/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 EqDomain -i ../sv-benchmarks/c/product-lines/email_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:50:36,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:50:36,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:50:36,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:50:36,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:50:36,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:50:36,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:50:36,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:50:36,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:50:36,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:50:36,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:50:36,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:50:36,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:50:36,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:50:36,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:50:36,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:50:36,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:50:36,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:50:36,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:50:36,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:50:36,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:50:36,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:50:36,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:50:36,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:50:36,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:50:36,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:50:36,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:50:36,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:50:36,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:50:36,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:50:36,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:50:36,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:50:36,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:50:36,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:50:36,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:50:36,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:50:36,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:50:36,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:50:36,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:50:36,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:50:36,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:50:36,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 11:50:36,170 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:50:36,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:50:36,170 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:50:36,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:50:36,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:50:36,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:50:36,171 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:50:36,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:50:36,171 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:50:36,171 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:50:36,171 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:50:36,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:50:36,172 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:50:36,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:50:36,172 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:50:36,172 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:50:36,172 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:50:36,172 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:50:36,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:50:36,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:50:36,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:50:36,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:50:36,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:50:36,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:50:36,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:50:36,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:50:36,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:50:36,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:50:36,367 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:50:36,368 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:50:36,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product18.cil.c [2023-04-01 11:50:37,449 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:50:37,646 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:50:37,646 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product18.cil.c [2023-04-01 11:50:37,660 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4266c97/26f0613a6c2f4f999d3d0a8eec1aa257/FLAGa71495f8c [2023-04-01 11:50:37,675 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4266c97/26f0613a6c2f4f999d3d0a8eec1aa257 [2023-04-01 11:50:37,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:50:37,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:50:37,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:50:37,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:50:37,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:50:37,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:50:37" (1/1) ... [2023-04-01 11:50:37,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f998b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:37, skipping insertion in model container [2023-04-01 11:50:37,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:50:37" (1/1) ... [2023-04-01 11:50:37,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:50:37,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:50:38,088 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product18.cil.c[42127,42140] [2023-04-01 11:50:38,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:50:38,197 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:50:38,270 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product18.cil.c[42127,42140] [2023-04-01 11:50:38,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:50:38,321 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:50:38,326 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:50:38,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38 WrapperNode [2023-04-01 11:50:38,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:50:38,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:50:38,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:50:38,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:50:38,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,402 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:50:38,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:50:38,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:50:38,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:50:38,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (1/1) ... [2023-04-01 11:50:38,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:50:38,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:50:38,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 11:50:38,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:50:38,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:50:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:50:38,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:50:38,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:50:38,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:50:38,517 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:50:38,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-04-01 11:50:38,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:50:38,520 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:50:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:50:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:50:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:50:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:50:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:50:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:50:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:50:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:50:38,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:50:38,525 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:50:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:50:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:50:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:50:38,778 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:50:38,781 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:50:39,722 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:50:40,268 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:50:40,268 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:50:40,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:50:40 BoogieIcfgContainer [2023-04-01 11:50:40,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:50:40,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:50:40,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:50:40,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:50:40,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:50:37" (1/3) ... [2023-04-01 11:50:40,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4d87d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:50:40, skipping insertion in model container [2023-04-01 11:50:40,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:50:38" (2/3) ... [2023-04-01 11:50:40,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4d87d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:50:40, skipping insertion in model container [2023-04-01 11:50:40,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:50:40" (3/3) ... [2023-04-01 11:50:40,284 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product18.cil.c [2023-04-01 11:50:40,298 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:50:40,298 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:50:40,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:50:40,352 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;@2041fb3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:50:40,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:50:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 361 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 190 states have internal predecessors, (219), 103 states have call successors, (103), 68 states have call predecessors, (103), 68 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) [2023-04-01 11:50:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-01 11:50:40,379 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:50:40,380 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:50:40,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:50:40,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:50:40,385 INFO L85 PathProgramCache]: Analyzing trace with hash -476637907, now seen corresponding path program 1 times [2023-04-01 11:50:40,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:50:40,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342610436] [2023-04-01 11:50:40,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:50:40,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:50:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:50:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:40,835 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:50:40,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342610436] [2023-04-01 11:50:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342610436] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:50:40,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:50:40,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:50:40,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350284097] [2023-04-01 11:50:40,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:50:40,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:50:40,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:50:40,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:50:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:50:40,878 INFO L87 Difference]: Start difference. First operand has 361 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 190 states have internal predecessors, (219), 103 states have call successors, (103), 68 states have call predecessors, (103), 68 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:50:40,993 INFO L93 Difference]: Finished difference Result 498 states and 589 transitions. [2023-04-01 11:50:40,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:50:40,995 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 134 [2023-04-01 11:50:40,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:50:41,012 INFO L225 Difference]: With dead ends: 498 [2023-04-01 11:50:41,013 INFO L226 Difference]: Without dead ends: 324 [2023-04-01 11:50:41,017 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 [2023-04-01 11:50:41,020 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:50:41,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 354 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:50:41,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2023-04-01 11:50:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2023-04-01 11:50:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 171 states have internal predecessors, (199), 94 states have call successors, (94), 67 states have call predecessors, (94), 63 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-04-01 11:50:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 381 transitions. [2023-04-01 11:50:41,166 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 381 transitions. Word has length 134 [2023-04-01 11:50:41,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:50:41,167 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 381 transitions. [2023-04-01 11:50:41,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 381 transitions. [2023-04-01 11:50:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-01 11:50:41,182 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:50:41,183 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:50:41,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:50:41,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:50:41,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:50:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1490007839, now seen corresponding path program 1 times [2023-04-01 11:50:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:50:41,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690695981] [2023-04-01 11:50:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:50:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:50:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:50:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:41,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:50:41,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690695981] [2023-04-01 11:50:41,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690695981] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:50:41,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:50:41,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:50:41,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158262536] [2023-04-01 11:50:41,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:50:41,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:50:41,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:50:41,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:50:41,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:50:41,446 INFO L87 Difference]: Start difference. First operand 324 states and 381 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:41,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:50:41,542 INFO L93 Difference]: Finished difference Result 483 states and 557 transitions. [2023-04-01 11:50:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:50:41,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 135 [2023-04-01 11:50:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:50:41,546 INFO L225 Difference]: With dead ends: 483 [2023-04-01 11:50:41,546 INFO L226 Difference]: Without dead ends: 326 [2023-04-01 11:50:41,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:50:41,553 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 0 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:50:41,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 688 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:50:41,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-04-01 11:50:41,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2023-04-01 11:50:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 168 states have (on average 1.1964285714285714) internal successors, (201), 173 states have internal predecessors, (201), 94 states have call successors, (94), 67 states have call predecessors, (94), 63 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-04-01 11:50:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 383 transitions. [2023-04-01 11:50:41,578 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 383 transitions. Word has length 135 [2023-04-01 11:50:41,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:50:41,579 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 383 transitions. [2023-04-01 11:50:41,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:41,579 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 383 transitions. [2023-04-01 11:50:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 11:50:41,583 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:50:41,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:50:41,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:50:41,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:50:41,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:50:41,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1248843220, now seen corresponding path program 1 times [2023-04-01 11:50:41,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:50:41,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099808315] [2023-04-01 11:50:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:50:41,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:50:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:50:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:41,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:50:41,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099808315] [2023-04-01 11:50:41,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099808315] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:50:41,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:50:41,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:50:41,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783967281] [2023-04-01 11:50:41,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:50:41,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:50:41,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:50:41,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:50:41,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:50:41,758 INFO L87 Difference]: Start difference. First operand 326 states and 383 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:50:41,826 INFO L93 Difference]: Finished difference Result 634 states and 773 transitions. [2023-04-01 11:50:41,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:50:41,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 144 [2023-04-01 11:50:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:50:41,828 INFO L225 Difference]: With dead ends: 634 [2023-04-01 11:50:41,828 INFO L226 Difference]: Without dead ends: 366 [2023-04-01 11:50:41,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:50:41,830 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 52 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:50:41,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 690 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:50:41,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-04-01 11:50:41,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2023-04-01 11:50:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 199 states have (on average 1.271356783919598) internal successors, (253), 204 states have internal predecessors, (253), 102 states have call successors, (102), 67 states have call predecessors, (102), 63 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-01 11:50:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 451 transitions. [2023-04-01 11:50:41,845 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 451 transitions. Word has length 144 [2023-04-01 11:50:41,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:50:41,845 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 451 transitions. [2023-04-01 11:50:41,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 451 transitions. [2023-04-01 11:50:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-01 11:50:41,847 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:50:41,847 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:50:41,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:50:41,847 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:50:41,848 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:50:41,848 INFO L85 PathProgramCache]: Analyzing trace with hash -408328257, now seen corresponding path program 1 times [2023-04-01 11:50:41,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:50:41,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054912123] [2023-04-01 11:50:41,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:50:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:50:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:50:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:41,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:50:41,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054912123] [2023-04-01 11:50:41,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054912123] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:50:41,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:50:41,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:50:41,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455667895] [2023-04-01 11:50:41,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:50:41,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:50:41,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:50:41,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:50:41,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:50:41,967 INFO L87 Difference]: Start difference. First operand 365 states and 451 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:42,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:50:42,030 INFO L93 Difference]: Finished difference Result 748 states and 972 transitions. [2023-04-01 11:50:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:50:42,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 145 [2023-04-01 11:50:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:50:42,033 INFO L225 Difference]: With dead ends: 748 [2023-04-01 11:50:42,033 INFO L226 Difference]: Without dead ends: 441 [2023-04-01 11:50:42,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:50:42,035 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 50 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:50:42,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 686 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:50:42,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-04-01 11:50:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 440. [2023-04-01 11:50:42,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 259 states have (on average 1.3629343629343629) internal successors, (353), 264 states have internal predecessors, (353), 117 states have call successors, (117), 67 states have call predecessors, (117), 63 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2023-04-01 11:50:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 581 transitions. [2023-04-01 11:50:42,050 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 581 transitions. Word has length 145 [2023-04-01 11:50:42,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:50:42,050 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 581 transitions. [2023-04-01 11:50:42,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:50:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 581 transitions. [2023-04-01 11:50:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-01 11:50:42,052 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:50:42,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:50:42,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 11:50:42,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:50:42,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:50:42,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1139179191, now seen corresponding path program 1 times [2023-04-01 11:50:42,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:50:42,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065501915] [2023-04-01 11:50:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:50:42,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:50:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:50:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:42,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:50:42,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065501915] [2023-04-01 11:50:42,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065501915] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:50:42,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49373377] [2023-04-01 11:50:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:50:42,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:50:42,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:50:42,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 11:50:42,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 11:50:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:50:42,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 2192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:50:42,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:50:42,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:42,808 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:50:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:50:42,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49373377] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:50:42,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [153288872] [2023-04-01 11:50:42,987 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-01 11:50:42,988 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:50:42,990 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:50:42,994 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:50:42,994 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:50:51,662 WARN L223 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:50:56,720 WARN L223 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:50:57,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:50:58,371 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 579 for LOIs [2023-04-01 11:51:10,633 WARN L223 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 579 DAG size of output: 579 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:51:20,663 WARN L223 SmtUtils]: Spent 10.03s on a formula simplification. DAG size of input: 579 DAG size of output: 579 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:51:30,664 WARN L223 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 579 DAG size of output: 579 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:51:40,716 WARN L223 SmtUtils]: Spent 10.05s on a formula simplification. DAG size of input: 579 DAG size of output: 579 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)