/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:55:29,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:55:29,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:55:29,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:55:29,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:55:29,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:55:29,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:55:29,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:55:29,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:55:29,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:55:29,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:55:29,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:55:29,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:55:29,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:55:29,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:55:29,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:55:29,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:55:29,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:55:29,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:55:29,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:55:29,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:55:29,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:55:29,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:55:29,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:55:29,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:55:29,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:55:29,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:55:29,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:55:29,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:55:29,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:55:29,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:55:29,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:55:29,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:55:29,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:55:29,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:55:29,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:55:29,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:55:29,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:55:29,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:55:29,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:55:29,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:55:29,103 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 00:55:29,127 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:55:29,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:55:29,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:55:29,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:55:29,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:55:29,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:55:29,129 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:55:29,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:55:29,130 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:55:29,130 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:55:29,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:55:29,130 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:55:29,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:55:29,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:55:29,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:55:29,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:55:29,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:55:29,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:55:29,137 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:55:29,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:55:29,137 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:55:29,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:55:29,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:55:29,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:55:29,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:55:29,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:55:29,138 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:55:29,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:55:29,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:55:29,139 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:55:29,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:55:29,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:55:29,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:55:29,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:55:29,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:55:29,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:55:29,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:55:29,323 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:55:29,323 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:55:29,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2023-04-03 00:55:30,357 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:55:30,569 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:55:30,570 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2023-04-03 00:55:30,583 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afbe31e6/6c9c65b32e664a84aeeee34c099e8301/FLAGe8bdfc01d [2023-04-03 00:55:30,593 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5afbe31e6/6c9c65b32e664a84aeeee34c099e8301 [2023-04-03 00:55:30,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:55:30,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:55:30,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:55:30,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:55:30,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:55:30,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:55:30" (1/1) ... [2023-04-03 00:55:30,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e437b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:30, skipping insertion in model container [2023-04-03 00:55:30,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:55:30" (1/1) ... [2023-04-03 00:55:30,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:55:30,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:55:30,958 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2023-04-03 00:55:31,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:55:31,027 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:55:31,094 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c[41508,41521] [2023-04-03 00:55:31,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:55:31,152 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:55:31,158 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:55:31,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31 WrapperNode [2023-04-03 00:55:31,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:55:31,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:55:31,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:55:31,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:55:31,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,267 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:55:31,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:55:31,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:55:31,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:55:31,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (1/1) ... [2023-04-03 00:55:31,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:55:31,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:55:31,317 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 00:55:31,325 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 00:55:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:55:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:55:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:55:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:55:31,354 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:55:31,355 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:55:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:55:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:55:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:55:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:55:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:55:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:55:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:55:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:55:31,390 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:55:31,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:55:31,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:55:31,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:55:31,393 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:55:31,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:55:31,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:55:31,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:55:31,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:55:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:55:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:55:31,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:55:31,735 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:55:31,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:55:32,622 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:55:33,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:55:33,112 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:55:33,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:55:33 BoogieIcfgContainer [2023-04-03 00:55:33,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:55:33,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:55:33,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:55:33,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:55:33,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:55:30" (1/3) ... [2023-04-03 00:55:33,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78127163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:55:33, skipping insertion in model container [2023-04-03 00:55:33,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:55:31" (2/3) ... [2023-04-03 00:55:33,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78127163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:55:33, skipping insertion in model container [2023-04-03 00:55:33,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:55:33" (3/3) ... [2023-04-03 00:55:33,121 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2023-04-03 00:55:33,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:55:33,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:55:33,170 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:55:33,175 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;@64259796, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:55:33,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:55:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 402 states, 203 states have (on average 1.2019704433497538) internal successors, (244), 212 states have internal predecessors, (244), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-04-03 00:55:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 00:55:33,196 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:55:33,197 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:55:33,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:55:33,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:55:33,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1384119715, now seen corresponding path program 1 times [2023-04-03 00:55:33,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:55:33,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714898960] [2023-04-03 00:55:33,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:33,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:55:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:33,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:33,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:55:33,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714898960] [2023-04-03 00:55:33,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714898960] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:55:33,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:55:33,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:55:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866433899] [2023-04-03 00:55:33,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:55:33,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:55:33,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:55:33,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:55:33,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:55:33,665 INFO L87 Difference]: Start difference. First operand has 402 states, 203 states have (on average 1.2019704433497538) internal successors, (244), 212 states have internal predecessors, (244), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:33,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:55:33,802 INFO L93 Difference]: Finished difference Result 570 states and 674 transitions. [2023-04-03 00:55:33,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:55:33,804 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 125 [2023-04-03 00:55:33,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:55:33,820 INFO L225 Difference]: With dead ends: 570 [2023-04-03 00:55:33,820 INFO L226 Difference]: Without dead ends: 360 [2023-04-03 00:55:33,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:55:33,826 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:55:33,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 394 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:55:33,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-04-03 00:55:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-04-03 00:55:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 185 states have (on average 1.2) internal successors, (222), 191 states have internal predecessors, (222), 104 states have call successors, (104), 74 states have call predecessors, (104), 70 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-03 00:55:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2023-04-03 00:55:33,872 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 125 [2023-04-03 00:55:33,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:55:33,873 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2023-04-03 00:55:33,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2023-04-03 00:55:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-03 00:55:33,877 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:55:33,877 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:55:33,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:55:33,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:55:33,878 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:55:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1564224493, now seen corresponding path program 1 times [2023-04-03 00:55:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:55:33,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982736746] [2023-04-03 00:55:33,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:55:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:34,066 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:34,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:55:34,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982736746] [2023-04-03 00:55:34,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982736746] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:55:34,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:55:34,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:55:34,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350314720] [2023-04-03 00:55:34,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:55:34,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:55:34,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:55:34,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:55:34,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:55:34,070 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:55:34,139 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2023-04-03 00:55:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:55:34,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 126 [2023-04-03 00:55:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:55:34,142 INFO L225 Difference]: With dead ends: 555 [2023-04-03 00:55:34,142 INFO L226 Difference]: Without dead ends: 362 [2023-04-03 00:55:34,143 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 00:55:34,144 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:55:34,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 768 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:55:34,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-04-03 00:55:34,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-04-03 00:55:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 193 states have internal predecessors, (224), 104 states have call successors, (104), 74 states have call predecessors, (104), 70 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-03 00:55:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2023-04-03 00:55:34,168 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 126 [2023-04-03 00:55:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:55:34,169 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2023-04-03 00:55:34,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2023-04-03 00:55:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 00:55:34,171 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:55:34,172 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:55:34,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:55:34,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:55:34,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:55:34,172 INFO L85 PathProgramCache]: Analyzing trace with hash -901385513, now seen corresponding path program 1 times [2023-04-03 00:55:34,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:55:34,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769098260] [2023-04-03 00:55:34,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:34,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:55:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:34,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:55:34,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769098260] [2023-04-03 00:55:34,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769098260] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:55:34,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:55:34,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:55:34,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780622354] [2023-04-03 00:55:34,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:55:34,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:55:34,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:55:34,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:55:34,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:55:34,287 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:55:34,377 INFO L93 Difference]: Finished difference Result 706 states and 861 transitions. [2023-04-03 00:55:34,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:55:34,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 135 [2023-04-03 00:55:34,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:55:34,381 INFO L225 Difference]: With dead ends: 706 [2023-04-03 00:55:34,381 INFO L226 Difference]: Without dead ends: 402 [2023-04-03 00:55:34,382 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 00:55:34,383 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 52 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:55:34,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 766 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:55:34,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-04-03 00:55:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2023-04-03 00:55:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 218 states have (on average 1.2660550458715596) internal successors, (276), 224 states have internal predecessors, (276), 112 states have call successors, (112), 74 states have call predecessors, (112), 70 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:55:34,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2023-04-03 00:55:34,403 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 135 [2023-04-03 00:55:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:55:34,403 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2023-04-03 00:55:34,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2023-04-03 00:55:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 00:55:34,412 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:55:34,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:55:34,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:55:34,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:55:34,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:55:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash -501467319, now seen corresponding path program 1 times [2023-04-03 00:55:34,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:55:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001900679] [2023-04-03 00:55:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:55:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:34,591 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:55:34,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001900679] [2023-04-03 00:55:34,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001900679] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:55:34,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:55:34,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:55:34,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544410155] [2023-04-03 00:55:34,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:55:34,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:55:34,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:55:34,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:55:34,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:55:34,595 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:55:34,671 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2023-04-03 00:55:34,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:55:34,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 136 [2023-04-03 00:55:34,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:55:34,675 INFO L225 Difference]: With dead ends: 820 [2023-04-03 00:55:34,675 INFO L226 Difference]: Without dead ends: 477 [2023-04-03 00:55:34,676 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 00:55:34,682 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 50 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:55:34,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 766 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:55:34,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-04-03 00:55:34,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2023-04-03 00:55:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 278 states have (on average 1.3525179856115108) internal successors, (376), 284 states have internal predecessors, (376), 127 states have call successors, (127), 74 states have call predecessors, (127), 70 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-04-03 00:55:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2023-04-03 00:55:34,707 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 136 [2023-04-03 00:55:34,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:55:34,707 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2023-04-03 00:55:34,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,708 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2023-04-03 00:55:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-03 00:55:34,711 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:55:34,712 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:55:34,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:55:34,712 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:55:34,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:55:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1525274953, now seen corresponding path program 1 times [2023-04-03 00:55:34,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:55:34,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292633655] [2023-04-03 00:55:34,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:34,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:55:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:34,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:55:34,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292633655] [2023-04-03 00:55:34,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292633655] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:55:34,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:55:34,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:55:34,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068231216] [2023-04-03 00:55:34,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:55:34,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:55:34,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:55:34,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:55:34,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:55:34,833 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:55:34,907 INFO L93 Difference]: Finished difference Result 1039 states and 1440 transitions. [2023-04-03 00:55:34,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:55:34,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 137 [2023-04-03 00:55:34,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:55:34,911 INFO L225 Difference]: With dead ends: 1039 [2023-04-03 00:55:34,911 INFO L226 Difference]: Without dead ends: 621 [2023-04-03 00:55:34,912 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 00:55:34,917 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 48 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:55:34,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 764 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:55:34,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2023-04-03 00:55:34,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 620. [2023-04-03 00:55:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 394 states have (on average 1.4416243654822336) internal successors, (568), 400 states have internal predecessors, (568), 155 states have call successors, (155), 74 states have call predecessors, (155), 70 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2023-04-03 00:55:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 873 transitions. [2023-04-03 00:55:34,945 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 873 transitions. Word has length 137 [2023-04-03 00:55:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:55:34,945 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 873 transitions. [2023-04-03 00:55:34,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:55:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 873 transitions. [2023-04-03 00:55:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-03 00:55:34,948 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:55:34,948 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:55:34,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 00:55:34,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:55:34,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:55:34,949 INFO L85 PathProgramCache]: Analyzing trace with hash -157595730, now seen corresponding path program 1 times [2023-04-03 00:55:34,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:55:34,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893393163] [2023-04-03 00:55:34,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:34,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:55:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:35,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:55:35,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893393163] [2023-04-03 00:55:35,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893393163] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:55:35,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836446698] [2023-04-03 00:55:35,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:55:35,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:55:35,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:55:35,127 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 00:55:35,128 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 00:55:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:55:35,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:55:35,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:55:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:35,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:55:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:55:35,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836446698] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:55:35,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [682132077] [2023-04-03 00:55:35,896 INFO L159 IcfgInterpreter]: Started Sifa with 128 locations of interest [2023-04-03 00:55:35,896 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:55:35,899 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:55:35,902 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:55:35,903 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:55:39,468 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:55:40,042 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 321 for LOIs [2023-04-03 00:55:45,127 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:55:47,605 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:55:49,044 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:55:49,819 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:55:51,255 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:55:52,119 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:59:39,998 WARN L223 SmtUtils]: Spent 3.77m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:59:40,135 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs