/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_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:31:39,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:31:39,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:31:39,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:31:39,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:31:39,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:31:39,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:31:39,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:31:39,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:31:39,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:31:39,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:31:39,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:31:39,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:31:39,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:31:39,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:31:39,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:31:39,804 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:31:39,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:31:39,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:31:39,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:31:39,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:31:39,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:31:39,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:31:39,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:31:39,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:31:39,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:31:39,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:31:39,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:31:39,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:31:39,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:31:39,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:31:39,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:31:39,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:31:39,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:31:39,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:31:39,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:31:39,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:31:39,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:31:39,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:31:39,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:31:39,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:31:39,819 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 00:31:39,839 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:31:39,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:31:39,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:31:39,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:31:39,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:31:39,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:31:39,841 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:31:39,841 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:31:39,841 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:31:39,841 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:31:39,842 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:31:39,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:31:39,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:31:39,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:31:39,842 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:31:39,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:31:39,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:31:39,843 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:31:39,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:31:39,843 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:31:39,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:31:39,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:31:39,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:31:39,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:31:39,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:31:39,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:31:39,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:31:39,845 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:31:39,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:31:39,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:31:39,846 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:31:39,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:31:39,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:31:39,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:31:39,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:31:40,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:31:40,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:31:40,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:31:40,023 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:31:40,023 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:31:40,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2023-04-03 00:31:41,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:31:41,265 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:31:41,266 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2023-04-03 00:31:41,293 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc129170/9ec8ab41b13f4d5ca1bae10a3a43b445/FLAGd1fe653ce [2023-04-03 00:31:41,633 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc129170/9ec8ab41b13f4d5ca1bae10a3a43b445 [2023-04-03 00:31:41,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:31:41,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:31:41,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:31:41,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:31:41,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:31:41,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:31:41" (1/1) ... [2023-04-03 00:31:41,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129fcabb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:41, skipping insertion in model container [2023-04-03 00:31:41,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:31:41" (1/1) ... [2023-04-03 00:31:41,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:31:41,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:31:41,788 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_spec4_product27.cil.c[1542,1555] [2023-04-03 00:31:42,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:31:42,079 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:31:42,090 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_spec4_product27.cil.c[1542,1555] [2023-04-03 00:31:42,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:31:42,172 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:31:42,177 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:31:42,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42 WrapperNode [2023-04-03 00:31:42,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:31:42,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:31:42,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:31:42,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:31:42,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:31:42,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:31:42,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:31:42,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:31:42,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (1/1) ... [2023-04-03 00:31:42,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:31:42,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:31:42,342 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 00:31:42,391 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 00:31:42,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:31:42,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:31:42,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:31:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:31:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:31:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:31:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:31:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:31:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:31:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:31:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:31:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:31:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:31:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:31:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:31:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:31:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:31:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:31:42,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:31:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:31:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:31:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:31:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:31:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:31:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:31:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:31:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:31:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:31:42,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:31:42,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:31:42,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:31:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:31:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:31:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:31:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:31:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:31:42,430 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:31:42,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:31:42,432 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:31:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:31:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:31:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:31:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:31:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:31:42,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:31:42,433 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:31:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:31:42,434 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:31:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:31:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:31:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:31:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:31:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:31:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:31:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:31:42,440 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:31:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:31:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:31:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:31:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:31:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:31:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:31:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:31:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:31:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:31:42,446 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:31:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:31:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:31:42,447 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:31:42,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:31:42,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:31:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:31:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:31:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:31:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:31:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:31:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:31:42,774 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:31:42,776 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:31:43,463 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:31:44,005 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:31:44,005 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:31:44,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:31:44 BoogieIcfgContainer [2023-04-03 00:31:44,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:31:44,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:31:44,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:31:44,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:31:44,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:31:41" (1/3) ... [2023-04-03 00:31:44,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6384b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:31:44, skipping insertion in model container [2023-04-03 00:31:44,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:42" (2/3) ... [2023-04-03 00:31:44,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6384b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:31:44, skipping insertion in model container [2023-04-03 00:31:44,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:31:44" (3/3) ... [2023-04-03 00:31:44,016 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2023-04-03 00:31:44,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:31:44,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:31:44,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:31:44,086 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;@63e0badb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:31:44,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:31:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 428 states, 212 states have (on average 1.1839622641509433) internal successors, (251), 221 states have internal predecessors, (251), 126 states have call successors, (126), 84 states have call predecessors, (126), 84 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-03 00:31:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 00:31:44,112 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:44,113 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] [2023-04-03 00:31:44,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:44,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:44,118 INFO L85 PathProgramCache]: Analyzing trace with hash -827025147, now seen corresponding path program 1 times [2023-04-03 00:31:44,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:44,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880086785] [2023-04-03 00:31:44,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:44,545 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 00:31:44,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:44,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880086785] [2023-04-03 00:31:44,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880086785] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:44,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:44,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:31:44,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760163686] [2023-04-03 00:31:44,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:44,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:31:44,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:44,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:31:44,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:31:44,592 INFO L87 Difference]: Start difference. First operand has 428 states, 212 states have (on average 1.1839622641509433) internal successors, (251), 221 states have internal predecessors, (251), 126 states have call successors, (126), 84 states have call predecessors, (126), 84 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:31:44,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:44,702 INFO L93 Difference]: Finished difference Result 631 states and 744 transitions. [2023-04-03 00:31:44,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:31:44,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 125 [2023-04-03 00:31:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:44,714 INFO L225 Difference]: With dead ends: 631 [2023-04-03 00:31:44,714 INFO L226 Difference]: Without dead ends: 401 [2023-04-03 00:31:44,717 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 00:31:44,719 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:44,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 431 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:44,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-04-03 00:31:44,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2023-04-03 00:31:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 199 states have (on average 1.170854271356784) internal successors, (233), 205 states have internal predecessors, (233), 121 states have call successors, (121), 84 states have call predecessors, (121), 80 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2023-04-03 00:31:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 470 transitions. [2023-04-03 00:31:44,766 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 470 transitions. Word has length 125 [2023-04-03 00:31:44,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:44,767 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 470 transitions. [2023-04-03 00:31:44,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:31:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 470 transitions. [2023-04-03 00:31:44,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-03 00:31:44,770 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:44,770 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] [2023-04-03 00:31:44,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:31:44,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:44,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:44,771 INFO L85 PathProgramCache]: Analyzing trace with hash -832133893, now seen corresponding path program 1 times [2023-04-03 00:31:44,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:44,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657966709] [2023-04-03 00:31:44,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:44,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:45,019 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 00:31:45,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:45,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657966709] [2023-04-03 00:31:45,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657966709] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:45,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:45,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:31:45,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167478991] [2023-04-03 00:31:45,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:45,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:31:45,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:45,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:31:45,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:45,023 INFO L87 Difference]: Start difference. First operand 401 states and 470 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:31:45,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:45,151 INFO L93 Difference]: Finished difference Result 616 states and 713 transitions. [2023-04-03 00:31:45,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:31:45,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 126 [2023-04-03 00:31:45,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:45,158 INFO L225 Difference]: With dead ends: 616 [2023-04-03 00:31:45,159 INFO L226 Difference]: Without dead ends: 403 [2023-04-03 00:31:45,164 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 00:31:45,166 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 0 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 842 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:45,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 842 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-04-03 00:31:45,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2023-04-03 00:31:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 201 states have (on average 1.1691542288557213) internal successors, (235), 207 states have internal predecessors, (235), 121 states have call successors, (121), 84 states have call predecessors, (121), 80 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2023-04-03 00:31:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 472 transitions. [2023-04-03 00:31:45,199 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 472 transitions. Word has length 126 [2023-04-03 00:31:45,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:45,199 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 472 transitions. [2023-04-03 00:31:45,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:31:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 472 transitions. [2023-04-03 00:31:45,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-03 00:31:45,205 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:45,206 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] [2023-04-03 00:31:45,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:31:45,206 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:45,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:45,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2079747173, now seen corresponding path program 1 times [2023-04-03 00:31:45,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:45,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209379550] [2023-04-03 00:31:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:45,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:45,345 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 00:31:45,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:45,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209379550] [2023-04-03 00:31:45,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209379550] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:45,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:45,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:31:45,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425519480] [2023-04-03 00:31:45,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:45,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:31:45,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:45,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:31:45,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:45,348 INFO L87 Difference]: Start difference. First operand 403 states and 472 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:31:45,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:45,434 INFO L93 Difference]: Finished difference Result 792 states and 957 transitions. [2023-04-03 00:31:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:31:45,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 138 [2023-04-03 00:31:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:45,437 INFO L225 Difference]: With dead ends: 792 [2023-04-03 00:31:45,437 INFO L226 Difference]: Without dead ends: 447 [2023-04-03 00:31:45,440 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 00:31:45,443 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 54 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:45,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 844 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:45,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2023-04-03 00:31:45,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 446. [2023-04-03 00:31:45,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 234 states have (on average 1.235042735042735) internal successors, (289), 240 states have internal predecessors, (289), 131 states have call successors, (131), 84 states have call predecessors, (131), 80 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-03 00:31:45,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 546 transitions. [2023-04-03 00:31:45,466 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 546 transitions. Word has length 138 [2023-04-03 00:31:45,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:45,466 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 546 transitions. [2023-04-03 00:31:45,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:31:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 546 transitions. [2023-04-03 00:31:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-03 00:31:45,468 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:45,468 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] [2023-04-03 00:31:45,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:31:45,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:45,469 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash -2083567666, now seen corresponding path program 1 times [2023-04-03 00:31:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:45,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392398663] [2023-04-03 00:31:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:45,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:45,664 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 00:31:45,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:45,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392398663] [2023-04-03 00:31:45,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392398663] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:31:45,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717764453] [2023-04-03 00:31:45,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:45,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:31:45,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:31:45,705 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 00:31:45,731 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 00:31:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:46,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:31:46,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:31:46,285 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 00:31:46,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:31:46,433 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 00:31:46,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717764453] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:31:46,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [611074888] [2023-04-03 00:31:46,453 INFO L159 IcfgInterpreter]: Started Sifa with 126 locations of interest [2023-04-03 00:31:46,453 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:31:46,455 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:31:46,458 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:31:46,458 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:31:49,874 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:31:50,558 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 357 for LOIs [2023-04-03 00:31:56,845 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:31:59,161 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:32:00,529 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:32:01,252 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:32:02,614 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:32:03,429 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:35:35,711 WARN L223 SmtUtils]: Spent 3.51m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:35:35,848 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs