/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_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:52:59,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:52:59,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:52:59,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:52:59,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:52:59,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:52:59,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:52:59,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:52:59,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:52:59,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:52:59,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:52:59,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:52:59,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:52:59,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:52:59,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:52:59,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:52:59,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:52:59,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:52:59,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:52:59,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:52:59,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:52:59,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:52:59,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:52:59,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:52:59,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:52:59,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:52:59,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:52:59,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:52:59,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:52:59,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:52:59,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:52:59,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:52:59,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:52:59,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:52:59,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:52:59,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:52:59,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:52:59,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:52:59,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:52:59,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:52:59,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:52:59,289 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 11:52:59,312 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:52:59,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:52:59,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:52:59,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:52:59,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:52:59,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:52:59,314 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:52:59,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:52:59,314 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:52:59,314 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:52:59,315 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:52:59,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:52:59,315 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:52:59,315 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:52:59,315 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:52:59,316 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:52:59,316 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:52:59,316 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:52:59,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:52:59,316 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:52:59,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:52:59,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:52:59,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:52:59,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:52:59,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:52:59,318 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:52:59,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:52:59,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:52:59,319 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:52:59,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:52:59,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:52:59,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:52:59,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:52:59,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:52:59,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:52:59,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:52:59,532 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:52:59,533 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:52:59,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product30.cil.c [2023-04-01 11:53:00,561 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:53:00,800 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:53:00,800 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product30.cil.c [2023-04-01 11:53:00,815 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5414d09b/0bfad2e845ad4b678a9c8946f94de1be/FLAG9d0658a31 [2023-04-01 11:53:00,825 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5414d09b/0bfad2e845ad4b678a9c8946f94de1be [2023-04-01 11:53:00,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:53:00,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:53:00,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:53:00,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:53:00,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:53:00,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:53:00" (1/1) ... [2023-04-01 11:53:00,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bc0383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:00, skipping insertion in model container [2023-04-01 11:53:00,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:53:00" (1/1) ... [2023-04-01 11:53:00,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:53:00,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:53:01,296 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_spec4_product30.cil.c[64112,64125] [2023-04-01 11:53:01,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:53:01,310 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:53:01,395 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_spec4_product30.cil.c[64112,64125] [2023-04-01 11:53:01,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:53:01,424 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:53:01,429 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:53:01,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01 WrapperNode [2023-04-01 11:53:01,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:53:01,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:53:01,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:53:01,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:53:01,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:53:01,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:53:01,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:53:01,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:53:01,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (1/1) ... [2023-04-01 11:53:01,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:53:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:53:01,594 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 11:53:01,601 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 11:53:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:53:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:53:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-01 11:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:53:01,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:53:01,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:53:01,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:53:01,629 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:53:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:53:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:53:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:53:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:53:01,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:53:01,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:53:01,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-01 11:53:01,638 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:53:01,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:53:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:53:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:53:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:53:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:53:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:53:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:53:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:53:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:53:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:53:01,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:53:01,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:53:02,025 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:53:02,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:53:02,986 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:53:03,627 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:53:03,628 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:53:03,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:53:03 BoogieIcfgContainer [2023-04-01 11:53:03,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:53:03,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:53:03,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:53:03,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:53:03,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:53:00" (1/3) ... [2023-04-01 11:53:03,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d805149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:53:03, skipping insertion in model container [2023-04-01 11:53:03,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:01" (2/3) ... [2023-04-01 11:53:03,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d805149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:53:03, skipping insertion in model container [2023-04-01 11:53:03,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:53:03" (3/3) ... [2023-04-01 11:53:03,638 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product30.cil.c [2023-04-01 11:53:03,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:53:03,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:53:03,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:53:03,714 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;@441aa11d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:53:03,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:53:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 202 states have (on average 1.202970297029703) internal successors, (243), 211 states have internal predecessors, (243), 114 states have call successors, (114), 74 states have call predecessors, (114), 74 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-04-01 11:53:03,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-01 11:53:03,741 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:03,742 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] [2023-04-01 11:53:03,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:03,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:03,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1635483207, now seen corresponding path program 1 times [2023-04-01 11:53:03,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:03,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066203450] [2023-04-01 11:53:03,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:03,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:04,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:04,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066203450] [2023-04-01 11:53:04,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066203450] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:04,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:04,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:53:04,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100514918] [2023-04-01 11:53:04,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:04,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:53:04,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:04,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:53:04,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:53:04,222 INFO L87 Difference]: Start difference. First operand has 399 states, 202 states have (on average 1.202970297029703) internal successors, (243), 211 states have internal predecessors, (243), 114 states have call successors, (114), 74 states have call predecessors, (114), 74 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:04,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:04,349 INFO L93 Difference]: Finished difference Result 564 states and 668 transitions. [2023-04-01 11:53:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:53:04,352 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 129 [2023-04-01 11:53:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:04,361 INFO L225 Difference]: With dead ends: 564 [2023-04-01 11:53:04,362 INFO L226 Difference]: Without dead ends: 357 [2023-04-01 11:53:04,368 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 11:53:04,371 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:04,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 392 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:04,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2023-04-01 11:53:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2023-04-01 11:53:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 184 states have (on average 1.201086956521739) internal successors, (221), 190 states have internal predecessors, (221), 103 states have call successors, (103), 73 states have call predecessors, (103), 69 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-01 11:53:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 422 transitions. [2023-04-01 11:53:04,422 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 422 transitions. Word has length 129 [2023-04-01 11:53:04,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:04,426 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 422 transitions. [2023-04-01 11:53:04,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 422 transitions. [2023-04-01 11:53:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-04-01 11:53:04,429 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:04,429 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] [2023-04-01 11:53:04,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:53:04,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:04,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:04,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1447800669, now seen corresponding path program 1 times [2023-04-01 11:53:04,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:04,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267946693] [2023-04-01 11:53:04,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:04,735 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:04,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267946693] [2023-04-01 11:53:04,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267946693] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:04,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:04,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:04,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505183310] [2023-04-01 11:53:04,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:04,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:04,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:04,740 INFO L87 Difference]: Start difference. First operand 357 states and 422 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:04,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:04,847 INFO L93 Difference]: Finished difference Result 549 states and 639 transitions. [2023-04-01 11:53:04,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:04,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 130 [2023-04-01 11:53:04,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:04,859 INFO L225 Difference]: With dead ends: 549 [2023-04-01 11:53:04,860 INFO L226 Difference]: Without dead ends: 359 [2023-04-01 11:53:04,865 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 11:53:04,867 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:04,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 764 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:04,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-04-01 11:53:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2023-04-01 11:53:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 186 states have (on average 1.1989247311827957) internal successors, (223), 192 states have internal predecessors, (223), 103 states have call successors, (103), 73 states have call predecessors, (103), 69 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-01 11:53:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 424 transitions. [2023-04-01 11:53:04,892 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 424 transitions. Word has length 130 [2023-04-01 11:53:04,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:04,892 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 424 transitions. [2023-04-01 11:53:04,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 424 transitions. [2023-04-01 11:53:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-01 11:53:04,894 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:04,894 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:04,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:53:04,894 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:04,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:04,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1875520573, now seen corresponding path program 1 times [2023-04-01 11:53:04,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:04,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680657246] [2023-04-01 11:53:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:04,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:05,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:05,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680657246] [2023-04-01 11:53:05,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680657246] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:05,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:05,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:05,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927948709] [2023-04-01 11:53:05,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:05,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:05,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:05,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:05,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:05,103 INFO L87 Difference]: Start difference. First operand 359 states and 424 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:05,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:05,196 INFO L93 Difference]: Finished difference Result 700 states and 855 transitions. [2023-04-01 11:53:05,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:05,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 139 [2023-04-01 11:53:05,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:05,199 INFO L225 Difference]: With dead ends: 700 [2023-04-01 11:53:05,199 INFO L226 Difference]: Without dead ends: 399 [2023-04-01 11:53:05,200 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 11:53:05,201 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 52 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:05,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 768 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:05,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-04-01 11:53:05,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 398. [2023-04-01 11:53:05,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 217 states have (on average 1.2672811059907834) internal successors, (275), 223 states have internal predecessors, (275), 111 states have call successors, (111), 73 states have call predecessors, (111), 69 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-01 11:53:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 492 transitions. [2023-04-01 11:53:05,223 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 492 transitions. Word has length 139 [2023-04-01 11:53:05,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:05,224 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 492 transitions. [2023-04-01 11:53:05,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 492 transitions. [2023-04-01 11:53:05,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-04-01 11:53:05,226 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:05,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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] [2023-04-01 11:53:05,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:53:05,226 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:05,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:05,227 INFO L85 PathProgramCache]: Analyzing trace with hash 532059949, now seen corresponding path program 1 times [2023-04-01 11:53:05,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:05,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046471331] [2023-04-01 11:53:05,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:05,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:05,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:05,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046471331] [2023-04-01 11:53:05,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046471331] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:05,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:05,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:05,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593358700] [2023-04-01 11:53:05,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:05,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:05,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:05,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:05,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:05,357 INFO L87 Difference]: Start difference. First operand 398 states and 492 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:05,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:05,446 INFO L93 Difference]: Finished difference Result 814 states and 1054 transitions. [2023-04-01 11:53:05,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:05,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 140 [2023-04-01 11:53:05,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:05,452 INFO L225 Difference]: With dead ends: 814 [2023-04-01 11:53:05,452 INFO L226 Difference]: Without dead ends: 474 [2023-04-01 11:53:05,453 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 11:53:05,460 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 50 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:05,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 764 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:05,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2023-04-01 11:53:05,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2023-04-01 11:53:05,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 277 states have (on average 1.3537906137184115) internal successors, (375), 283 states have internal predecessors, (375), 126 states have call successors, (126), 73 states have call predecessors, (126), 69 states have return successors, (121), 121 states have call predecessors, (121), 121 states have call successors, (121) [2023-04-01 11:53:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 622 transitions. [2023-04-01 11:53:05,489 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 622 transitions. Word has length 140 [2023-04-01 11:53:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:05,490 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 622 transitions. [2023-04-01 11:53:05,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:53:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 622 transitions. [2023-04-01 11:53:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 11:53:05,494 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:05,494 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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] [2023-04-01 11:53:05,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 11:53:05,494 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:05,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:05,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1283927537, now seen corresponding path program 1 times [2023-04-01 11:53:05,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:05,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063106789] [2023-04-01 11:53:05,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:05,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:05,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063106789] [2023-04-01 11:53:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063106789] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:53:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741089211] [2023-04-01 11:53:05,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:53:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:53:05,749 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 11:53:05,750 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 11:53:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:06,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 2254 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:53:06,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:53:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:06,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:53:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741089211] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:53:06,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [236176886] [2023-04-01 11:53:06,480 INFO L159 IcfgInterpreter]: Started Sifa with 130 locations of interest [2023-04-01 11:53:06,480 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:53:06,483 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:53:06,486 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:53:06,486 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:53:19,908 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 11:53:20,385 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 576 for LOIs [2023-04-01 11:53:30,993 WARN L223 SmtUtils]: Spent 8.76s on a formula simplification. DAG size of input: 576 DAG size of output: 576 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:53:39,693 WARN L223 SmtUtils]: Spent 8.70s on a formula simplification. DAG size of input: 576 DAG size of output: 576 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:53:48,309 WARN L223 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 576 DAG size of output: 576 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:53:56,841 WARN L223 SmtUtils]: Spent 8.53s on a formula simplification. DAG size of input: 576 DAG size of output: 576 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:06,797 WARN L223 SmtUtils]: Spent 8.53s on a formula simplification. DAG size of input: 576 DAG size of output: 576 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)