/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec0_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:37:38,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:37:38,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:37:38,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:37:38,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:37:38,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:37:38,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:37:38,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:37:38,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:37:38,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:37:38,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:37:38,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:37:38,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:37:38,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:37:38,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:37:38,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:37:38,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:37:38,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:37:38,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:37:38,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:37:38,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:37:38,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:37:38,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:37:38,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:37:38,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:37:38,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:37:38,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:37:38,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:37:38,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:37:38,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:37:38,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:37:38,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:37:38,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:37:38,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:37:38,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:37:38,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:37:38,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:37:38,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:37:38,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:37:38,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:37:38,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:37:38,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:37:38,378 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:37:38,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:37:38,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:37:38,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:37:38,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:37:38,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:37:38,380 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:37:38,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:37:38,380 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:37:38,380 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:37:38,381 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:37:38,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:37:38,381 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:37:38,381 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:37:38,381 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:37:38,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:37:38,382 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:37:38,382 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:37:38,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:37:38,383 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:37:38,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:37:38,384 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:37:38,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:37:38,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:37:38,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:37:38,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:38,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:37:38,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:37:38,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:37:38,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:37:38,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:37:38,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:37:38,648 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:37:38,649 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:37:38,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product21.cil.c [2023-03-31 23:37:39,821 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:37:40,151 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:37:40,152 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product21.cil.c [2023-03-31 23:37:40,179 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d63d2bd/ab002f50299040eca8aa05198327df6e/FLAGf940159a6 [2023-03-31 23:37:40,197 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91d63d2bd/ab002f50299040eca8aa05198327df6e [2023-03-31 23:37:40,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:37:40,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:37:40,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:40,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:37:40,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:37:40,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:40,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bef06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40, skipping insertion in model container [2023-03-31 23:37:40,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:40,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:37:40,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:37:40,665 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product21.cil.c[44895,44908] [2023-03-31 23:37:40,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:40,754 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:37:40,830 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product21.cil.c[44895,44908] [2023-03-31 23:37:40,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:40,907 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:37:40,914 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:37:40,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40 WrapperNode [2023-03-31 23:37:40,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:40,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:37:40,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:37:40,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:37:40,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:40,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:40,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:40,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:41,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:41,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:41,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:41,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:41,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:37:41,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:37:41,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:37:41,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:37:41,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (1/1) ... [2023-03-31 23:37:41,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:41,140 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) [2023-03-31 23:37:41,141 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 [2023-03-31 23:37:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:37:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:37:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:37:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:37:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:37:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:37:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:37:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:37:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:37:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:37:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:37:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:37:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:37:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:37:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 23:37:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:37:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 23:37:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:37:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:37:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:37:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:37:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:37:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:37:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:37:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:37:41,192 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:37:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:37:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:37:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:37:41,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:37:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:37:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:37:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:37:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:37:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:37:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:37:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:37:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:37:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:37:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:37:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:37:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:37:41,515 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:37:41,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:37:42,641 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:37:43,384 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:37:43,385 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:37:43,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:43 BoogieIcfgContainer [2023-03-31 23:37:43,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:37:43,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:37:43,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:37:43,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:37:43,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:37:40" (1/3) ... [2023-03-31 23:37:43,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50727a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:43, skipping insertion in model container [2023-03-31 23:37:43,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:40" (2/3) ... [2023-03-31 23:37:43,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50727a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:43, skipping insertion in model container [2023-03-31 23:37:43,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:43" (3/3) ... [2023-03-31 23:37:43,409 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product21.cil.c [2023-03-31 23:37:43,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:37:43,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:37:43,492 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:37:43,500 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37384811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:37:43,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:37:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 390 states, 194 states have (on average 1.190721649484536) internal successors, (231), 202 states have internal predecessors, (231), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2023-03-31 23:37:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-03-31 23:37:43,540 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:43,541 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:37:43,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:43,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1303899626, now seen corresponding path program 1 times [2023-03-31 23:37:43,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:43,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395827853] [2023-03-31 23:37:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:43,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:44,141 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:44,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:44,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395827853] [2023-03-31 23:37:44,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395827853] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:44,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:44,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:37:44,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279136881] [2023-03-31 23:37:44,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:44,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:37:44,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:44,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:37:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:37:44,197 INFO L87 Difference]: Start difference. First operand has 390 states, 194 states have (on average 1.190721649484536) internal successors, (231), 202 states have internal predecessors, (231), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 23:37:44,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:44,378 INFO L93 Difference]: Finished difference Result 562 states and 670 transitions. [2023-03-31 23:37:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:37:44,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 156 [2023-03-31 23:37:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:44,402 INFO L225 Difference]: With dead ends: 562 [2023-03-31 23:37:44,402 INFO L226 Difference]: Without dead ends: 363 [2023-03-31 23:37:44,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:37:44,415 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:44,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 394 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:44,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2023-03-31 23:37:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2023-03-31 23:37:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 181 states have (on average 1.1767955801104972) internal successors, (213), 186 states have internal predecessors, (213), 110 states have call successors, (110), 75 states have call predecessors, (110), 71 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-03-31 23:37:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 428 transitions. [2023-03-31 23:37:44,483 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 428 transitions. Word has length 156 [2023-03-31 23:37:44,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:44,486 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 428 transitions. [2023-03-31 23:37:44,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 23:37:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 428 transitions. [2023-03-31 23:37:44,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-03-31 23:37:44,491 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:44,491 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:37:44,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:37:44,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:44,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:44,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1625533474, now seen corresponding path program 1 times [2023-03-31 23:37:44,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:44,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059378471] [2023-03-31 23:37:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:44,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:44,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:44,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059378471] [2023-03-31 23:37:44,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059378471] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:44,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:44,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:44,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263697864] [2023-03-31 23:37:44,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:44,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:44,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:44,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:44,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:44,868 INFO L87 Difference]: Start difference. First operand 363 states and 428 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 23:37:44,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:45,000 INFO L93 Difference]: Finished difference Result 547 states and 636 transitions. [2023-03-31 23:37:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:45,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 157 [2023-03-31 23:37:45,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:45,006 INFO L225 Difference]: With dead ends: 547 [2023-03-31 23:37:45,006 INFO L226 Difference]: Without dead ends: 365 [2023-03-31 23:37:45,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:45,013 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:45,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 768 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:45,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-03-31 23:37:45,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2023-03-31 23:37:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 183 states have (on average 1.174863387978142) internal successors, (215), 188 states have internal predecessors, (215), 110 states have call successors, (110), 75 states have call predecessors, (110), 71 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-03-31 23:37:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 430 transitions. [2023-03-31 23:37:45,052 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 430 transitions. Word has length 157 [2023-03-31 23:37:45,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:45,053 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 430 transitions. [2023-03-31 23:37:45,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 23:37:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 430 transitions. [2023-03-31 23:37:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-03-31 23:37:45,056 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:45,056 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:37:45,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:37:45,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:45,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:45,057 INFO L85 PathProgramCache]: Analyzing trace with hash 645977802, now seen corresponding path program 1 times [2023-03-31 23:37:45,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:45,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345343730] [2023-03-31 23:37:45,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:45,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:45,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:45,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345343730] [2023-03-31 23:37:45,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345343730] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:45,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:45,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:45,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435006480] [2023-03-31 23:37:45,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:45,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:45,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:45,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:45,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:45,233 INFO L87 Difference]: Start difference. First operand 365 states and 430 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 23:37:45,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:45,365 INFO L93 Difference]: Finished difference Result 714 states and 870 transitions. [2023-03-31 23:37:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:45,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 162 [2023-03-31 23:37:45,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:45,369 INFO L225 Difference]: With dead ends: 714 [2023-03-31 23:37:45,369 INFO L226 Difference]: Without dead ends: 407 [2023-03-31 23:37:45,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:45,371 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 53 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:45,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 772 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:45,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-03-31 23:37:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 406. [2023-03-31 23:37:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 215 states have (on average 1.2465116279069768) internal successors, (268), 220 states have internal predecessors, (268), 119 states have call successors, (119), 75 states have call predecessors, (119), 71 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-03-31 23:37:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 501 transitions. [2023-03-31 23:37:45,387 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 501 transitions. Word has length 162 [2023-03-31 23:37:45,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:45,387 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 501 transitions. [2023-03-31 23:37:45,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 23:37:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 501 transitions. [2023-03-31 23:37:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-03-31 23:37:45,390 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:45,390 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:37:45,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:37:45,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:45,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:45,391 INFO L85 PathProgramCache]: Analyzing trace with hash 816982826, now seen corresponding path program 1 times [2023-03-31 23:37:45,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:45,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902126985] [2023-03-31 23:37:45,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:45,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:45,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:45,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902126985] [2023-03-31 23:37:45,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902126985] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:37:45,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356811314] [2023-03-31 23:37:45,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:45,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:37:45,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:45,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:37:45,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:37:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:46,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:37:46,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:37:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:46,402 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:37:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:46,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356811314] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:37:46,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1056756873] [2023-03-31 23:37:46,634 INFO L159 IcfgInterpreter]: Started Sifa with 148 locations of interest [2023-03-31 23:37:46,635 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:37:46,643 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:37:46,648 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:37:46,648 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:37:51,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:37:51,807 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 347 for LOIs [2023-03-31 23:37:57,889 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:38:00,580 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:38:02,058 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:38:02,769 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:38:04,177 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:38:04,952 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:38:06,609 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:38:07,545 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:38:07,664 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:38:07,771 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:38:07,832 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 328 for LOIs [2023-03-31 23:38:11,195 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 241 for LOIs [2023-03-31 23:38:11,455 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 245 for LOIs [2023-03-31 23:38:12,663 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 231 for LOIs [2023-03-31 23:38:14,100 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:38:14,184 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:38:14,253 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 241 for LOIs [2023-03-31 23:38:15,303 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Encrypt with input of size 241 for LOIs [2023-03-31 23:38:17,317 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 219 for LOIs [2023-03-31 23:38:17,508 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 241 for LOIs [2023-03-31 23:38:19,089 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2023-03-31 23:38:19,466 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 241 for LOIs [2023-03-31 23:38:20,352 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 221 for LOIs [2023-03-31 23:38:20,634 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 243 for LOIs [2023-03-31 23:38:21,564 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 221 for LOIs [2023-03-31 23:38:21,697 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Forward with input of size 235 for LOIs [2023-03-31 23:38:22,981 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 225 for LOIs [2023-03-31 23:38:23,097 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__AddressBook with input of size 223 for LOIs [2023-03-31 23:38:23,778 INFO L197 IcfgInterpreter]: Interpreting procedure deliver with input of size 223 for LOIs [2023-03-31 23:38:23,882 INFO L197 IcfgInterpreter]: Interpreting procedure getClientForwardReceiver with input of size 221 for LOIs [2023-03-31 23:38:24,048 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 213 for LOIs [2023-03-31 23:38:24,123 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 213 for LOIs [2023-03-31 23:38:24,197 INFO L180 IcfgInterpreter]: Interpretation finished