/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 OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:36:26,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:36:26,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:36:26,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:36:26,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:36:26,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:36:26,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:36:26,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:36:26,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:36:26,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:36:26,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:36:26,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:36:26,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:36:26,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:36:26,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:36:26,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:36:26,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:36:26,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:36:26,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:36:26,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:36:26,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:36:26,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:36:26,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:36:26,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:36:26,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:36:26,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:36:26,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:36:26,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:36:26,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:36:26,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:36:26,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:36:26,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:36:26,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:36:26,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:36:26,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:36:26,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:36:26,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:36:26,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:36:26,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:36:26,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:36:26,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:36:26,368 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 [2023-04-03 00:36:26,393 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:36:26,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:36:26,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:36:26,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:36:26,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:36:26,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:36:26,394 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:36:26,395 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:36:26,395 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:36:26,395 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:36:26,395 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:36:26,396 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:36:26,396 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:36:26,396 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:36:26,396 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:36:26,396 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:36:26,396 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:36:26,396 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:36:26,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:36:26,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:36:26,398 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:36:26,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:36:26,398 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:36:26,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:36:26,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:36:26,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:36:26,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:36:26,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:36:26,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:36:26,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:36:26,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:36:26,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:36:26,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:36:26,627 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:36:26,627 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:36:26,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-04-03 00:36:27,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:36:27,888 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:36:27,888 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-04-03 00:36:27,900 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e998515a/a7f1dcf000e04413ad98da70a9bc073e/FLAG9529aa8de [2023-04-03 00:36:27,911 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e998515a/a7f1dcf000e04413ad98da70a9bc073e [2023-04-03 00:36:27,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:36:27,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:36:27,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:36:27,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:36:27,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:36:27,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:36:27" (1/1) ... [2023-04-03 00:36:27,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11651164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:27, skipping insertion in model container [2023-04-03 00:36:27,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:36:27" (1/1) ... [2023-04-03 00:36:27,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:36:27,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:36:28,325 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_spec6_product21.cil.c[54302,54315] [2023-04-03 00:36:28,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:36:28,395 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:36:28,496 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_spec6_product21.cil.c[54302,54315] [2023-04-03 00:36:28,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:36:28,538 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:36:28,543 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:36:28,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28 WrapperNode [2023-04-03 00:36:28,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:36:28,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:36:28,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:36:28,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:36:28,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:36:28,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:36:28,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:36:28,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:36:28,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (1/1) ... [2023-04-03 00:36:28,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:36:28,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:36:28,696 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) [2023-04-03 00:36:28,730 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 [2023-04-03 00:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:36:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:36:28,771 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:36:28,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:36:28,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:36:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:36:28,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:36:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:36:28,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:36:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:36:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-03 00:36:28,779 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:36:28,780 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:36:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:36:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:36:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:36:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:36:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:36:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:36:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:36:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:36:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:36:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:36:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:36:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:36:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:36:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:36:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:36:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:36:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:36:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:36:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:36:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:36:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:36:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:36:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:36:29,045 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:36:29,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:36:29,926 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:36:30,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:36:30,643 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:36:30,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:36:30 BoogieIcfgContainer [2023-04-03 00:36:30,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:36:30,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:36:30,655 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:36:30,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:36:30,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:36:27" (1/3) ... [2023-04-03 00:36:30,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7469bd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:36:30, skipping insertion in model container [2023-04-03 00:36:30,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:28" (2/3) ... [2023-04-03 00:36:30,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7469bd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:36:30, skipping insertion in model container [2023-04-03 00:36:30,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:36:30" (3/3) ... [2023-04-03 00:36:30,660 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2023-04-03 00:36:30,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:36:30,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:36:30,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:36:30,739 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;@6f2176f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:36:30,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:36:30,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 199 states have (on average 1.1909547738693467) internal successors, (237), 207 states have internal predecessors, (237), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-03 00:36:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-03 00:36:30,770 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:30,771 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:36:30,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:30,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash 710996780, now seen corresponding path program 1 times [2023-04-03 00:36:30,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:30,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390468850] [2023-04-03 00:36:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:31,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:31,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390468850] [2023-04-03 00:36:31,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390468850] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:36:31,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:36:31,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:36:31,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31036436] [2023-04-03 00:36:31,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:36:31,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:36:31,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:36:31,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:36:31,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:36:31,283 INFO L87 Difference]: Start difference. First operand has 400 states, 199 states have (on average 1.1909547738693467) internal successors, (237), 207 states have internal predecessors, (237), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:36:31,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:36:31,423 INFO L93 Difference]: Finished difference Result 582 states and 696 transitions. [2023-04-03 00:36:31,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:36:31,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 143 [2023-04-03 00:36:31,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:36:31,444 INFO L225 Difference]: With dead ends: 582 [2023-04-03 00:36:31,444 INFO L226 Difference]: Without dead ends: 373 [2023-04-03 00:36:31,450 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 [2023-04-03 00:36:31,454 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:36:31,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:36:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-04-03 00:36:31,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-04-03 00:36:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 191 states have internal predecessors, (219), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-03 00:36:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 442 transitions. [2023-04-03 00:36:31,515 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 442 transitions. Word has length 143 [2023-04-03 00:36:31,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:36:31,517 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 442 transitions. [2023-04-03 00:36:31,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:36:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 442 transitions. [2023-04-03 00:36:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-03 00:36:31,536 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:31,537 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-03 00:36:31,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:36:31,537 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:31,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:31,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1401188340, now seen corresponding path program 1 times [2023-04-03 00:36:31,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:31,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344341416] [2023-04-03 00:36:31,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:31,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:31,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344341416] [2023-04-03 00:36:31,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344341416] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:36:31,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:36:31,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:36:31,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062718172] [2023-04-03 00:36:31,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:36:31,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:36:31,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:36:31,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:36:31,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:36:31,881 INFO L87 Difference]: Start difference. First operand 373 states and 442 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:36:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:36:31,986 INFO L93 Difference]: Finished difference Result 567 states and 664 transitions. [2023-04-03 00:36:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:36:31,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 144 [2023-04-03 00:36:31,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:36:31,991 INFO L225 Difference]: With dead ends: 567 [2023-04-03 00:36:31,992 INFO L226 Difference]: Without dead ends: 375 [2023-04-03 00:36:31,996 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 [2023-04-03 00:36:31,998 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 0 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:36:31,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 794 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:36:32,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-04-03 00:36:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-04-03 00:36:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 188 states have (on average 1.175531914893617) internal successors, (221), 193 states have internal predecessors, (221), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-03 00:36:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 444 transitions. [2023-04-03 00:36:32,026 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 444 transitions. Word has length 144 [2023-04-03 00:36:32,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:36:32,027 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 444 transitions. [2023-04-03 00:36:32,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:36:32,028 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 444 transitions. [2023-04-03 00:36:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-03 00:36:32,031 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:32,031 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] [2023-04-03 00:36:32,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:36:32,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:32,032 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:32,032 INFO L85 PathProgramCache]: Analyzing trace with hash -20739086, now seen corresponding path program 1 times [2023-04-03 00:36:32,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716341303] [2023-04-03 00:36:32,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:32,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:32,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716341303] [2023-04-03 00:36:32,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716341303] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:36:32,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:36:32,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:36:32,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216197687] [2023-04-03 00:36:32,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:36:32,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:36:32,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:36:32,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:36:32,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:36:32,167 INFO L87 Difference]: Start difference. First operand 375 states and 444 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:36:32,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:36:32,239 INFO L93 Difference]: Finished difference Result 734 states and 898 transitions. [2023-04-03 00:36:32,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:36:32,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 149 [2023-04-03 00:36:32,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:36:32,241 INFO L225 Difference]: With dead ends: 734 [2023-04-03 00:36:32,241 INFO L226 Difference]: Without dead ends: 417 [2023-04-03 00:36:32,242 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 [2023-04-03 00:36:32,243 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 53 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:36:32,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 794 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:36:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-04-03 00:36:32,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2023-04-03 00:36:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 220 states have (on average 1.2454545454545454) internal successors, (274), 225 states have internal predecessors, (274), 123 states have call successors, (123), 76 states have call predecessors, (123), 72 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2023-04-03 00:36:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 515 transitions. [2023-04-03 00:36:32,255 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 515 transitions. Word has length 149 [2023-04-03 00:36:32,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:36:32,256 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 515 transitions. [2023-04-03 00:36:32,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-03 00:36:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 515 transitions. [2023-04-03 00:36:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-03 00:36:32,258 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:32,258 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] [2023-04-03 00:36:32,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:36:32,258 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:32,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:32,258 INFO L85 PathProgramCache]: Analyzing trace with hash -455989514, now seen corresponding path program 1 times [2023-04-03 00:36:32,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:32,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405150151] [2023-04-03 00:36:32,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:32,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:32,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:32,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405150151] [2023-04-03 00:36:32,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405150151] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:36:32,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660213717] [2023-04-03 00:36:32,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:32,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:36:32,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:36:32,499 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) [2023-04-03 00:36:32,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:36:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:32,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:36:33,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:36:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:33,068 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:36:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:33,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660213717] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:36:33,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1504533074] [2023-04-03 00:36:33,253 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-03 00:36:33,253 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:36:33,256 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:36:33,259 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:36:33,260 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:36:37,028 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:36:37,699 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 353 for LOIs [2023-04-03 00:36:43,912 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:36:46,403 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:36:47,810 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:36:48,548 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:36:49,953 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:36:50,804 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs [2023-04-03 00:40:32,408 WARN L223 SmtUtils]: Spent 3.66m on a formula simplification. DAG size of input: 19626 DAG size of output: 303 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:40:32,545 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 240 for LOIs