,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:18,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:18,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:17" (1/3) ... [2021-12-15 11:07:18,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11702c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:18, skipping insertion in model container [2021-12-15 11:07:18,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:17" (2/3) ... [2021-12-15 11:07:18,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11702c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:18, skipping insertion in model container [2021-12-15 11:07:18,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:18" (3/3) ... [2021-12-15 11:07:18,901 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2021-12-15 11:07:18,904 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:18,905 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:18,940 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:18,945 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 11:07:18,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 365 states, 287 states have (on average 1.578397212543554) internal successors, (453), 292 states have internal predecessors, (453), 54 states have call successors, (54), 22 states have call predecessors, (54), 22 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2021-12-15 11:07:18,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-15 11:07:18,977 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:18,978 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:07:18,978 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:18,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:18,982 INFO L85 PathProgramCache]: Analyzing trace with hash 288794369, now seen corresponding path program 1 times [2021-12-15 11:07:18,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:07:18,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307044128] [2021-12-15 11:07:18,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:18,992 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:07:18,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:07:18,994 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 11:07:19,003 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 11:07:19,096 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 11:07:19,293 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 11:07:19,295 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 11:07:19,298 INFO L158 Benchmark]: Toolchain (without parser) took 1993.13ms. Allocated memory was 58.7MB in the beginning and 86.0MB in the end (delta: 27.3MB). Free memory was 35.2MB in the beginning and 41.4MB in the end (delta: -6.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:19,299 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:19,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.55ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 45.6MB in the end (delta: -10.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-12-15 11:07:19,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.21ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 40.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:19,300 INFO L158 Benchmark]: Boogie Preprocessor took 37.56ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 35.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:19,300 INFO L158 Benchmark]: RCFGBuilder took 804.49ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 35.5MB in the beginning and 55.5MB in the end (delta: -20.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-12-15 11:07:19,301 INFO L158 Benchmark]: TraceAbstraction took 400.91ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 41.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:19,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.55ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 45.6MB in the end (delta: -10.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.21ms. Allocated memory is still 71.3MB. Free memory was 45.6MB in the beginning and 40.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.56ms. Allocated memory is still 71.3MB. Free memory was 40.1MB in the beginning and 35.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 804.49ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 35.5MB in the beginning and 55.5MB in the end (delta: -20.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 400.91ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 41.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:07:19,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable