/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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:43:40,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:43:40,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:43:40,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:43:40,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:43:40,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:43:40,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:43:40,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:43:40,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:43:40,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:43:40,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:43:40,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:43:40,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:43:40,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:43:40,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:43:40,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:43:40,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:43:40,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:43:40,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:43:40,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:43:40,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:43:40,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:43:40,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:43:40,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:43:40,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:43:40,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:43:40,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:43:40,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:43:40,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:43:40,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:43:40,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:43:40,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:43:40,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:43:40,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:43:40,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:43:40,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:43:40,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:43:40,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:43:40,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:43:40,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:43:40,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:43:40,788 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 05:43:40,818 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:43:40,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:43:40,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:43:40,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:43:40,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:43:40,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:43:40,821 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:43:40,821 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:43:40,821 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:43:40,821 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:43:40,822 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:43:40,822 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:43:40,822 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:43:40,822 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:43:40,822 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:43:40,822 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:43:40,822 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:43:40,823 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:43:40,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:43:40,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:43:40,825 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:43:40,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:43:40,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:43:40,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:43:40,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:43:40,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:43:40,825 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:43:40,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:43:40,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:43:40,826 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:43:40,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:43:40,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:43:40,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:43:40,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:43:41,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:43:41,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:43:41,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:43:41,089 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:43:41,089 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:43:41,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2023-04-01 05:43:42,326 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:43:42,666 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:43:42,666 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2023-04-01 05:43:42,699 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e157376e6/3d049628e3b5454eb53529bdec2b0141/FLAGd775e44a0 [2023-04-01 05:43:42,715 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e157376e6/3d049628e3b5454eb53529bdec2b0141 [2023-04-01 05:43:42,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:43:42,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:43:42,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:43:42,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:43:42,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:43:42,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:43:42" (1/1) ... [2023-04-01 05:43:42,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33704c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:42, skipping insertion in model container [2023-04-01 05:43:42,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:43:42" (1/1) ... [2023-04-01 05:43:42,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:43:42,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:43:43,172 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_spec1_productSimulator.cil.c[35789,35802] [2023-04-01 05:43:43,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:43:43,332 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:43:43,433 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_spec1_productSimulator.cil.c[35789,35802] [2023-04-01 05:43:43,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:43:43,491 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:43:43,497 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:43:43,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43 WrapperNode [2023-04-01 05:43:43,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:43:43,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:43:43,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:43:43,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:43:43,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:43:43,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:43:43,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:43:43,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:43:43,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (1/1) ... [2023-04-01 05:43:43,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:43:43,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:43:43,729 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 05:43:43,758 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 05:43:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:43:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:43:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:43:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:43:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 05:43:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:43:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-01 05:43:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-01 05:43:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:43:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-01 05:43:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-01 05:43:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-01 05:43:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:43:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:43:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:43:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:43:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:43:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:43:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:43:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:43:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:43:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:43:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:43:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:43:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:43:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:43:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:43:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:43:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:43:43,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:43:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:43:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-01 05:43:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-01 05:43:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:43:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:43:43,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:43:43,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:43:43,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:43:43,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:43:43,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:43:43,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:43:43,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:43:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:43:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:43:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:43:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:43:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:43:43,790 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:43:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:43:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:43:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:43:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:43:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:43:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:43:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:43:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:43:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:43:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:43:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:43:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:43:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:43:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:43:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:43:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:43:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:43:43,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:43:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:43:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-01 05:43:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-01 05:43:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-01 05:43:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-01 05:43:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-01 05:43:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-01 05:43:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-01 05:43:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:43:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:43:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:43:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:43:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:43:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:43:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:43:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:43:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:43:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-01 05:43:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:43:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:43:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:43:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:43:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:43:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:43:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:43:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:43:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:43:43,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:43:43,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:43:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:43:44,185 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:43:44,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:43:45,561 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:43:46,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:43:46,406 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:43:46,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:43:46 BoogieIcfgContainer [2023-04-01 05:43:46,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:43:46,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:43:46,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:43:46,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:43:46,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:43:42" (1/3) ... [2023-04-01 05:43:46,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba2fca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:43:46, skipping insertion in model container [2023-04-01 05:43:46,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:43:43" (2/3) ... [2023-04-01 05:43:46,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba2fca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:43:46, skipping insertion in model container [2023-04-01 05:43:46,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:43:46" (3/3) ... [2023-04-01 05:43:46,419 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2023-04-01 05:43:46,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:43:46,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:43:46,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:43:46,522 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;@790b02e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:43:46,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:43:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 607 states, 315 states have (on average 1.2571428571428571) internal successors, (396), 350 states have internal predecessors, (396), 179 states have call successors, (179), 107 states have call predecessors, (179), 107 states have return successors, (179), 165 states have call predecessors, (179), 179 states have call successors, (179) [2023-04-01 05:43:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-01 05:43:46,562 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:46,563 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 05:43:46,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:46,571 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:46,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1394923380, now seen corresponding path program 1 times [2023-04-01 05:43:46,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:46,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261780725] [2023-04-01 05:43:46,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:47,495 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 05:43:47,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:47,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261780725] [2023-04-01 05:43:47,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261780725] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:43:47,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:43:47,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 05:43:47,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811565143] [2023-04-01 05:43:47,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:43:47,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 05:43:47,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:43:47,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 05:43:47,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 05:43:47,555 INFO L87 Difference]: Start difference. First operand has 607 states, 315 states have (on average 1.2571428571428571) internal successors, (396), 350 states have internal predecessors, (396), 179 states have call successors, (179), 107 states have call predecessors, (179), 107 states have return successors, (179), 165 states have call predecessors, (179), 179 states have call successors, (179) 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 05:43:47,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:43:47,972 INFO L93 Difference]: Finished difference Result 1136 states and 1426 transitions. [2023-04-01 05:43:47,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 05:43:47,974 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 05:43:47,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:43:47,996 INFO L225 Difference]: With dead ends: 1136 [2023-04-01 05:43:47,996 INFO L226 Difference]: Without dead ends: 580 [2023-04-01 05:43:48,007 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 05:43:48,013 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 3 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3345 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 05:43:48,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3345 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 05:43:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2023-04-01 05:43:48,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2023-04-01 05:43:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 302 states have (on average 1.2317880794701987) internal successors, (372), 334 states have internal predecessors, (372), 174 states have call successors, (174), 107 states have call predecessors, (174), 103 states have return successors, (169), 155 states have call predecessors, (169), 169 states have call successors, (169) [2023-04-01 05:43:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 715 transitions. [2023-04-01 05:43:48,127 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 715 transitions. Word has length 140 [2023-04-01 05:43:48,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:43:48,129 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 715 transitions. [2023-04-01 05:43:48,129 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 05:43:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 715 transitions. [2023-04-01 05:43:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 05:43:48,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:48,139 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 05:43:48,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:43:48,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:48,140 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:48,140 INFO L85 PathProgramCache]: Analyzing trace with hash 37644771, now seen corresponding path program 1 times [2023-04-01 05:43:48,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:48,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062579998] [2023-04-01 05:43:48,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:48,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:48,470 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 05:43:48,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:48,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062579998] [2023-04-01 05:43:48,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062579998] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:43:48,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:43:48,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:43:48,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81711625] [2023-04-01 05:43:48,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:43:48,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:43:48,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:43:48,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:43:48,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:43:48,474 INFO L87 Difference]: Start difference. First operand 580 states and 715 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 05:43:49,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:43:49,053 INFO L93 Difference]: Finished difference Result 1126 states and 1418 transitions. [2023-04-01 05:43:49,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:43:49,053 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 05:43:49,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:43:49,059 INFO L225 Difference]: With dead ends: 1126 [2023-04-01 05:43:49,059 INFO L226 Difference]: Without dead ends: 578 [2023-04-01 05:43:49,064 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 05:43:49,066 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 688 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 05:43:49,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 944 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 05:43:49,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2023-04-01 05:43:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2023-04-01 05:43:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 302 states have (on average 1.2152317880794703) internal successors, (367), 332 states have internal predecessors, (367), 171 states have call successors, (171), 108 states have call predecessors, (171), 104 states have return successors, (166), 154 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-01 05:43:49,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 704 transitions. [2023-04-01 05:43:49,105 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 704 transitions. Word has length 146 [2023-04-01 05:43:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:43:49,107 INFO L495 AbstractCegarLoop]: Abstraction has 578 states and 704 transitions. [2023-04-01 05:43:49,107 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 05:43:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 704 transitions. [2023-04-01 05:43:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 05:43:49,112 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:49,112 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 05:43:49,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:43:49,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:49,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash -298692158, now seen corresponding path program 1 times [2023-04-01 05:43:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:49,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222543838] [2023-04-01 05:43:49,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:49,278 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 05:43:49,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222543838] [2023-04-01 05:43:49,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222543838] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:43:49,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:43:49,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:43:49,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434921519] [2023-04-01 05:43:49,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:43:49,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:43:49,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:43:49,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:43:49,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:43:49,280 INFO L87 Difference]: Start difference. First operand 578 states and 704 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 05:43:49,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:43:49,413 INFO L93 Difference]: Finished difference Result 1119 states and 1377 transitions. [2023-04-01 05:43:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:43:49,414 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 05:43:49,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:43:49,418 INFO L225 Difference]: With dead ends: 1119 [2023-04-01 05:43:49,418 INFO L226 Difference]: Without dead ends: 577 [2023-04-01 05:43:49,420 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 05:43:49,420 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 660 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:43:49,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 674 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:43:49,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2023-04-01 05:43:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2023-04-01 05:43:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 302 states have (on average 1.2086092715231789) internal successors, (365), 331 states have internal predecessors, (365), 170 states have call successors, (170), 108 states have call predecessors, (170), 104 states have return successors, (165), 154 states have call predecessors, (165), 165 states have call successors, (165) [2023-04-01 05:43:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 700 transitions. [2023-04-01 05:43:49,453 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 700 transitions. Word has length 159 [2023-04-01 05:43:49,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:43:49,454 INFO L495 AbstractCegarLoop]: Abstraction has 577 states and 700 transitions. [2023-04-01 05:43:49,454 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 05:43:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 700 transitions. [2023-04-01 05:43:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-01 05:43:49,460 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:49,460 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 05:43:49,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:43:49,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:49,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:49,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1111950338, now seen corresponding path program 1 times [2023-04-01 05:43:49,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:49,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277093264] [2023-04-01 05:43:49,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:49,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:49,616 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 05:43:49,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:49,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277093264] [2023-04-01 05:43:49,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277093264] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:43:49,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:43:49,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 05:43:49,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893568243] [2023-04-01 05:43:49,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:43:49,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 05:43:49,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:43:49,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 05:43:49,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 05:43:49,619 INFO L87 Difference]: Start difference. First operand 577 states and 700 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 05:43:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:43:50,148 INFO L93 Difference]: Finished difference Result 1091 states and 1324 transitions. [2023-04-01 05:43:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 05:43:50,149 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 05:43:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:43:50,153 INFO L225 Difference]: With dead ends: 1091 [2023-04-01 05:43:50,153 INFO L226 Difference]: Without dead ends: 574 [2023-04-01 05:43:50,154 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 05:43:50,155 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 644 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 936 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 05:43:50,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 936 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 05:43:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-04-01 05:43:50,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2023-04-01 05:43:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 302 states have (on average 1.1721854304635762) internal successors, (354), 320 states have internal predecessors, (354), 167 states have call successors, (167), 108 states have call predecessors, (167), 104 states have return successors, (162), 154 states have call predecessors, (162), 162 states have call successors, (162) [2023-04-01 05:43:50,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 683 transitions. [2023-04-01 05:43:50,266 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 683 transitions. Word has length 160 [2023-04-01 05:43:50,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:43:50,266 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 683 transitions. [2023-04-01 05:43:50,267 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 05:43:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 683 transitions. [2023-04-01 05:43:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-01 05:43:50,269 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:50,269 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 05:43:50,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:43:50,270 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:50,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:50,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1744912619, now seen corresponding path program 1 times [2023-04-01 05:43:50,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:50,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767691172] [2023-04-01 05:43:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:50,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:50,483 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 05:43:50,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:50,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767691172] [2023-04-01 05:43:50,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767691172] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:43:50,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:43:50,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:43:50,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082419638] [2023-04-01 05:43:50,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:43:50,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:43:50,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:43:50,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:43:50,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:43:50,486 INFO L87 Difference]: Start difference. First operand 574 states and 683 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 05:43:50,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:43:50,608 INFO L93 Difference]: Finished difference Result 903 states and 1068 transitions. [2023-04-01 05:43:50,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:43:50,609 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 05:43:50,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:43:50,613 INFO L225 Difference]: With dead ends: 903 [2023-04-01 05:43:50,613 INFO L226 Difference]: Without dead ends: 576 [2023-04-01 05:43:50,614 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 05:43:50,615 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 0 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:43:50,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1248 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:43:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2023-04-01 05:43:50,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2023-04-01 05:43:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 304 states have (on average 1.1710526315789473) internal successors, (356), 322 states have internal predecessors, (356), 167 states have call successors, (167), 108 states have call predecessors, (167), 104 states have return successors, (162), 154 states have call predecessors, (162), 162 states have call successors, (162) [2023-04-01 05:43:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 685 transitions. [2023-04-01 05:43:50,651 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 685 transitions. Word has length 181 [2023-04-01 05:43:50,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:43:50,652 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 685 transitions. [2023-04-01 05:43:50,652 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 05:43:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 685 transitions. [2023-04-01 05:43:50,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-01 05:43:50,655 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:50,655 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 05:43:50,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 05:43:50,655 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:50,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:50,656 INFO L85 PathProgramCache]: Analyzing trace with hash -78578609, now seen corresponding path program 1 times [2023-04-01 05:43:50,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:50,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773011709] [2023-04-01 05:43:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:50,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:50,812 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 05:43:50,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:50,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773011709] [2023-04-01 05:43:50,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773011709] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:43:50,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:43:50,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:43:50,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564593211] [2023-04-01 05:43:50,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:43:50,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:43:50,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:43:50,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:43:50,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:43:50,814 INFO L87 Difference]: Start difference. First operand 576 states and 685 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 05:43:50,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:43:50,952 INFO L93 Difference]: Finished difference Result 1100 states and 1339 transitions. [2023-04-01 05:43:50,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:43:50,953 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 05:43:50,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:43:50,957 INFO L225 Difference]: With dead ends: 1100 [2023-04-01 05:43:50,957 INFO L226 Difference]: Without dead ends: 630 [2023-04-01 05:43:50,958 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 05:43:50,959 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 68 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:43:50,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1249 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:43:50,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2023-04-01 05:43:50,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 629. [2023-04-01 05:43:50,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 347 states have (on average 1.219020172910663) internal successors, (423), 368 states have internal predecessors, (423), 177 states have call successors, (177), 108 states have call predecessors, (177), 104 states have return successors, (172), 164 states have call predecessors, (172), 172 states have call successors, (172) [2023-04-01 05:43:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 772 transitions. [2023-04-01 05:43:50,998 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 772 transitions. Word has length 188 [2023-04-01 05:43:50,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:43:50,999 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 772 transitions. [2023-04-01 05:43:50,999 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 05:43:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 772 transitions. [2023-04-01 05:43:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-01 05:43:51,001 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:43:51,002 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 05:43:51,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 05:43:51,002 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:43:51,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:43:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash 958739056, now seen corresponding path program 1 times [2023-04-01 05:43:51,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:43:51,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920578944] [2023-04-01 05:43:51,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:51,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:43:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:51,282 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 05:43:51,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:43:51,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920578944] [2023-04-01 05:43:51,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920578944] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:43:51,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238116320] [2023-04-01 05:43:51,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:43:51,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:43:51,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:43:51,293 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 05:43:51,311 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 05:43:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:43:51,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 2838 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:43:51,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:43:51,997 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 05:43:51,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:43:52,257 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 05:43:52,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238116320] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:43:52,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [408941656] [2023-04-01 05:43:52,282 INFO L159 IcfgInterpreter]: Started Sifa with 164 locations of interest [2023-04-01 05:43:52,282 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:43:52,286 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:43:52,290 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:43:52,290 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:43:57,425 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:43:58,033 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 389 for LOIs