./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product09.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_product09.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 3b43506942a12950209750f07d771d1d388e9661c8c19f0364d898e10e246352 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:09,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:09,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:09,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:09,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:09,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:09,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:09,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:09,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:09,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:09,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:09,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:09,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:09,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:09,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:09,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:09,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:09,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:09,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:09,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:09,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:09,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:09,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:09,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:09,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:09,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:09,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:09,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:09,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:09,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:09,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:09,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:09,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:09,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:09,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:09,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:09,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:09,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:09,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:09,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:09,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:09,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:05:09,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:09,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:09,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:09,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:09,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:09,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:09,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:09,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:09,935 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:09,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:09,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:09,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:09,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:05:09,937 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:09,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:09,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:09,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:09,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43506942a12950209750f07d771d1d388e9661c8c19f0364d898e10e246352 [2021-12-15 11:05:10,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:10,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:10,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:10,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:10,157 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:10,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2021-12-15 11:05:10,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc237785b/5c15d8518f9942ce9e463884e1c39efb/FLAG94dcc7f1f [2021-12-15 11:05:10,676 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:10,676 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2021-12-15 11:05:10,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc237785b/5c15d8518f9942ce9e463884e1c39efb/FLAG94dcc7f1f [2021-12-15 11:05:10,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc237785b/5c15d8518f9942ce9e463884e1c39efb [2021-12-15 11:05:10,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:10,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:10,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:10,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:10,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:10,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:10" (1/1) ... [2021-12-15 11:05:10,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2953423e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:10, skipping insertion in model container [2021-12-15 11:05:10,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:10" (1/1) ... [2021-12-15 11:05:10,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:11,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:11,421 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_product09.cil.c[57372,57385] [2021-12-15 11:05:11,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:11,435 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:11,504 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_product09.cil.c[57372,57385] [2021-12-15 11:05:11,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:11,525 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:11,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11 WrapperNode [2021-12-15 11:05:11,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:11,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:11,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:11,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:11,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,593 INFO L137 Inliner]: procedures = 110, calls = 144, calls flagged for inlining = 38, calls inlined = 33, statements flattened = 658 [2021-12-15 11:05:11,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:11,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:11,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:11,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:11,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:11,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:11,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:11,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:11,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (1/1) ... [2021-12-15 11:05:11,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:11,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:11,681 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 11:05:11,715 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 11:05:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Base [2021-12-15 11:05:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Base [2021-12-15 11:05:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:05:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:11,906 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:11,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:12,239 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:12,257 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:12,257 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:12,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:12 BoogieIcfgContainer [2021-12-15 11:05:12,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:12,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:12,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:12,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:12,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:10" (1/3) ... [2021-12-15 11:05:12,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcafb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:12, skipping insertion in model container [2021-12-15 11:05:12,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:11" (2/3) ... [2021-12-15 11:05:12,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcafb48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:12, skipping insertion in model container [2021-12-15 11:05:12,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:12" (3/3) ... [2021-12-15 11:05:12,264 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product09.cil.c [2021-12-15 11:05:12,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:12,267 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:12,307 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:12,312 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 11:05:12,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 169 states have (on average 1.5621301775147929) internal successors, (264), 172 states have internal predecessors, (264), 26 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2021-12-15 11:05:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-15 11:05:12,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:12,336 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] [2021-12-15 11:05:12,336 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__BaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__BaseErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:12,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1774813752, now seen corresponding path program 1 times [2021-12-15 11:05:12,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:05:12,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335996892] [2021-12-15 11:05:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:12,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:05:12,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:05:12,396 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 11:05:12,400 INFO L158 Benchmark]: Toolchain (without parser) took 1432.93ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 64.5MB in the beginning and 53.6MB in the end (delta: 10.9MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2021-12-15 11:05:12,401 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:12,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.28ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 50.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 11:05:12,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.31ms. Allocated memory is still 96.5MB. Free memory was 50.4MB in the beginning and 46.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:12,403 INFO L158 Benchmark]: Boogie Preprocessor took 59.98ms. Allocated memory is still 96.5MB. Free memory was 46.2MB in the beginning and 43.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:12,404 INFO L158 Benchmark]: RCFGBuilder took 603.74ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 42.8MB in the beginning and 65.5MB in the end (delta: -22.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-15 11:05:12,407 INFO L158 Benchmark]: TraceAbstraction took 139.41ms. Allocated memory is still 121.6MB. Free memory was 64.8MB in the beginning and 53.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:05:12,412 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 96.5MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.28ms. Allocated memory is still 96.5MB. Free memory was 64.3MB in the beginning and 50.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.31ms. Allocated memory is still 96.5MB. Free memory was 50.4MB in the beginning and 46.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.98ms. Allocated memory is still 96.5MB. Free memory was 46.2MB in the beginning and 43.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.74ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 42.8MB in the beginning and 65.5MB in the end (delta: -22.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 139.41ms. Allocated memory is still 121.6MB. Free memory was 64.8MB in the beginning and 53.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:05:12,444 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_product09.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 3b43506942a12950209750f07d771d1d388e9661c8c19f0364d898e10e246352 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:05:14,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:05:14,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:05:14,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:05:14,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:05:14,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:05:14,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:05:14,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:05:14,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:05:14,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:05:14,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:05:14,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:05:14,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:05:14,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:05:14,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:05:14,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:05:14,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:05:14,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:05:14,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:05:14,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:05:14,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:05:14,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:05:14,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:05:14,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:05:14,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:05:14,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:05:14,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:05:14,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:05:14,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:05:14,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:05:14,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:05:14,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:05:14,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:05:14,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:05:14,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:05:14,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:05:14,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:05:14,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:05:14,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:05:14,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:05:14,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:05:14,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:05:14,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:05:14,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:05:14,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:05:14,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:05:14,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:05:14,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:05:14,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:05:14,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:05:14,464 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:05:14,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:05:14,465 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:05:14,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:05:14,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:05:14,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:05:14,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:05:14,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:05:14,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:05:14,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:05:14,466 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:05:14,466 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:05:14,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:05:14,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:05:14,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:05:14,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:05:14,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:05:14,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:05:14,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:14,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:05:14,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:05:14,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:05:14,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:05:14,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:05:14,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:05:14,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:05:14,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:05:14,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:05:14,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:05:14,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b43506942a12950209750f07d771d1d388e9661c8c19f0364d898e10e246352 [2021-12-15 11:05:14,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:05:14,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:05:14,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:05:14,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:05:14,775 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:05:14,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2021-12-15 11:05:14,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9710a5235/5eacc1910cca4c968ca4b99b29bd82eb/FLAGa51fd8812 [2021-12-15 11:05:15,320 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:05:15,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2021-12-15 11:05:15,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9710a5235/5eacc1910cca4c968ca4b99b29bd82eb/FLAGa51fd8812 [2021-12-15 11:05:15,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9710a5235/5eacc1910cca4c968ca4b99b29bd82eb [2021-12-15 11:05:15,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:05:15,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:05:15,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:15,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:05:15,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:05:15,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:15" (1/1) ... [2021-12-15 11:05:15,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484df429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:15, skipping insertion in model container [2021-12-15 11:05:15,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:05:15" (1/1) ... [2021-12-15 11:05:15,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:05:15,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:16,342 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_product09.cil.c[57372,57385] [2021-12-15 11:05:16,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:16,371 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:05:16,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:05:16,481 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_product09.cil.c[57372,57385] [2021-12-15 11:05:16,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:16,494 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:05:16,585 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_product09.cil.c[57372,57385] [2021-12-15 11:05:16,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:05:16,620 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:05:16,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16 WrapperNode [2021-12-15 11:05:16,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:05:16,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:16,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:05:16,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:05:16,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,725 INFO L137 Inliner]: procedures = 112, calls = 144, calls flagged for inlining = 38, calls inlined = 33, statements flattened = 622 [2021-12-15 11:05:16,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:05:16,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:05:16,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:05:16,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:05:16,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:05:16,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:05:16,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:05:16,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:05:16,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (1/1) ... [2021-12-15 11:05:16,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:05:16,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:05:16,841 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 11:05:16,854 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 11:05:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Base [2021-12-15 11:05:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Base [2021-12-15 11:05:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:05:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:05:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:05:16,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:05:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:05:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:05:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:05:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:05:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:05:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:05:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:05:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:05:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:05:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:05:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:05:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:05:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:05:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:05:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:05:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:05:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:05:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:05:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:05:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:05:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:05:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:05:16,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:05:17,078 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:05:17,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:05:17,534 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:05:17,539 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:05:17,539 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:05:17,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:17 BoogieIcfgContainer [2021-12-15 11:05:17,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:05:17,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:05:17,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:05:17,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:05:17,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:05:15" (1/3) ... [2021-12-15 11:05:17,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db1c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:17, skipping insertion in model container [2021-12-15 11:05:17,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:05:16" (2/3) ... [2021-12-15 11:05:17,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25db1c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:05:17, skipping insertion in model container [2021-12-15 11:05:17,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:05:17" (3/3) ... [2021-12-15 11:05:17,546 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product09.cil.c [2021-12-15 11:05:17,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:05:17,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:05:17,579 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:05:17,584 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 11:05:17,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:05:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 169 states have (on average 1.5621301775147929) internal successors, (264), 172 states have internal predecessors, (264), 26 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2021-12-15 11:05:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-12-15 11:05:17,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:05:17,606 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] [2021-12-15 11:05:17,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__BaseErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__BaseErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:05:17,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:05:17,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1774813752, now seen corresponding path program 1 times [2021-12-15 11:05:17,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:05:17,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4040371] [2021-12-15 11:05:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:05:17,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:05:17,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:05:17,623 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 11:05:17,631 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 11:05:17,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 11:05:17,924 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 11:05:17,924 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 11:05:17,928 INFO L158 Benchmark]: Toolchain (without parser) took 2102.35ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 45.4MB in the beginning and 66.3MB in the end (delta: -20.8MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-12-15 11:05:17,928 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:05:17,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.20ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 44.7MB in the beginning and 56.4MB in the end (delta: -11.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:17,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.65ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 52.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:05:17,929 INFO L158 Benchmark]: Boogie Preprocessor took 37.01ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 48.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:05:17,929 INFO L158 Benchmark]: RCFGBuilder took 766.06ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 38.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-12-15 11:05:17,930 INFO L158 Benchmark]: TraceAbstraction took 384.38ms. Allocated memory is still 92.3MB. Free memory was 38.2MB in the beginning and 66.3MB in the end (delta: -28.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-12-15 11:05:17,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.20ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 44.7MB in the beginning and 56.4MB in the end (delta: -11.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.65ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 52.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.01ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 48.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.06ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 38.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 384.38ms. Allocated memory is still 92.3MB. Free memory was 38.2MB in the beginning and 66.3MB in the end (delta: -28.1MB). Peak memory consumption was 13.9MB. 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 11:05:17,966 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