/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:54:01,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:54:01,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:54:01,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:54:01,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:54:01,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:54:01,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:54:01,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:54:01,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:54:01,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:54:01,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:54:01,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:54:01,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:54:01,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:54:01,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:54:01,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:54:01,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:54:01,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:54:01,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:54:01,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:54:01,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:54:01,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:54:01,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:54:01,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:54:01,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:54:01,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:54:01,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:54:01,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:54:01,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:54:01,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:54:01,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:54:01,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:54:01,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:54:01,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:54:01,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:54:01,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:54:01,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:54:01,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:54:01,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:54:01,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:54:01,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:54:01,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:54:01,696 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:54:01,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:54:01,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:54:01,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:54:01,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:54:01,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:54:01,697 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:54:01,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:54:01,698 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:54:01,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:54:01,698 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:54:01,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:54:01,698 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:54:01,699 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:54:01,699 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:54:01,699 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:54:01,699 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:54:01,699 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:54:01,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:54:01,699 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:54:01,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:54:01,700 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:54:01,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:54:01,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:54:01,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:54:01,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:54:01,702 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:54:01,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:54:01,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:54:01,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:54:01,943 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:54:01,944 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:54:01,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2023-04-01 05:54:03,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:54:03,264 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:54:03,264 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2023-04-01 05:54:03,279 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bcf752bd/5073883329304fe585dfd8acf439fdfd/FLAGbf960a319 [2023-04-01 05:54:03,296 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bcf752bd/5073883329304fe585dfd8acf439fdfd [2023-04-01 05:54:03,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:54:03,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:54:03,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:54:03,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:54:03,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:54:03,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:54:03" (1/1) ... [2023-04-01 05:54:03,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7254cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:03, skipping insertion in model container [2023-04-01 05:54:03,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:54:03" (1/1) ... [2023-04-01 05:54:03,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:54:03,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:54:03,719 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_spec9_productSimulator.cil.c[31629,31642] [2023-04-01 05:54:03,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:54:03,863 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:54:03,912 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_spec9_productSimulator.cil.c[31629,31642] [2023-04-01 05:54:03,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:54:04,003 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:54:04,009 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:54:04,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04 WrapperNode [2023-04-01 05:54:04,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:54:04,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:54:04,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:54:04,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:54:04,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,136 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:54:04,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:54:04,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:54:04,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:54:04,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (1/1) ... [2023-04-01 05:54:04,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:54:04,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:54:04,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 05:54:04,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 05:54:04,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:54:04,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:54:04,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:54:04,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-01 05:54:04,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:54:04,220 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-01 05:54:04,221 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-01 05:54:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:54:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:54:04,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:54:04,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:54:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:54:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:54:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:54:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:54:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:54:04,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-01 05:54:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:54:04,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:54:04,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:54:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:54:04,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:54:04,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:54:04,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:54:04,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:54:04,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:54:04,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:54:04,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:54:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:54:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:54:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:54:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:54:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:54:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:54:04,237 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:54:04,238 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-01 05:54:04,239 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:54:04,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-01 05:54:04,241 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:54:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:54:04,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:54:04,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:54:04,513 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:54:04,520 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:54:05,567 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:54:06,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:54:06,156 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:54:06,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:54:06 BoogieIcfgContainer [2023-04-01 05:54:06,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:54:06,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:54:06,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:54:06,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:54:06,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:54:03" (1/3) ... [2023-04-01 05:54:06,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f1424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:54:06, skipping insertion in model container [2023-04-01 05:54:06,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:54:04" (2/3) ... [2023-04-01 05:54:06,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37f1424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:54:06, skipping insertion in model container [2023-04-01 05:54:06,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:54:06" (3/3) ... [2023-04-01 05:54:06,167 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2023-04-01 05:54:06,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:54:06,183 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:54:06,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:54:06,248 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;@19a247bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:54:06,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:54:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 610 states, 316 states have (on average 1.2563291139240507) internal successors, (397), 351 states have internal predecessors, (397), 180 states have call successors, (180), 108 states have call predecessors, (180), 108 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) [2023-04-01 05:54:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-01 05:54:06,279 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:06,280 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:06,281 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:06,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:06,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2108901321, now seen corresponding path program 1 times [2023-04-01 05:54:06,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:06,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685790136] [2023-04-01 05:54:06,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:06,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 05:54:07,013 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:07,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685790136] [2023-04-01 05:54:07,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685790136] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:54:07,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:54:07,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:54:07,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450927715] [2023-04-01 05:54:07,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:54:07,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:54:07,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:54:07,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:54:07,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:54:07,054 INFO L87 Difference]: Start difference. First operand has 610 states, 316 states have (on average 1.2563291139240507) internal successors, (397), 351 states have internal predecessors, (397), 180 states have call successors, (180), 108 states have call predecessors, (180), 108 states have return successors, (180), 166 states have call predecessors, (180), 180 states have call successors, (180) Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:54:07,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:54:07,368 INFO L93 Difference]: Finished difference Result 1142 states and 1432 transitions. [2023-04-01 05:54:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:54:07,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 140 [2023-04-01 05:54:07,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:54:07,381 INFO L225 Difference]: With dead ends: 1142 [2023-04-01 05:54:07,382 INFO L226 Difference]: Without dead ends: 583 [2023-04-01 05:54:07,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-04-01 05:54:07,389 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 3 mSDsluCounter, 2682 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3355 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:54:07,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3355 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:54:07,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2023-04-01 05:54:07,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2023-04-01 05:54:07,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 303 states have (on average 1.231023102310231) internal successors, (373), 335 states have internal predecessors, (373), 175 states have call successors, (175), 108 states have call predecessors, (175), 104 states have return successors, (170), 156 states have call predecessors, (170), 170 states have call successors, (170) [2023-04-01 05:54:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 718 transitions. [2023-04-01 05:54:07,446 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 718 transitions. Word has length 140 [2023-04-01 05:54:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:54:07,447 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 718 transitions. [2023-04-01 05:54:07,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 05:54:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 718 transitions. [2023-04-01 05:54:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 05:54:07,450 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:07,450 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:07,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:54:07,450 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:07,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash -615871267, now seen corresponding path program 1 times [2023-04-01 05:54:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714086718] [2023-04-01 05:54:07,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 05:54:07,624 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:07,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714086718] [2023-04-01 05:54:07,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714086718] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:54:07,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:54:07,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:54:07,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856683303] [2023-04-01 05:54:07,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:54:07,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:54:07,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:54:07,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:54:07,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:54:07,626 INFO L87 Difference]: Start difference. First operand 583 states and 718 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-04-01 05:54:08,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:54:08,074 INFO L93 Difference]: Finished difference Result 1132 states and 1424 transitions. [2023-04-01 05:54:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:54:08,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 146 [2023-04-01 05:54:08,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:54:08,078 INFO L225 Difference]: With dead ends: 1132 [2023-04-01 05:54:08,078 INFO L226 Difference]: Without dead ends: 581 [2023-04-01 05:54:08,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:54:08,084 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 691 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:54:08,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 946 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:54:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2023-04-01 05:54:08,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2023-04-01 05:54:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 303 states have (on average 1.2145214521452146) internal successors, (368), 333 states have internal predecessors, (368), 172 states have call successors, (172), 109 states have call predecessors, (172), 105 states have return successors, (167), 155 states have call predecessors, (167), 167 states have call successors, (167) [2023-04-01 05:54:08,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 707 transitions. [2023-04-01 05:54:08,130 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 707 transitions. Word has length 146 [2023-04-01 05:54:08,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:54:08,132 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 707 transitions. [2023-04-01 05:54:08,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-04-01 05:54:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 707 transitions. [2023-04-01 05:54:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 05:54:08,136 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:08,136 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:08,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:54:08,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:08,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:08,137 INFO L85 PathProgramCache]: Analyzing trace with hash 521996636, now seen corresponding path program 1 times [2023-04-01 05:54:08,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:08,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101200179] [2023-04-01 05:54:08,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:08,292 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 05:54:08,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:08,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101200179] [2023-04-01 05:54:08,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101200179] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:54:08,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:54:08,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:54:08,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511215361] [2023-04-01 05:54:08,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:54:08,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:54:08,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:54:08,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:54:08,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:54:08,296 INFO L87 Difference]: Start difference. First operand 581 states and 707 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:54:08,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:54:08,392 INFO L93 Difference]: Finished difference Result 1125 states and 1383 transitions. [2023-04-01 05:54:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:54:08,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 159 [2023-04-01 05:54:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:54:08,396 INFO L225 Difference]: With dead ends: 1125 [2023-04-01 05:54:08,396 INFO L226 Difference]: Without dead ends: 580 [2023-04-01 05:54:08,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:54:08,402 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 663 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:54:08,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 676 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:54:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-04-01 05:54:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2023-04-01 05:54:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 303 states have (on average 1.2079207920792079) internal successors, (366), 332 states have internal predecessors, (366), 171 states have call successors, (171), 109 states have call predecessors, (171), 105 states have return successors, (166), 155 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-01 05:54:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 703 transitions. [2023-04-01 05:54:08,428 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 703 transitions. Word has length 159 [2023-04-01 05:54:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:54:08,429 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 703 transitions. [2023-04-01 05:54:08,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 05:54:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 703 transitions. [2023-04-01 05:54:08,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-01 05:54:08,431 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:08,431 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:08,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:54:08,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:08,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash 150262183, now seen corresponding path program 1 times [2023-04-01 05:54:08,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:08,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169447984] [2023-04-01 05:54:08,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-01 05:54:08,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:08,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169447984] [2023-04-01 05:54:08,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169447984] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:54:08,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:54:08,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:54:08,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14801905] [2023-04-01 05:54:08,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:54:08,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:54:08,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:54:08,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:54:08,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:54:08,564 INFO L87 Difference]: Start difference. First operand 580 states and 703 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2023-04-01 05:54:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:54:08,985 INFO L93 Difference]: Finished difference Result 1097 states and 1330 transitions. [2023-04-01 05:54:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:54:08,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 160 [2023-04-01 05:54:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:54:08,988 INFO L225 Difference]: With dead ends: 1097 [2023-04-01 05:54:08,988 INFO L226 Difference]: Without dead ends: 577 [2023-04-01 05:54:08,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:54:08,990 INFO L413 NwaCegarLoop]: 615 mSDtfsCounter, 647 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 05:54:08,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 938 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 05:54:08,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2023-04-01 05:54:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2023-04-01 05:54:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 303 states have (on average 1.1716171617161717) internal successors, (355), 321 states have internal predecessors, (355), 168 states have call successors, (168), 109 states have call predecessors, (168), 105 states have return successors, (163), 155 states have call predecessors, (163), 163 states have call successors, (163) [2023-04-01 05:54:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 686 transitions. [2023-04-01 05:54:09,018 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 686 transitions. Word has length 160 [2023-04-01 05:54:09,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:54:09,018 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 686 transitions. [2023-04-01 05:54:09,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (42), 2 states have call predecessors, (42), 3 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2023-04-01 05:54:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 686 transitions. [2023-04-01 05:54:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-01 05:54:09,020 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:09,020 INFO L195 NwaCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:09,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:54:09,021 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:09,021 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:09,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1686818107, now seen corresponding path program 1 times [2023-04-01 05:54:09,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:09,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693267946] [2023-04-01 05:54:09,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:09,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 05:54:09,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:09,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693267946] [2023-04-01 05:54:09,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693267946] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:54:09,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:54:09,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:54:09,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800002268] [2023-04-01 05:54:09,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:54:09,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:54:09,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:54:09,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:54:09,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:54:09,205 INFO L87 Difference]: Start difference. First operand 577 states and 686 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-01 05:54:09,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:54:09,339 INFO L93 Difference]: Finished difference Result 909 states and 1074 transitions. [2023-04-01 05:54:09,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:54:09,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 181 [2023-04-01 05:54:09,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:54:09,344 INFO L225 Difference]: With dead ends: 909 [2023-04-01 05:54:09,344 INFO L226 Difference]: Without dead ends: 579 [2023-04-01 05:54:09,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:54:09,347 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 0 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:54:09,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1252 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:54:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2023-04-01 05:54:09,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2023-04-01 05:54:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 305 states have (on average 1.1704918032786886) internal successors, (357), 323 states have internal predecessors, (357), 168 states have call successors, (168), 109 states have call predecessors, (168), 105 states have return successors, (163), 155 states have call predecessors, (163), 163 states have call successors, (163) [2023-04-01 05:54:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 688 transitions. [2023-04-01 05:54:09,381 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 688 transitions. Word has length 181 [2023-04-01 05:54:09,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:54:09,382 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 688 transitions. [2023-04-01 05:54:09,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-01 05:54:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 688 transitions. [2023-04-01 05:54:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-01 05:54:09,384 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:09,385 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:09,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:54:09,385 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:09,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:09,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1480115300, now seen corresponding path program 1 times [2023-04-01 05:54:09,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:09,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035193079] [2023-04-01 05:54:09,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:09,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 05:54:09,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:09,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035193079] [2023-04-01 05:54:09,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035193079] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:54:09,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:54:09,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:54:09,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372817504] [2023-04-01 05:54:09,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:54:09,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:54:09,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:54:09,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:54:09,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:54:09,534 INFO L87 Difference]: Start difference. First operand 579 states and 688 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-01 05:54:09,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:54:09,648 INFO L93 Difference]: Finished difference Result 1106 states and 1345 transitions. [2023-04-01 05:54:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:54:09,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 188 [2023-04-01 05:54:09,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:54:09,652 INFO L225 Difference]: With dead ends: 1106 [2023-04-01 05:54:09,652 INFO L226 Difference]: Without dead ends: 633 [2023-04-01 05:54:09,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:54:09,654 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 68 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1251 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:54:09,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1251 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:54:09,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2023-04-01 05:54:09,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2023-04-01 05:54:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 348 states have (on average 1.2183908045977012) internal successors, (424), 369 states have internal predecessors, (424), 178 states have call successors, (178), 109 states have call predecessors, (178), 105 states have return successors, (173), 165 states have call predecessors, (173), 173 states have call successors, (173) [2023-04-01 05:54:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 775 transitions. [2023-04-01 05:54:09,686 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 775 transitions. Word has length 188 [2023-04-01 05:54:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:54:09,686 INFO L495 AbstractCegarLoop]: Abstraction has 632 states and 775 transitions. [2023-04-01 05:54:09,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-04-01 05:54:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 775 transitions. [2023-04-01 05:54:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-01 05:54:09,689 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:54:09,689 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:54:09,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:54:09,689 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:54:09,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:54:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1188782893, now seen corresponding path program 1 times [2023-04-01 05:54:09,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:54:09,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642193235] [2023-04-01 05:54:09,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:54:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 05:54:09,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:54:09,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642193235] [2023-04-01 05:54:09,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642193235] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:54:09,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515185549] [2023-04-01 05:54:09,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:54:09,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:54:09,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:54:09,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:54:09,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:54:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:54:10,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 2847 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:54:10,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:54:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 05:54:10,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:54:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-01 05:54:10,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515185549] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:54:10,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [918988321] [2023-04-01 05:54:10,743 INFO L159 IcfgInterpreter]: Started Sifa with 164 locations of interest [2023-04-01 05:54:10,743 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:54:10,746 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:54:10,750 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:54:10,750 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:54:15,265 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:54:15,861 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 387 for LOIs