/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec7_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:47:47,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:47:48,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:47:48,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:47:48,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:47:48,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:47:48,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:47:48,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:47:48,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:47:48,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:47:48,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:47:48,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:47:48,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:47:48,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:47:48,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:47:48,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:47:48,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:47:48,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:47:48,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:47:48,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:47:48,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:47:48,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:47:48,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:47:48,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:47:48,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:47:48,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:47:48,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:47:48,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:47:48,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:47:48,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:47:48,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:47:48,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:47:48,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:47:48,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:47:48,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:47:48,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:47:48,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:47:48,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:47:48,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:47:48,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:47:48,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:47:48,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:47:48,103 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:47:48,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:47:48,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:47:48,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:47:48,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:47:48,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:47:48,105 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:47:48,105 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:47:48,105 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:47:48,106 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:47:48,106 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:47:48,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:47:48,107 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:47:48,107 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:47:48,107 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:47:48,107 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:47:48,107 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:47:48,107 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:47:48,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:47:48,108 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:47:48,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:47:48,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:47:48,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:47:48,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:47:48,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:47:48,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:47:48,109 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:47:48,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:47:48,109 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:47:48,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:47:48,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:47:48,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:47:48,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:47:48,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:47:48,110 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:47:48,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:47:48,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:47:48,110 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:47:48,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:47:48,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:47:48,111 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:47:48,111 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:47:48,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:47:48,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:47:48,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:47:48,374 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:47:48,375 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:47:48,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product23.cil.c [2023-03-31 23:47:49,423 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:47:49,723 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:47:49,724 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product23.cil.c [2023-03-31 23:47:49,740 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1342b49c9/b062a2c27b6c483e84e7f51b1452ff26/FLAGc8bad23ec [2023-03-31 23:47:49,751 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1342b49c9/b062a2c27b6c483e84e7f51b1452ff26 [2023-03-31 23:47:49,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:47:49,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:47:49,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:47:49,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:47:49,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:47:49,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f167562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:49, skipping insertion in model container [2023-03-31 23:47:49,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:47:49" (1/1) ... [2023-03-31 23:47:49,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:47:49,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:47:50,154 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_spec7_product23.cil.c[18387,18400] [2023-03-31 23:47:50,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:47:50,370 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:47:50,418 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_spec7_product23.cil.c[18387,18400] [2023-03-31 23:47:50,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:47:50,528 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:47:50,534 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:47:50,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50 WrapperNode [2023-03-31 23:47:50,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:47:50,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:47:50,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:47:50,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:47:50,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:47:50,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:47:50,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:47:50,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:47:50,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (1/1) ... [2023-03-31 23:47:50,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:47:50,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:47:50,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:47:50,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:47:50,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:47:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:47:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:47:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:47:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:47:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:47:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:47:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:47:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:47:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:47:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:47:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:47:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:47:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:47:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:47:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:47:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:47:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:47:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:47:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:47:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:47:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:47:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:47:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:47:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:47:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:47:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:47:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:47:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:47:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:47:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:47:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:47:50,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:47:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:47:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:47:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:47:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:47:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:47:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:47:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:47:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:47:50,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:47:50,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:47:50,796 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 23:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 23:47:50,797 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:47:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:47:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:47:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:47:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:47:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:47:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:47:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:47:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:47:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:47:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:47:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-03-31 23:47:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:47:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:47:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:47:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:47:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:47:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:47:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:47:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 23:47:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:47:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:47:51,132 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:47:51,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:47:52,154 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:47:52,843 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:47:52,843 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:47:52,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:47:52 BoogieIcfgContainer [2023-03-31 23:47:52,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:47:52,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:47:52,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:47:52,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:47:52,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:47:49" (1/3) ... [2023-03-31 23:47:52,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b72a1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:47:52, skipping insertion in model container [2023-03-31 23:47:52,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:47:50" (2/3) ... [2023-03-31 23:47:52,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b72a1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:47:52, skipping insertion in model container [2023-03-31 23:47:52,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:47:52" (3/3) ... [2023-03-31 23:47:52,856 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product23.cil.c [2023-03-31 23:47:52,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:47:52,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:47:52,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:47:52,947 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;@564567c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:47:52,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:47:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 194 states have (on average 1.190721649484536) internal successors, (231), 202 states have internal predecessors, (231), 113 states have call successors, (113), 75 states have call predecessors, (113), 75 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-03-31 23:47:52,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-03-31 23:47:52,981 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:52,982 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-03-31 23:47:52,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:52,988 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash -410251377, now seen corresponding path program 1 times [2023-03-31 23:47:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:52,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710805839] [2023-03-31 23:47:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:53,481 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710805839] [2023-03-31 23:47:53,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710805839] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:53,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:53,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:47:53,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81370245] [2023-03-31 23:47:53,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:53,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:47:53,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:53,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:47:53,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:47:53,533 INFO L87 Difference]: Start difference. First operand has 391 states, 194 states have (on average 1.190721649484536) internal successors, (231), 202 states have internal predecessors, (231), 113 states have call successors, (113), 75 states have call predecessors, (113), 75 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:53,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:53,686 INFO L93 Difference]: Finished difference Result 532 states and 627 transitions. [2023-03-31 23:47:53,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:47:53,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 128 [2023-03-31 23:47:53,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:53,700 INFO L225 Difference]: With dead ends: 532 [2023-03-31 23:47:53,700 INFO L226 Difference]: Without dead ends: 348 [2023-03-31 23:47:53,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:47:53,706 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:53,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 375 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:53,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-03-31 23:47:53,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2023-03-31 23:47:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 174 states have (on average 1.1839080459770115) internal successors, (206), 179 states have internal predecessors, (206), 103 states have call successors, (103), 74 states have call predecessors, (103), 70 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 23:47:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 407 transitions. [2023-03-31 23:47:53,767 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 407 transitions. Word has length 128 [2023-03-31 23:47:53,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:53,769 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 407 transitions. [2023-03-31 23:47:53,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 407 transitions. [2023-03-31 23:47:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-03-31 23:47:53,773 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:53,773 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-03-31 23:47:53,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:47:53,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:53,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1006782506, now seen corresponding path program 1 times [2023-03-31 23:47:53,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:53,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547756123] [2023-03-31 23:47:53,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:53,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:54,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547756123] [2023-03-31 23:47:54,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547756123] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:54,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:54,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:47:54,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654749898] [2023-03-31 23:47:54,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:54,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:47:54,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:54,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:47:54,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,053 INFO L87 Difference]: Start difference. First operand 348 states and 407 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:54,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:54,179 INFO L93 Difference]: Finished difference Result 517 states and 594 transitions. [2023-03-31 23:47:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:47:54,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 129 [2023-03-31 23:47:54,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:54,186 INFO L225 Difference]: With dead ends: 517 [2023-03-31 23:47:54,186 INFO L226 Difference]: Without dead ends: 350 [2023-03-31 23:47:54,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,193 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 0 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:54,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 730 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:54,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-03-31 23:47:54,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2023-03-31 23:47:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 176 states have (on average 1.1818181818181819) internal successors, (208), 181 states have internal predecessors, (208), 103 states have call successors, (103), 74 states have call predecessors, (103), 70 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 23:47:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 409 transitions. [2023-03-31 23:47:54,223 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 409 transitions. Word has length 129 [2023-03-31 23:47:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:54,223 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 409 transitions. [2023-03-31 23:47:54,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 409 transitions. [2023-03-31 23:47:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-03-31 23:47:54,226 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:54,226 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] [2023-03-31 23:47:54,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:47:54,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:54,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:54,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2014071848, now seen corresponding path program 1 times [2023-03-31 23:47:54,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:54,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685074115] [2023-03-31 23:47:54,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:54,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:54,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685074115] [2023-03-31 23:47:54,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685074115] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:54,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:54,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:47:54,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190471528] [2023-03-31 23:47:54,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:54,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:47:54,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:54,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:47:54,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,372 INFO L87 Difference]: Start difference. First operand 350 states and 409 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:54,467 INFO L93 Difference]: Finished difference Result 684 states and 828 transitions. [2023-03-31 23:47:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:47:54,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 138 [2023-03-31 23:47:54,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:54,470 INFO L225 Difference]: With dead ends: 684 [2023-03-31 23:47:54,471 INFO L226 Difference]: Without dead ends: 392 [2023-03-31 23:47:54,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,477 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 53 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:54,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 726 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2023-03-31 23:47:54,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 391. [2023-03-31 23:47:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 208 states have (on average 1.2548076923076923) internal successors, (261), 213 states have internal predecessors, (261), 112 states have call successors, (112), 74 states have call predecessors, (112), 70 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 23:47:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 480 transitions. [2023-03-31 23:47:54,505 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 480 transitions. Word has length 138 [2023-03-31 23:47:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:54,506 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 480 transitions. [2023-03-31 23:47:54,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 480 transitions. [2023-03-31 23:47:54,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-03-31 23:47:54,508 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:54,508 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] [2023-03-31 23:47:54,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:47:54,508 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:54,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:54,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1985124874, now seen corresponding path program 1 times [2023-03-31 23:47:54,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:54,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548011867] [2023-03-31 23:47:54,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:54,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:54,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:54,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548011867] [2023-03-31 23:47:54,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548011867] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:54,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:54,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:47:54,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140731243] [2023-03-31 23:47:54,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:54,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:47:54,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:54,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:47:54,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,728 INFO L87 Difference]: Start difference. First operand 391 states and 480 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:54,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:54,824 INFO L93 Difference]: Finished difference Result 804 states and 1036 transitions. [2023-03-31 23:47:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:47:54,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2023-03-31 23:47:54,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:54,830 INFO L225 Difference]: With dead ends: 804 [2023-03-31 23:47:54,830 INFO L226 Difference]: Without dead ends: 471 [2023-03-31 23:47:54,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,834 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 51 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:54,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 728 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2023-03-31 23:47:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2023-03-31 23:47:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 270 states have (on average 1.3444444444444446) internal successors, (363), 275 states have internal predecessors, (363), 129 states have call successors, (129), 74 states have call predecessors, (129), 70 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2023-03-31 23:47:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 616 transitions. [2023-03-31 23:47:54,863 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 616 transitions. Word has length 139 [2023-03-31 23:47:54,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:54,864 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 616 transitions. [2023-03-31 23:47:54,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 616 transitions. [2023-03-31 23:47:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-03-31 23:47:54,868 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:54,868 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] [2023-03-31 23:47:54,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:47:54,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:54,869 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash -307007368, now seen corresponding path program 1 times [2023-03-31 23:47:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116812378] [2023-03-31 23:47:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:54,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:54,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116812378] [2023-03-31 23:47:54,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116812378] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:47:54,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:47:54,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:47:54,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539927644] [2023-03-31 23:47:54,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:47:54,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:47:54,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:47:54,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:47:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:54,999 INFO L87 Difference]: Start difference. First operand 470 states and 616 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:55,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:47:55,087 INFO L93 Difference]: Finished difference Result 1035 states and 1434 transitions. [2023-03-31 23:47:55,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:47:55,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 140 [2023-03-31 23:47:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:47:55,091 INFO L225 Difference]: With dead ends: 1035 [2023-03-31 23:47:55,091 INFO L226 Difference]: Without dead ends: 623 [2023-03-31 23:47:55,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:47:55,093 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 49 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:47:55,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 728 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:47:55,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2023-03-31 23:47:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 622. [2023-03-31 23:47:55,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 390 states have (on average 1.4333333333333333) internal successors, (559), 395 states have internal predecessors, (559), 161 states have call successors, (161), 74 states have call predecessors, (161), 70 states have return successors, (156), 155 states have call predecessors, (156), 156 states have call successors, (156) [2023-03-31 23:47:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 876 transitions. [2023-03-31 23:47:55,119 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 876 transitions. Word has length 140 [2023-03-31 23:47:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:47:55,119 INFO L495 AbstractCegarLoop]: Abstraction has 622 states and 876 transitions. [2023-03-31 23:47:55,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:47:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 876 transitions. [2023-03-31 23:47:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-03-31 23:47:55,122 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:47:55,122 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] [2023-03-31 23:47:55,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:47:55,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:47:55,123 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:47:55,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1493944909, now seen corresponding path program 1 times [2023-03-31 23:47:55,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:47:55,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509529843] [2023-03-31 23:47:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:55,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:47:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:55,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:47:55,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509529843] [2023-03-31 23:47:55,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509529843] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:47:55,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262082983] [2023-03-31 23:47:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:47:55,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:47:55,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:47:55,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:47:55,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:47:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:47:55,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 2322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:47:55,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:47:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:55,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:47:56,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:47:56,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262082983] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:47:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1051278433] [2023-03-31 23:47:56,132 INFO L159 IcfgInterpreter]: Started Sifa with 131 locations of interest [2023-03-31 23:47:56,132 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:47:56,139 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:47:56,143 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:47:56,143 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:48:00,197 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:48:00,757 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 351 for LOIs [2023-03-31 23:48:07,172 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:48:09,474 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:48:10,939 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:48:11,672 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:48:13,131 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:48:13,934 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:48:15,546 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:48:16,684 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:48:16,801 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:48:16,911 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:48:16,973 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 332 for LOIs [2023-03-31 23:48:23,969 INFO L197 IcfgInterpreter]: Interpreting procedure rjhSetAutoRespond with input of size 232 for LOIs [2023-03-31 23:48:24,703 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAutoResponse with input of size 236 for LOIs [2023-03-31 23:48:24,801 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 239 for LOIs [2023-03-31 23:48:25,052 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 243 for LOIs [2023-03-31 23:48:26,169 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 225 for LOIs [2023-03-31 23:48:27,625 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 219 for LOIs [2023-03-31 23:48:27,744 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:48:27,826 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:48:27,909 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 239 for LOIs [2023-03-31 23:48:28,830 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AddressBook with input of size 223 for LOIs [2023-03-31 23:48:29,733 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 223 for LOIs [2023-03-31 23:48:31,015 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs [2023-03-31 23:48:31,356 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 223 for LOIs [2023-03-31 23:48:32,109 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 205 for LOIs [2023-03-31 23:48:32,178 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 225 for LOIs [2023-03-31 23:48:32,357 INFO L197 IcfgInterpreter]: Interpreting procedure verify with input of size 213 for LOIs [2023-03-31 23:48:32,518 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__EncryptVerify_spec__1 with input of size 205 for LOIs [2023-03-31 23:48:33,062 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 205 for LOIs [2023-03-31 23:48:33,127 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 199 for LOIs [2023-03-31 23:48:33,226 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 199 for LOIs [2023-03-31 23:48:33,321 INFO L197 IcfgInterpreter]: Interpreting procedure sign with input of size 217 for LOIs [2023-03-31 23:48:34,069 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 207 for LOIs [2023-03-31 23:48:34,171 INFO L180 IcfgInterpreter]: Interpretation finished