/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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:28:08,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:28:08,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:28:08,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:28:08,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:28:08,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:28:08,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:28:08,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:28:08,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:28:08,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:28:08,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:28:08,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:28:08,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:28:08,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:28:08,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:28:08,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:28:08,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:28:08,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:28:08,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:28:08,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:28:08,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:28:08,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:28:08,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:28:08,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:28:08,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:28:08,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:28:08,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:28:08,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:28:08,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:28:08,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:28:08,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:28:08,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:28:08,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:28:08,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:28:08,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:28:08,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:28:08,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:28:08,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:28:08,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:28:08,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:28:08,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:28:08,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:28:08,163 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:28:08,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:28:08,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:28:08,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:28:08,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:28:08,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:28:08,165 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:28:08,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:28:08,165 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:28:08,165 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:28:08,165 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:28:08,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:28:08,166 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:28:08,166 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:28:08,166 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:28:08,166 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:28:08,166 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:28:08,166 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:28:08,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:28:08,167 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:28:08,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:28:08,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:28:08,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:28:08,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:28:08,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:28:08,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:28:08,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:28:08,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:28:08,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:28:08,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:28:08,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:28:08,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:28:08,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:28:08,394 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:28:08,395 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:28:08,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2023-04-03 00:28:09,563 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:28:09,870 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:28:09,871 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2023-04-03 00:28:09,893 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70093d296/8190c87d9d0a489aa0f4b41bc02371db/FLAGfd5256c0d [2023-04-03 00:28:09,904 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70093d296/8190c87d9d0a489aa0f4b41bc02371db [2023-04-03 00:28:09,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:28:09,907 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:28:09,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:28:09,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:28:09,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:28:09,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:28:09" (1/1) ... [2023-04-03 00:28:09,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e47177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:09, skipping insertion in model container [2023-04-03 00:28:09,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:28:09" (1/1) ... [2023-04-03 00:28:09,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:28:09,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:28:10,173 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_spec3_productSimulator.cil.c[9250,9263] [2023-04-03 00:28:10,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:28:10,554 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:28:10,582 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_spec3_productSimulator.cil.c[9250,9263] [2023-04-03 00:28:10,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:28:10,692 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:28:10,698 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:28:10,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10 WrapperNode [2023-04-03 00:28:10,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:28:10,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:28:10,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:28:10,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:28:10,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:28:10,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:28:10,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:28:10,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:28:10,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (1/1) ... [2023-04-03 00:28:10,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:28:10,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:28:10,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:28:10,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:28:10,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:28:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:28:10,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:28:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:28:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-03 00:28:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-03 00:28:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-03 00:28:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:28:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:28:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:28:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:28:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:28:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:28:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-03 00:28:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-03 00:28:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:28:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:28:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-03 00:28:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-03 00:28:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-03 00:28:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-03 00:28:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-03 00:28:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-03 00:28:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-03 00:28:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-03 00:28:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:28:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:28:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:28:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:28:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:28:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:28:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:28:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:28:10,985 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:28:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:28:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:28:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:28:10,986 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:28:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:28:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:28:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:28:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:28:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:28:10,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:28:10,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:28:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:28:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:28:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:28:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:28:10,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:28:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:28:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:28:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:28:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:28:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:28:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:28:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:28:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:28:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:28:10,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:28:10,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:28:10,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-03 00:28:10,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-03 00:28:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:28:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-03 00:28:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-03 00:28:10,995 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:28:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:28:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:28:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:28:10,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:28:11,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:28:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:28:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:28:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:28:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:28:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:28:11,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-04-03 00:28:11,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-04-03 00:28:11,004 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:28:11,005 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-03 00:28:11,006 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:28:11,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:28:11,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:28:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:28:11,010 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:28:11,011 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-04-03 00:28:11,012 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-03 00:28:11,013 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:28:11,014 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:28:11,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:28:11,016 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:28:11,017 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:28:11,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:28:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:28:11,411 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:28:11,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:28:12,783 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:28:13,588 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:28:13,588 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:28:13,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:28:13 BoogieIcfgContainer [2023-04-03 00:28:13,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:28:13,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:28:13,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:28:13,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:28:13,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:28:09" (1/3) ... [2023-04-03 00:28:13,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbcf1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:28:13, skipping insertion in model container [2023-04-03 00:28:13,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:28:10" (2/3) ... [2023-04-03 00:28:13,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbcf1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:28:13, skipping insertion in model container [2023-04-03 00:28:13,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:28:13" (3/3) ... [2023-04-03 00:28:13,600 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2023-04-03 00:28:13,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:28:13,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:28:13,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:28:13,697 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;@75d1dd2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:28:13,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:28:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 618 states, 320 states have (on average 1.25625) internal successors, (402), 356 states have internal predecessors, (402), 184 states have call successors, (184), 108 states have call predecessors, (184), 108 states have return successors, (184), 169 states have call predecessors, (184), 184 states have call successors, (184) [2023-04-03 00:28:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-03 00:28:13,738 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:13,740 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, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:13,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:13,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1364815944, now seen corresponding path program 1 times [2023-04-03 00:28:13,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:13,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308514626] [2023-04-03 00:28:13,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:13,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-03 00:28:14,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:14,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308514626] [2023-04-03 00:28:14,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308514626] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:28:14,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:28:14,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:28:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060799059] [2023-04-03 00:28:14,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:28:14,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:28:14,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:28:14,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:28:14,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:28:14,768 INFO L87 Difference]: Start difference. First operand has 618 states, 320 states have (on average 1.25625) internal successors, (402), 356 states have internal predecessors, (402), 184 states have call successors, (184), 108 states have call predecessors, (184), 108 states have return successors, (184), 169 states have call predecessors, (184), 184 states have call successors, (184) Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:28:15,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:28:15,125 INFO L93 Difference]: Finished difference Result 1158 states and 1464 transitions. [2023-04-03 00:28:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 00:28:15,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 166 [2023-04-03 00:28:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:28:15,154 INFO L225 Difference]: With dead ends: 1158 [2023-04-03 00:28:15,155 INFO L226 Difference]: Without dead ends: 591 [2023-04-03 00:28:15,163 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 [2023-04-03 00:28:15,168 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 3 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 00:28:15,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3415 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 00:28:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-04-03 00:28:15,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2023-04-03 00:28:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 307 states have (on average 1.231270358306189) internal successors, (378), 340 states have internal predecessors, (378), 179 states have call successors, (179), 108 states have call predecessors, (179), 104 states have return successors, (173), 159 states have call predecessors, (173), 173 states have call successors, (173) [2023-04-03 00:28:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 730 transitions. [2023-04-03 00:28:15,325 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 730 transitions. Word has length 166 [2023-04-03 00:28:15,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:28:15,326 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 730 transitions. [2023-04-03 00:28:15,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 00:28:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 730 transitions. [2023-04-03 00:28:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-03 00:28:15,330 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:15,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:15,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:28:15,331 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:15,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash -25861476, now seen corresponding path program 1 times [2023-04-03 00:28:15,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:15,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492293996] [2023-04-03 00:28:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-03 00:28:15,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:15,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492293996] [2023-04-03 00:28:15,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492293996] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:28:15,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:28:15,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 00:28:15,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755986644] [2023-04-03 00:28:15,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:28:15,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 00:28:15,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:28:15,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 00:28:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 00:28:15,620 INFO L87 Difference]: Start difference. First operand 591 states and 730 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-03 00:28:16,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:28:16,221 INFO L93 Difference]: Finished difference Result 1144 states and 1434 transitions. [2023-04-03 00:28:16,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 00:28:16,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 172 [2023-04-03 00:28:16,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:28:16,229 INFO L225 Difference]: With dead ends: 1144 [2023-04-03 00:28:16,229 INFO L226 Difference]: Without dead ends: 591 [2023-04-03 00:28:16,235 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 [2023-04-03 00:28:16,237 INFO L413 NwaCegarLoop]: 659 mSDtfsCounter, 713 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 00:28:16,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 971 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 00:28:16,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-04-03 00:28:16,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2023-04-03 00:28:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 308 states have (on average 1.2175324675324675) internal successors, (375), 339 states have internal predecessors, (375), 177 states have call successors, (177), 109 states have call predecessors, (177), 105 states have return successors, (171), 159 states have call predecessors, (171), 171 states have call successors, (171) [2023-04-03 00:28:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 723 transitions. [2023-04-03 00:28:16,296 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 723 transitions. Word has length 172 [2023-04-03 00:28:16,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:28:16,297 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 723 transitions. [2023-04-03 00:28:16,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-03 00:28:16,298 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 723 transitions. [2023-04-03 00:28:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-03 00:28:16,305 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:16,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:16,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:28:16,305 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:16,306 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:16,306 INFO L85 PathProgramCache]: Analyzing trace with hash -928932239, now seen corresponding path program 1 times [2023-04-03 00:28:16,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:16,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590114774] [2023-04-03 00:28:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-03 00:28:16,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:16,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590114774] [2023-04-03 00:28:16,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590114774] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:28:16,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:28:16,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:28:16,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079905004] [2023-04-03 00:28:16,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:28:16,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:28:16,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:28:16,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:28:16,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:28:16,489 INFO L87 Difference]: Start difference. First operand 591 states and 723 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:28:16,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:28:16,630 INFO L93 Difference]: Finished difference Result 1138 states and 1412 transitions. [2023-04-03 00:28:16,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:28:16,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 185 [2023-04-03 00:28:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:28:16,635 INFO L225 Difference]: With dead ends: 1138 [2023-04-03 00:28:16,635 INFO L226 Difference]: Without dead ends: 589 [2023-04-03 00:28:16,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:28:16,643 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 667 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:28:16,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 696 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:28:16,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-04-03 00:28:16,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2023-04-03 00:28:16,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 308 states have (on average 1.2077922077922079) internal successors, (372), 337 states have internal predecessors, (372), 175 states have call successors, (175), 109 states have call predecessors, (175), 105 states have return successors, (169), 159 states have call predecessors, (169), 169 states have call successors, (169) [2023-04-03 00:28:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 716 transitions. [2023-04-03 00:28:16,680 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 716 transitions. Word has length 185 [2023-04-03 00:28:16,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:28:16,682 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 716 transitions. [2023-04-03 00:28:16,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:28:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 716 transitions. [2023-04-03 00:28:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-03 00:28:16,685 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:16,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:16,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:28:16,686 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:16,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:16,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2142318496, now seen corresponding path program 1 times [2023-04-03 00:28:16,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:16,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605877429] [2023-04-03 00:28:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:16,867 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-04-03 00:28:16,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:16,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605877429] [2023-04-03 00:28:16,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605877429] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:28:16,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:28:16,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 00:28:16,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842429128] [2023-04-03 00:28:16,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:28:16,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 00:28:16,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:28:16,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 00:28:16,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 00:28:16,870 INFO L87 Difference]: Start difference. First operand 589 states and 716 transitions. Second operand has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 4 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-04-03 00:28:17,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:28:17,386 INFO L93 Difference]: Finished difference Result 1123 states and 1363 transitions. [2023-04-03 00:28:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-03 00:28:17,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 4 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 186 [2023-04-03 00:28:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:28:17,390 INFO L225 Difference]: With dead ends: 1123 [2023-04-03 00:28:17,390 INFO L226 Difference]: Without dead ends: 594 [2023-04-03 00:28:17,392 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 [2023-04-03 00:28:17,393 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 659 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 00:28:17,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 976 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 00:28:17,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2023-04-03 00:28:17,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 588. [2023-04-03 00:28:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 309 states have (on average 1.1715210355987056) internal successors, (362), 327 states have internal predecessors, (362), 172 states have call successors, (172), 110 states have call predecessors, (172), 106 states have return successors, (166), 159 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-03 00:28:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 700 transitions. [2023-04-03 00:28:17,434 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 700 transitions. Word has length 186 [2023-04-03 00:28:17,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:28:17,435 INFO L495 AbstractCegarLoop]: Abstraction has 588 states and 700 transitions. [2023-04-03 00:28:17,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 4 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2023-04-03 00:28:17,435 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 700 transitions. [2023-04-03 00:28:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-03 00:28:17,441 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:17,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:17,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:28:17,442 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:17,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:17,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1058642039, now seen corresponding path program 1 times [2023-04-03 00:28:17,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:17,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483303358] [2023-04-03 00:28:17,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-03 00:28:17,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:17,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483303358] [2023-04-03 00:28:17,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483303358] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:28:17,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:28:17,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:28:17,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955178497] [2023-04-03 00:28:17,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:28:17,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:28:17,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:28:17,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:28:17,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:28:17,751 INFO L87 Difference]: Start difference. First operand 588 states and 700 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 00:28:17,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:28:17,869 INFO L93 Difference]: Finished difference Result 929 states and 1101 transitions. [2023-04-03 00:28:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:28:17,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 207 [2023-04-03 00:28:17,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:28:17,874 INFO L225 Difference]: With dead ends: 929 [2023-04-03 00:28:17,874 INFO L226 Difference]: Without dead ends: 590 [2023-04-03 00:28:17,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:28:17,878 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 0 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1278 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:28:17,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1278 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:28:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2023-04-03 00:28:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2023-04-03 00:28:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 311 states have (on average 1.1704180064308682) internal successors, (364), 329 states have internal predecessors, (364), 172 states have call successors, (172), 110 states have call predecessors, (172), 106 states have return successors, (166), 159 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-03 00:28:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 702 transitions. [2023-04-03 00:28:17,918 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 702 transitions. Word has length 207 [2023-04-03 00:28:17,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:28:17,920 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 702 transitions. [2023-04-03 00:28:17,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 00:28:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 702 transitions. [2023-04-03 00:28:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-03 00:28:17,923 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:17,924 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:17,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 00:28:17,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:17,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:17,924 INFO L85 PathProgramCache]: Analyzing trace with hash 806053915, now seen corresponding path program 1 times [2023-04-03 00:28:17,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:17,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914290095] [2023-04-03 00:28:17,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:17,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-03 00:28:18,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:18,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914290095] [2023-04-03 00:28:18,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914290095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:28:18,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:28:18,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:28:18,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618724455] [2023-04-03 00:28:18,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:28:18,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:28:18,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:28:18,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:28:18,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:28:18,112 INFO L87 Difference]: Start difference. First operand 590 states and 702 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 00:28:18,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:28:18,233 INFO L93 Difference]: Finished difference Result 1126 states and 1372 transitions. [2023-04-03 00:28:18,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:28:18,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 214 [2023-04-03 00:28:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:28:18,237 INFO L225 Difference]: With dead ends: 1126 [2023-04-03 00:28:18,237 INFO L226 Difference]: Without dead ends: 644 [2023-04-03 00:28:18,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:28:18,240 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 68 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:28:18,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 1279 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:28:18,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2023-04-03 00:28:18,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 643. [2023-04-03 00:28:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 354 states have (on average 1.2175141242937852) internal successors, (431), 375 states have internal predecessors, (431), 182 states have call successors, (182), 110 states have call predecessors, (182), 106 states have return successors, (176), 169 states have call predecessors, (176), 176 states have call successors, (176) [2023-04-03 00:28:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 789 transitions. [2023-04-03 00:28:18,279 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 789 transitions. Word has length 214 [2023-04-03 00:28:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:28:18,280 INFO L495 AbstractCegarLoop]: Abstraction has 643 states and 789 transitions. [2023-04-03 00:28:18,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-03 00:28:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 789 transitions. [2023-04-03 00:28:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-04-03 00:28:18,283 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:28:18,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:28:18,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 00:28:18,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:28:18,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:28:18,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1240752033, now seen corresponding path program 1 times [2023-04-03 00:28:18,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:28:18,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790448468] [2023-04-03 00:28:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:28:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-03 00:28:18,586 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:28:18,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790448468] [2023-04-03 00:28:18,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790448468] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:28:18,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597601445] [2023-04-03 00:28:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:28:18,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:28:18,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:28:18,593 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:28:18,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:28:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:28:19,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 3084 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:28:19,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:28:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-03 00:28:19,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:28:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-04-03 00:28:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597601445] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:28:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1164097373] [2023-04-03 00:28:19,667 INFO L159 IcfgInterpreter]: Started Sifa with 190 locations of interest [2023-04-03 00:28:19,667 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:28:19,671 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:28:19,675 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:28:19,675 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:28:24,649 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:28:25,264 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 389 for LOIs