./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product36.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 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:21,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:21,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:21,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:21,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:21,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:21,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:21,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:21,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:21,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:21,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:21,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:21,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:21,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:21,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:21,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:21,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:21,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:21,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:21,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:21,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:21,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:21,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:21,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:21,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:21,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:21,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:21,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:21,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:21,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:21,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:21,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:21,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:21,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:21,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:21,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:21,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:21,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:21,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:21,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:21,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:21,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:21,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:21,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:21,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:21,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:21,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:21,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:21,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:21,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:21,158 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:21,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:21,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:21,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:21,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:21,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:21,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:21,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:21,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:21,160 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:21,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:21,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:21,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:21,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:21,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:21,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:21,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:21,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:21,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:21,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:21,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:21,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:21,162 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:21,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:21,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:21,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:21,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 [2021-12-15 11:05:21,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:21,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:21,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:21,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:21,382 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:21,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2021-12-15 11:05:21,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a05069de/006ab9e13a224224ac8ab8efe96c6d38/FLAGe9cbe66f9 [2021-12-15 11:05:21,813 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:21,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2021-12-15 11:05:21,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a05069de/006ab9e13a224224ac8ab8efe96c6d38/FLAGe9cbe66f9 [2021-12-15 11:05:22,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a05069de/006ab9e13a224224ac8ab8efe96c6d38 [2021-12-15 11:05:22,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:22,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:22,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:22,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:22,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:22,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c9062a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22, skipping insertion in model container [2021-12-15 11:05:22,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:22,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:22,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2021-12-15 11:05:22,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:22,602 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:22,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2021-12-15 11:05:22,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:22,720 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:22,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22 WrapperNode [2021-12-15 11:05:22,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:22,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:22,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:22,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:22,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,801 INFO L137 Inliner]: procedures = 113, calls = 154, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 695 [2021-12-15 11:05:22,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:22,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:22,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:22,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:22,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:22,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:22,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:22,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:22,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (1/1) ... [2021-12-15 11:05:22,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:22,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:22,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:05:22,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:05:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:23,080 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:23,082 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:23,513 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:23,521 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:23,521 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:23,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:23 BoogieIcfgContainer [2021-12-15 11:05:23,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:23,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:23,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:23,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:23,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:22" (1/3) ... [2021-12-15 11:05:23,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139eb743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:23, skipping insertion in model container [2021-12-15 11:05:23,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:22" (2/3) ... [2021-12-15 11:05:23,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@139eb743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:23, skipping insertion in model container [2021-12-15 11:05:23,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:23" (3/3) ... [2021-12-15 11:05:23,531 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2021-12-15 11:05:23,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:23,535 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:23,581 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:23,587 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:05:23,587 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 185 states have (on average 1.5513513513513513) internal successors, (287), 188 states have internal predecessors, (287), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-15 11:05:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-15 11:05:23,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:23,625 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:05:23,625 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:23,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:23,629 INFO L85 PathProgramCache]: Analyzing trace with hash 857599230, now seen corresponding path program 1 times [2021-12-15 11:05:23,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:23,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155461059] [2021-12-15 11:05:23,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:23,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:23,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:23,684 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:05:23,688 INFO L158 Benchmark]: Toolchain (without parser) took 1490.39ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 69.0MB in the beginning and 63.5MB in the end (delta: 5.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:23,688 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:23,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.39ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 86.6MB in the end (delta: -17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 11:05:23,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.87ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 82.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:23,689 INFO L158 Benchmark]: Boogie Preprocessor took 65.20ms. Allocated memory is still 136.3MB. Free memory was 82.0MB in the beginning and 79.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:23,690 INFO L158 Benchmark]: RCFGBuilder took 652.81ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 75.2MB in the end (delta: 3.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:23,690 INFO L158 Benchmark]: TraceAbstraction took 160.34ms. Allocated memory is still 136.3MB. Free memory was 74.8MB in the beginning and 63.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:23,692 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 100.7MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.39ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 86.6MB in the end (delta: -17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.87ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 82.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.20ms. Allocated memory is still 136.3MB. Free memory was 82.0MB in the beginning and 79.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.81ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 75.2MB in the end (delta: 3.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * TraceAbstraction took 160.34ms. Allocated memory is still 136.3MB. Free memory was 74.8MB in the beginning and 63.5MB in the end (delta: 11.3MB). 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 11:05:23,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product36.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 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:25,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:25,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:25,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:25,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:25,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:25,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:25,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:25,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:25,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:25,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:25,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:25,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:25,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:25,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:25,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:25,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:25,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:25,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:25,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:25,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:25,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:25,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:25,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:25,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:25,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:25,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:25,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:25,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:25,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:25,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:25,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:25,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:25,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:25,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:25,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:25,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:25,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:25,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:25,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:25,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:25,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:25,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:25,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:25,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:25,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:25,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:25,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:25,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:25,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:25,522 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:25,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:25,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:25,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:25,524 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:25,525 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:25,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:25,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:25,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:25,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:25,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:25,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:25,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:25,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:25,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:25,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:25,526 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:25,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:25,527 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:25,527 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:25,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:25,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:25,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:25,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 331c48a04a8caddf27498f6f02cdac644ba512a5bbe373bec7a9be0d5f3b8263 [2021-12-15 11:05:25,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:25,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:25,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:25,822 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:25,822 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:25,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2021-12-15 11:05:25,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8d4164b/2bb359e1a0d24ecfb2174b6a88a4edd4/FLAG7e62b9d6b [2021-12-15 11:05:26,318 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:26,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2021-12-15 11:05:26,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8d4164b/2bb359e1a0d24ecfb2174b6a88a4edd4/FLAG7e62b9d6b [2021-12-15 11:05:26,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a8d4164b/2bb359e1a0d24ecfb2174b6a88a4edd4 [2021-12-15 11:05:26,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:26,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:26,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:26,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:26,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:26,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8fb5b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:26, skipping insertion in model container [2021-12-15 11:05:26,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:26" (1/1) ... [2021-12-15 11:05:26,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:26,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:26,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2021-12-15 11:05:26,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:26,832 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:26,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:26,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2021-12-15 11:05:26,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:26,925 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:26,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c[12529,12542] [2021-12-15 11:05:27,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:27,030 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:27,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27 WrapperNode [2021-12-15 11:05:27,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:27,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:27,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:27,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:27,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,094 INFO L137 Inliner]: procedures = 115, calls = 154, calls flagged for inlining = 41, calls inlined = 36, statements flattened = 656 [2021-12-15 11:05:27,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:27,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:27,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:27,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:27,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:27,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:27,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:27,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:27,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (1/1) ... [2021-12-15 11:05:27,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:27,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:05:27,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:05:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2021-12-15 11:05:27,222 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:27,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:05:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:05:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:05:27,223 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:05:27,223 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:27,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:27,401 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:27,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:27,796 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:27,802 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:27,815 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:27,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:27 BoogieIcfgContainer [2021-12-15 11:05:27,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:27,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:27,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:27,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:27,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:26" (1/3) ... [2021-12-15 11:05:27,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e0cc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:27, skipping insertion in model container [2021-12-15 11:05:27,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:27" (2/3) ... [2021-12-15 11:05:27,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e0cc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:27, skipping insertion in model container [2021-12-15 11:05:27,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:27" (3/3) ... [2021-12-15 11:05:27,823 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2021-12-15 11:05:27,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:27,827 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:27,866 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:27,872 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:05:27,872 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:27,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 232 states, 185 states have (on average 1.5513513513513513) internal successors, (287), 188 states have internal predecessors, (287), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2021-12-15 11:05:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-15 11:05:27,902 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:27,903 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:05:27,903 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__AutoResponderErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:27,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:27,907 INFO L85 PathProgramCache]: Analyzing trace with hash 857599230, now seen corresponding path program 1 times [2021-12-15 11:05:27,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:05:27,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1165299306] [2021-12-15 11:05:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:27,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:05:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:05:27,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:05:27,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:05:27,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:05:28,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:05:28,198 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:05:28,202 INFO L158 Benchmark]: Toolchain (without parser) took 1847.27ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 41.4MB in the end (delta: 2.0MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-12-15 11:05:28,203 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 47.6MB in the beginning and 47.6MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:28,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.30ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 45.1MB in the end (delta: -1.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:28,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.42ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 40.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:28,205 INFO L158 Benchmark]: Boogie Preprocessor took 60.90ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 60.4MB in the end (delta: -19.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-15 11:05:28,209 INFO L158 Benchmark]: RCFGBuilder took 660.84ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 54.6MB in the end (delta: 5.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2021-12-15 11:05:28,210 INFO L158 Benchmark]: TraceAbstraction took 382.45ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 41.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:05:28,214 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 65.0MB. Free memory was 47.6MB in the beginning and 47.6MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.30ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.2MB in the beginning and 45.1MB in the end (delta: -1.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.42ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 40.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.90ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 60.4MB in the end (delta: -19.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 660.84ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 54.6MB in the end (delta: 5.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 382.45ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 41.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:05:28,239 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