/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_spec9_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:58:23,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:58:23,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:58:23,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:58:23,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:58:23,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:58:23,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:58:23,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:58:23,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:58:23,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:58:23,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:58:23,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:58:23,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:58:23,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:58:23,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:58:23,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:58:23,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:58:23,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:58:23,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:58:23,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:58:23,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:58:23,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:58:23,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:58:23,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:58:23,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:58:23,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:58:23,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:58:23,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:58:23,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:58:23,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:58:23,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:58:23,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:58:23,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:58:23,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:58:23,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:58:23,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:58:23,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:58:23,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:58:23,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:58:23,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:58:23,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:58:23,554 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 11:58:23,580 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:58:23,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:58:23,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:58:23,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:58:23,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:58:23,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:58:23,581 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:58:23,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:58:23,582 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:58:23,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:58:23,582 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:58:23,583 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:58:23,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:58:23,583 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:58:23,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:58:23,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:58:23,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:58:23,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:58:23,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:58:23,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:58:23,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:58:23,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:58:23,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:58:23,802 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:58:23,802 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:58:23,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2023-04-01 11:58:25,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:58:25,314 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:58:25,315 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product15.cil.c [2023-04-01 11:58:25,334 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c371491/81ffb0b2fd8b4e18b1537fce78fd2da8/FLAG6ad9dce8f [2023-04-01 11:58:25,347 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96c371491/81ffb0b2fd8b4e18b1537fce78fd2da8 [2023-04-01 11:58:25,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:58:25,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:58:25,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:58:25,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:58:25,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:58:25,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:58:25" (1/1) ... [2023-04-01 11:58:25,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6061c068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:25, skipping insertion in model container [2023-04-01 11:58:25,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:58:25" (1/1) ... [2023-04-01 11:58:25,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:58:25,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:58:25,819 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_product15.cil.c[51080,51093] [2023-04-01 11:58:25,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:58:25,918 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:58:25,983 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_product15.cil.c[51080,51093] [2023-04-01 11:58:25,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:58:26,016 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:58:26,021 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:58:26,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26 WrapperNode [2023-04-01 11:58:26,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:58:26,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:58:26,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:58:26,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:58:26,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,129 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:58:26,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:58:26,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:58:26,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:58:26,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (1/1) ... [2023-04-01 11:58:26,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:58:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:58:26,208 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 11:58:26,214 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 11:58:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:58:26,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:58:26,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:58:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:58:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:58:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:58:26,246 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:58:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:58:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:58:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:58:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:58:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:58:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:58:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:58:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:58:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:58:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:58:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:58:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:58:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:58:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:58:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:58:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:58:26,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:58:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:58:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:58:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:58:26,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:58:26,252 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-01 11:58:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:58:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:58:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:58:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:58:26,253 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:58:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:58:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:58:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:58:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:58:26,254 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:58:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 11:58:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 11:58:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:58:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:58:26,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:58:26,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:58:26,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:58:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:58:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:58:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:58:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:58:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:58:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:58:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:58:26,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:58:26,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:58:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:58:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:58:26,260 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:58:26,261 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:58:26,262 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:58:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:58:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:58:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:58:26,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:58:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:58:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:58:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:58:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:58:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:58:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:58:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:58:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:58:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:58:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:58:26,585 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:58:26,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:58:27,575 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:58:28,229 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:58:28,229 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:58:28,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:58:28 BoogieIcfgContainer [2023-04-01 11:58:28,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:58:28,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:58:28,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:58:28,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:58:28,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:58:25" (1/3) ... [2023-04-01 11:58:28,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63376e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:58:28, skipping insertion in model container [2023-04-01 11:58:28,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:58:26" (2/3) ... [2023-04-01 11:58:28,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63376e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:58:28, skipping insertion in model container [2023-04-01 11:58:28,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:58:28" (3/3) ... [2023-04-01 11:58:28,243 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product15.cil.c [2023-04-01 11:58:28,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:58:28,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:58:28,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:58:28,309 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;@4dbf73c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:58:28,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:58:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 344 states, 174 states have (on average 1.206896551724138) internal successors, (210), 181 states have internal predecessors, (210), 98 states have call successors, (98), 65 states have call predecessors, (98), 65 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-01 11:58:28,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 11:58:28,335 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:58:28,336 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] [2023-04-01 11:58:28,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:58:28,341 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:58:28,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1609205395, now seen corresponding path program 1 times [2023-04-01 11:58:28,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:58:28,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004131393] [2023-04-01 11:58:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:58:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:58:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:58:28,775 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 11:58:28,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:58:28,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004131393] [2023-04-01 11:58:28,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004131393] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:58:28,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:58:28,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:58:28,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829264381] [2023-04-01 11:58:28,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:58:28,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:58:28,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:58:28,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:58:28,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:58:28,813 INFO L87 Difference]: Start difference. First operand has 344 states, 174 states have (on average 1.206896551724138) internal successors, (210), 181 states have internal predecessors, (210), 98 states have call successors, (98), 65 states have call predecessors, (98), 65 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:28,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:58:28,938 INFO L93 Difference]: Finished difference Result 454 states and 535 transitions. [2023-04-01 11:58:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:58:28,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-01 11:58:28,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:58:28,957 INFO L225 Difference]: With dead ends: 454 [2023-04-01 11:58:28,957 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 11:58:28,960 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 11:58:28,964 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:58:28,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 331 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:58:28,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 11:58:29,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2023-04-01 11:58:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 154 states have (on average 1.2012987012987013) internal successors, (185), 158 states have internal predecessors, (185), 88 states have call successors, (88), 63 states have call predecessors, (88), 59 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-04-01 11:58:29,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 356 transitions. [2023-04-01 11:58:29,028 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 356 transitions. Word has length 114 [2023-04-01 11:58:29,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:58:29,030 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 356 transitions. [2023-04-01 11:58:29,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 356 transitions. [2023-04-01 11:58:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 11:58:29,034 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:58:29,034 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] [2023-04-01 11:58:29,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:58:29,034 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:58:29,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:58:29,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1584684960, now seen corresponding path program 1 times [2023-04-01 11:58:29,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:58:29,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564949522] [2023-04-01 11:58:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:58:29,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:58:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:58:29,307 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 11:58:29,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:58:29,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564949522] [2023-04-01 11:58:29,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564949522] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:58:29,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:58:29,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:58:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067447027] [2023-04-01 11:58:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:58:29,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:58:29,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:58:29,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:58:29,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:58:29,311 INFO L87 Difference]: Start difference. First operand 302 states and 356 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:58:29,455 INFO L93 Difference]: Finished difference Result 439 states and 507 transitions. [2023-04-01 11:58:29,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:58:29,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-01 11:58:29,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:58:29,458 INFO L225 Difference]: With dead ends: 439 [2023-04-01 11:58:29,458 INFO L226 Difference]: Without dead ends: 304 [2023-04-01 11:58:29,459 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 11:58:29,460 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:58:29,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 642 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:58:29,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-04-01 11:58:29,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2023-04-01 11:58:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 160 states have internal predecessors, (187), 88 states have call successors, (88), 63 states have call predecessors, (88), 59 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2023-04-01 11:58:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 358 transitions. [2023-04-01 11:58:29,475 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 358 transitions. Word has length 115 [2023-04-01 11:58:29,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:58:29,475 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 358 transitions. [2023-04-01 11:58:29,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 358 transitions. [2023-04-01 11:58:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-01 11:58:29,477 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:58:29,477 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] [2023-04-01 11:58:29,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:58:29,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:58:29,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:58:29,478 INFO L85 PathProgramCache]: Analyzing trace with hash 711596084, now seen corresponding path program 1 times [2023-04-01 11:58:29,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:58:29,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396312526] [2023-04-01 11:58:29,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:58:29,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:58:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:58:29,630 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 11:58:29,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:58:29,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396312526] [2023-04-01 11:58:29,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396312526] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:58:29,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:58:29,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:58:29,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592941020] [2023-04-01 11:58:29,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:58:29,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:58:29,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:58:29,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:58:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:58:29,635 INFO L87 Difference]: Start difference. First operand 304 states and 358 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:58:29,733 INFO L93 Difference]: Finished difference Result 590 states and 723 transitions. [2023-04-01 11:58:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:58:29,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 124 [2023-04-01 11:58:29,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:58:29,736 INFO L225 Difference]: With dead ends: 590 [2023-04-01 11:58:29,736 INFO L226 Difference]: Without dead ends: 344 [2023-04-01 11:58:29,737 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 11:58:29,738 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 52 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:58:29,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 644 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:58:29,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-04-01 11:58:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 343. [2023-04-01 11:58:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 187 states have (on average 1.2780748663101604) internal successors, (239), 191 states have internal predecessors, (239), 96 states have call successors, (96), 63 states have call predecessors, (96), 59 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-01 11:58:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 426 transitions. [2023-04-01 11:58:29,755 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 426 transitions. Word has length 124 [2023-04-01 11:58:29,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:58:29,755 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 426 transitions. [2023-04-01 11:58:29,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,756 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 426 transitions. [2023-04-01 11:58:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 11:58:29,757 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:58:29,757 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] [2023-04-01 11:58:29,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:58:29,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:58:29,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:58:29,758 INFO L85 PathProgramCache]: Analyzing trace with hash 120544054, now seen corresponding path program 1 times [2023-04-01 11:58:29,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:58:29,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498537602] [2023-04-01 11:58:29,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:58:29,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:58:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:58:29,858 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 11:58:29,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:58:29,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498537602] [2023-04-01 11:58:29,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498537602] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:58:29,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:58:29,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:58:29,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286268650] [2023-04-01 11:58:29,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:58:29,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:58:29,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:58:29,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:58:29,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:58:29,861 INFO L87 Difference]: Start difference. First operand 343 states and 426 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:58:29,926 INFO L93 Difference]: Finished difference Result 704 states and 922 transitions. [2023-04-01 11:58:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:58:29,926 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 125 [2023-04-01 11:58:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:58:29,928 INFO L225 Difference]: With dead ends: 704 [2023-04-01 11:58:29,929 INFO L226 Difference]: Without dead ends: 419 [2023-04-01 11:58:29,930 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 11:58:29,930 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 50 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:58:29,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 640 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:58:29,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2023-04-01 11:58:29,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 418. [2023-04-01 11:58:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 247 states have (on average 1.3724696356275303) internal successors, (339), 251 states have internal predecessors, (339), 111 states have call successors, (111), 63 states have call predecessors, (111), 59 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-01 11:58:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 556 transitions. [2023-04-01 11:58:29,949 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 556 transitions. Word has length 125 [2023-04-01 11:58:29,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:58:29,950 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 556 transitions. [2023-04-01 11:58:29,950 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, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:58:29,950 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 556 transitions. [2023-04-01 11:58:29,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 11:58:29,952 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:58:29,952 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] [2023-04-01 11:58:29,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 11:58:29,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:58:29,953 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:58:29,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2109072113, now seen corresponding path program 1 times [2023-04-01 11:58:29,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:58:29,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922483877] [2023-04-01 11:58:29,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:58:29,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:58:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:58:30,119 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 11:58:30,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:58:30,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922483877] [2023-04-01 11:58:30,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922483877] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:58:30,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95700849] [2023-04-01 11:58:30,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:58:30,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:58:30,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:58:30,123 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 11:58:30,150 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 11:58:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:58:30,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:58:30,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:58:30,683 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 11:58:30,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:58:30,845 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 11:58:30,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95700849] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:58:30,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1140736813] [2023-04-01 11:58:30,882 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-01 11:58:30,882 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:58:30,885 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:58:30,889 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:58:30,889 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:58:39,409 WARN L223 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 490 DAG size of output: 490 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:44,665 WARN L223 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 490 DAG size of output: 490 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:45,737 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:58:46,252 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 568 for LOIs [2023-04-01 11:58:57,806 WARN L223 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 568 DAG size of output: 568 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:59:07,801 WARN L223 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 568 DAG size of output: 568 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:59:17,721 WARN L223 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 568 DAG size of output: 568 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:59:27,178 WARN L223 SmtUtils]: Spent 9.45s on a formula simplification. DAG size of input: 568 DAG size of output: 568 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)