./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec9_productSimulator.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 a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:34,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:34,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:34,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:34,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:34,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:34,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:34,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:34,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:34,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:34,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:34,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:34,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:34,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:34,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:34,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:34,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:34,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:34,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:34,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:34,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:34,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:34,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:34,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:34,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:34,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:34,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:34,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:34,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:34,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:34,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:34,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:34,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:34,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:34,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:34,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:34,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:34,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:34,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:34,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:34,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:34,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:07:34,258 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:34,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:34,259 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:34,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:34,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:34,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:34,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:34,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:34,261 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:34,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:34,261 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:34,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:07:34,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:34,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:34,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:34,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:34,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:34,263 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:34,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:34,263 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:34,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:34,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:34,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:34,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:34,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:34,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:34,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:34,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:34,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:07:34,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:07:34,265 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:34,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:34,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:34,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:34,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 [2021-12-15 11:07:34,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:34,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:34,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:34,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:34,484 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:34,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-12-15 11:07:34,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68039124d/3a4db60db3314371adbe625bbd2c46eb/FLAG051cad1af [2021-12-15 11:07:34,997 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:34,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-12-15 11:07:35,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68039124d/3a4db60db3314371adbe625bbd2c46eb/FLAG051cad1af [2021-12-15 11:07:35,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68039124d/3a4db60db3314371adbe625bbd2c46eb [2021-12-15 11:07:35,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:35,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:35,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:35,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:35,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:35,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3b27a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35, skipping insertion in model container [2021-12-15 11:07:35,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:35,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:35,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-12-15 11:07:35,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:35,522 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:35,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-12-15 11:07:35,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:35,645 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:35,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35 WrapperNode [2021-12-15 11:07:35,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:35,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:35,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:35,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:35,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,718 INFO L137 Inliner]: procedures = 152, calls = 288, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1326 [2021-12-15 11:07:35,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:35,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:35,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:35,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:35,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:35,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:35,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:35,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:35,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (1/1) ... [2021-12-15 11:07:35,827 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:35,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:35,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:07:35,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:07:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:07:35,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:07:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2021-12-15 11:07:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2021-12-15 11:07:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2021-12-15 11:07:35,882 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2021-12-15 11:07:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:07:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:07:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:07:35,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:07:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:07:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:07:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:07:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:07:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2021-12-15 11:07:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2021-12-15 11:07:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2021-12-15 11:07:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2021-12-15 11:07:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:07:35,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:07:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2021-12-15 11:07:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2021-12-15 11:07:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2021-12-15 11:07:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2021-12-15 11:07:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:07:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:07:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:07:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:07:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2021-12-15 11:07:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2021-12-15 11:07:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:07:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2021-12-15 11:07:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2021-12-15 11:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:07:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:07:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:07:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:07:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2021-12-15 11:07:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2021-12-15 11:07:35,905 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2021-12-15 11:07:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2021-12-15 11:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2021-12-15 11:07:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2021-12-15 11:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:07:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:07:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:07:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:07:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:07:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:07:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2021-12-15 11:07:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2021-12-15 11:07:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2021-12-15 11:07:35,908 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2021-12-15 11:07:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:07:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2021-12-15 11:07:35,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2021-12-15 11:07:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-12-15 11:07:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-12-15 11:07:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:07:35,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:07:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:35,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:36,169 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:36,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:36,829 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:36,836 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:36,836 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:36,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:36 BoogieIcfgContainer [2021-12-15 11:07:36,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:36,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:36,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:36,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:36,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:35" (1/3) ... [2021-12-15 11:07:36,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615f2e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:36, skipping insertion in model container [2021-12-15 11:07:36,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:35" (2/3) ... [2021-12-15 11:07:36,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@615f2e9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:36, skipping insertion in model container [2021-12-15 11:07:36,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:36" (3/3) ... [2021-12-15 11:07:36,844 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2021-12-15 11:07:36,848 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:36,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:36,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:36,900 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:07:36,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2021-12-15 11:07:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-15 11:07:36,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:36,946 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:07:36,947 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:36,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:36,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1310995889, now seen corresponding path program 1 times [2021-12-15 11:07:36,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 11:07:36,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135149116] [2021-12-15 11:07:36,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:36,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 11:07:37,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 11:07:37,005 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:07:37,016 INFO L158 Benchmark]: Toolchain (without parser) took 1971.14ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 58.7MB in the beginning and 52.5MB in the end (delta: 6.2MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-12-15 11:07:37,017 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:37,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.95ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 58.4MB in the beginning and 57.5MB in the end (delta: 935.7kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 11:07:37,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.06ms. Allocated memory is still 113.2MB. Free memory was 57.5MB in the beginning and 50.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:37,019 INFO L158 Benchmark]: Boogie Preprocessor took 74.76ms. Allocated memory is still 113.2MB. Free memory was 50.3MB in the beginning and 44.3MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:37,020 INFO L158 Benchmark]: RCFGBuilder took 1030.49ms. Allocated memory is still 113.2MB. Free memory was 44.2MB in the beginning and 66.4MB in the end (delta: -22.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-15 11:07:37,023 INFO L158 Benchmark]: TraceAbstraction took 175.00ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 52.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:37,027 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 92.3MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.95ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 58.4MB in the beginning and 57.5MB in the end (delta: 935.7kB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.06ms. Allocated memory is still 113.2MB. Free memory was 57.5MB in the beginning and 50.5MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.76ms. Allocated memory is still 113.2MB. Free memory was 50.3MB in the beginning and 44.3MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.49ms. Allocated memory is still 113.2MB. Free memory was 44.2MB in the beginning and 66.4MB in the end (delta: -22.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * TraceAbstraction took 175.00ms. Allocated memory is still 113.2MB. Free memory was 66.4MB in the beginning and 52.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:07:37,070 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_spec9_productSimulator.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 a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:07:38,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:07:38,668 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:07:38,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:07:38,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:07:38,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:07:38,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:07:38,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:07:38,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:07:38,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:07:38,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:07:38,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:07:38,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:07:38,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:07:38,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:07:38,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:07:38,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:07:38,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:07:38,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:07:38,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:07:38,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:07:38,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:07:38,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:07:38,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:07:38,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:07:38,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:07:38,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:07:38,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:07:38,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:07:38,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:07:38,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:07:38,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:07:38,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:07:38,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:07:38,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:07:38,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:07:38,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:07:38,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:07:38,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:07:38,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:07:38,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:07:38,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:07:38,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:07:38,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:07:38,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:07:38,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:07:38,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:07:38,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:07:38,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:07:38,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:07:38,790 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:07:38,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:07:38,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:07:38,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:07:38,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:07:38,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:07:38,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:07:38,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:07:38,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:07:38,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:07:38,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:07:38,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:07:38,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:38,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:07:38,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:07:38,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:07:38,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:07:38,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:07:38,794 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:07:38,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:07:38,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:07:38,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:07:38,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:07:38,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 [2021-12-15 11:07:39,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:07:39,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:07:39,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:07:39,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:07:39,097 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:07:39,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-12-15 11:07:39,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f82c0367/08164756270a40e090bf500ea9ec7e79/FLAG5b272b2f8 [2021-12-15 11:07:39,619 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:07:39,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-12-15 11:07:39,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f82c0367/08164756270a40e090bf500ea9ec7e79/FLAG5b272b2f8 [2021-12-15 11:07:39,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f82c0367/08164756270a40e090bf500ea9ec7e79 [2021-12-15 11:07:39,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:07:39,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:07:39,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:39,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:07:39,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:07:39,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:39" (1/1) ... [2021-12-15 11:07:39,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@799c9677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:39, skipping insertion in model container [2021-12-15 11:07:39,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:07:39" (1/1) ... [2021-12-15 11:07:39,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:07:39,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:40,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-12-15 11:07:40,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:40,411 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 11:07:40,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:07:40,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-12-15 11:07:40,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:40,500 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:07:40,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-12-15 11:07:40,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:07:40,618 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:07:40,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40 WrapperNode [2021-12-15 11:07:40,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:07:40,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:40,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:07:40,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:07:40,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,709 INFO L137 Inliner]: procedures = 154, calls = 288, calls flagged for inlining = 68, calls inlined = 65, statements flattened = 1249 [2021-12-15 11:07:40,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:07:40,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:07:40,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:07:40,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:07:40,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:07:40,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:07:40,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:07:40,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:07:40,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (1/1) ... [2021-12-15 11:07:40,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:07:40,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:07:40,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:07:40,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:07:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-15 11:07:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-15 11:07:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2021-12-15 11:07:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2021-12-15 11:07:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2021-12-15 11:07:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2021-12-15 11:07:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-15 11:07:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-15 11:07:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-15 11:07:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-15 11:07:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-15 11:07:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-15 11:07:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-15 11:07:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-15 11:07:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2021-12-15 11:07:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2021-12-15 11:07:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-15 11:07:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-15 11:07:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2021-12-15 11:07:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2021-12-15 11:07:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-15 11:07:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-15 11:07:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-15 11:07:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-15 11:07:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-15 11:07:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-15 11:07:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2021-12-15 11:07:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2021-12-15 11:07:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2021-12-15 11:07:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2021-12-15 11:07:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-15 11:07:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-15 11:07:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-15 11:07:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-15 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-15 11:07:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-15 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-15 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2021-12-15 11:07:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2021-12-15 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-15 11:07:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-15 11:07:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2021-12-15 11:07:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2021-12-15 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-15 11:07:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-15 11:07:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2021-12-15 11:07:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2021-12-15 11:07:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:07:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-15 11:07:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-15 11:07:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-15 11:07:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-15 11:07:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2021-12-15 11:07:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2021-12-15 11:07:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2021-12-15 11:07:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2021-12-15 11:07:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2021-12-15 11:07:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2021-12-15 11:07:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-15 11:07:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-15 11:07:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-15 11:07:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-15 11:07:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-15 11:07:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-15 11:07:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-15 11:07:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-15 11:07:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:07:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-15 11:07:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-15 11:07:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-15 11:07:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-15 11:07:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-15 11:07:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-15 11:07:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2021-12-15 11:07:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2021-12-15 11:07:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2021-12-15 11:07:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2021-12-15 11:07:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-15 11:07:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-15 11:07:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-15 11:07:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-15 11:07:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-15 11:07:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-15 11:07:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2021-12-15 11:07:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2021-12-15 11:07:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-12-15 11:07:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-12-15 11:07:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-15 11:07:40,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-15 11:07:40,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:07:40,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:07:41,133 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:07:41,136 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:07:41,943 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:07:41,950 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 11:07:41,950 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 11:07:41,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:41 BoogieIcfgContainer [2021-12-15 11:07:41,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 11:07:41,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 11:07:41,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 11:07:41,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 11:07:41,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:07:39" (1/3) ... [2021-12-15 11:07:41,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d82c7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:41, skipping insertion in model container [2021-12-15 11:07:41,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:07:40" (2/3) ... [2021-12-15 11:07:41,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d82c7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:07:41, skipping insertion in model container [2021-12-15 11:07:41,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:07:41" (3/3) ... [2021-12-15 11:07:41,957 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2021-12-15 11:07:41,961 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 11:07:41,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 11:07:41,991 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 11:07:41,996 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 11:07:41,996 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 11:07:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 449 states have (on average 1.5144766146993318) internal successors, (680), 469 states have internal predecessors, (680), 110 states have call successors, (110), 43 states have call predecessors, (110), 43 states have return successors, (110), 109 states have call predecessors, (110), 110 states have call successors, (110) [2021-12-15 11:07:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-15 11:07:42,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 11:07:42,058 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 11:07:42,059 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__before__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 11:07:42,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 11:07:42,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1310995889, now seen corresponding path program 1 times [2021-12-15 11:07:42,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 11:07:42,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808077072] [2021-12-15 11:07:42,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 11:07:42,085 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 11:07:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 11:07:42,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-15 11:07:42,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 11:07:42,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 11:07:42,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 11:07:42,391 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:07:42,395 INFO L158 Benchmark]: Toolchain (without parser) took 2464.29ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 44.7MB in the beginning and 61.5MB in the end (delta: -16.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2021-12-15 11:07:42,395 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:07:42,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.64ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.6MB in the beginning and 37.7MB in the end (delta: 6.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:42,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.01ms. Allocated memory is still 81.8MB. Free memory was 37.7MB in the beginning and 56.3MB in the end (delta: -18.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-12-15 11:07:42,396 INFO L158 Benchmark]: Boogie Preprocessor took 73.11ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 49.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 11:07:42,397 INFO L158 Benchmark]: RCFGBuilder took 1160.89ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 50.0MB in the end (delta: -91.9kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-12-15 11:07:42,397 INFO L158 Benchmark]: TraceAbstraction took 440.44ms. Allocated memory is still 98.6MB. Free memory was 49.5MB in the beginning and 61.5MB in the end (delta: -12.0MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-12-15 11:07:42,399 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 67.1MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.64ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.6MB in the beginning and 37.7MB in the end (delta: 6.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.01ms. Allocated memory is still 81.8MB. Free memory was 37.7MB in the beginning and 56.3MB in the end (delta: -18.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.11ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 49.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1160.89ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 50.0MB in the end (delta: -91.9kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 440.44ms. Allocated memory is still 98.6MB. Free memory was 49.5MB in the beginning and 61.5MB in the end (delta: -12.0MB). Peak memory consumption was 10.9MB. 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 11:07:42,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable