/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_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:47:51,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:47:51,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:47:51,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:47:51,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:47:51,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:47:51,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:47:51,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:47:51,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:47:51,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:47:51,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:47:51,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:47:51,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:47:51,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:47:51,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:47:51,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:47:51,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:47:51,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:47:51,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:47:51,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:47:51,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:47:51,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:47:51,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:47:51,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:47:51,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:47:51,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:47:51,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:47:51,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:47:51,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:47:51,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:47:51,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:47:51,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:47:51,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:47:51,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:47:51,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:47:51,837 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:47:51,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:47:51,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:47:51,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:47:51,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:47:51,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:47:51,842 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 11:47:51,868 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:47:51,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:47:51,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:47:51,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:47:51,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:47:51,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:47:51,869 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:47:51,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:47:51,869 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:47:51,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:47:51,869 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:47:51,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:47:51,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:47:51,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:47:51,870 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:47:51,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:47:51,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:47:51,870 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:47:51,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:47:51,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:47:51,872 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:47:51,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:47:51,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:47:51,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:47:51,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:47:51,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:47:51,872 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:47:51,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:47:51,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:47:51,876 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:47:51,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:47:51,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:47:51,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:47:51,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:47:52,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:47:52,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:47:52,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:47:52,098 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:47:52,099 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:47:52,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2023-04-01 11:47:53,211 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:47:53,412 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:47:53,412 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2023-04-01 11:47:53,435 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e40506ee7/c9e02d0ac694485780cbd5c289161798/FLAG32a309391 [2023-04-01 11:47:53,446 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e40506ee7/c9e02d0ac694485780cbd5c289161798 [2023-04-01 11:47:53,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:47:53,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:47:53,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:47:53,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:47:53,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:47:53,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:53,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535664dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53, skipping insertion in model container [2023-04-01 11:47:53,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:53,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:47:53,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:47:53,759 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_spec1_product22.cil.c[33239,33252] [2023-04-01 11:47:53,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:47:53,841 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:47:53,887 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_spec1_product22.cil.c[33239,33252] [2023-04-01 11:47:53,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:47:53,926 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:47:53,931 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:47:53,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53 WrapperNode [2023-04-01 11:47:53,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:47:53,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:47:53,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:47:53,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:47:53,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:53,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:53,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:53,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:54,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:54,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:54,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:54,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:54,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:47:54,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:47:54,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:47:54,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:47:54,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (1/1) ... [2023-04-01 11:47:54,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:47:54,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:47:54,139 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 11:47:54,161 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 11:47:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:47:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:47:54,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:47:54,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:47:54,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:47:54,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:47:54,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:47:54,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:47:54,190 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:47:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 11:47:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:47:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:47:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:47:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:47:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:47:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:47:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:47:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:47:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:47:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:47:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:47:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:47:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:47:54,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:47:54,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:47:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:47:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:47:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:47:54,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:47:54,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:47:54,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:47:54,199 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 11:47:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:47:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:47:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:47:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:47:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:47:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:47:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:47:54,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:47:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:47:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:47:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:47:54,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:47:54,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:47:54,208 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:47:54,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:47:54,210 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:47:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:47:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:47:54,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:47:54,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:47:54,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 11:47:54,214 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:47:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:47:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-01 11:47:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 11:47:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:47:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:47:54,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:47:54,466 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:47:54,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:47:55,450 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:47:55,980 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:47:55,980 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:47:55,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:47:55 BoogieIcfgContainer [2023-04-01 11:47:55,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:47:55,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:47:55,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:47:55,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:47:55,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:47:53" (1/3) ... [2023-04-01 11:47:55,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40536f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:47:55, skipping insertion in model container [2023-04-01 11:47:55,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:47:53" (2/3) ... [2023-04-01 11:47:55,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40536f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:47:55, skipping insertion in model container [2023-04-01 11:47:55,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:47:55" (3/3) ... [2023-04-01 11:47:55,994 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2023-04-01 11:47:56,008 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:47:56,008 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:47:56,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:47:56,066 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;@3a94cd26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:47:56,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:47:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 372 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 195 states have internal predecessors, (224), 108 states have call successors, (108), 72 states have call predecessors, (108), 72 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-01 11:47:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 11:47:56,094 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:47:56,095 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 11:47:56,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:47:56,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:47:56,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1740318570, now seen corresponding path program 1 times [2023-04-01 11:47:56,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:47:56,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702279303] [2023-04-01 11:47:56,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:47:56,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:47:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:47:56,543 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 11:47:56,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:47:56,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702279303] [2023-04-01 11:47:56,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702279303] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:47:56,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:47:56,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:47:56,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378717768] [2023-04-01 11:47:56,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:47:56,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:47:56,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:47:56,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:47:56,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:47:56,575 INFO L87 Difference]: Start difference. First operand has 372 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 195 states have internal predecessors, (224), 108 states have call successors, (108), 72 states have call predecessors, (108), 72 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) 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 11:47:56,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:47:56,710 INFO L93 Difference]: Finished difference Result 545 states and 644 transitions. [2023-04-01 11:47:56,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:47:56,712 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 11:47:56,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:47:56,729 INFO L225 Difference]: With dead ends: 545 [2023-04-01 11:47:56,729 INFO L226 Difference]: Without dead ends: 351 [2023-04-01 11:47:56,733 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 11:47:56,735 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 384 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 11:47:56,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 384 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:47:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-04-01 11:47:56,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2023-04-01 11:47:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 178 states have (on average 1.1853932584269662) internal successors, (211), 183 states have internal predecessors, (211), 104 states have call successors, (104), 72 states have call predecessors, (104), 68 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-01 11:47:56,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 414 transitions. [2023-04-01 11:47:56,816 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 414 transitions. Word has length 114 [2023-04-01 11:47:56,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:47:56,818 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 414 transitions. [2023-04-01 11:47:56,818 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 11:47:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 414 transitions. [2023-04-01 11:47:56,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 11:47:56,823 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:47:56,823 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 11:47:56,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:47:56,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:47:56,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:47:56,825 INFO L85 PathProgramCache]: Analyzing trace with hash -776012556, now seen corresponding path program 1 times [2023-04-01 11:47:56,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:47:56,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821617911] [2023-04-01 11:47:56,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:47:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:47:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:47:57,078 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 11:47:57,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:47:57,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821617911] [2023-04-01 11:47:57,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821617911] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:47:57,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:47:57,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:47:57,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237982823] [2023-04-01 11:47:57,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:47:57,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:47:57,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:47:57,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:47:57,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:47:57,082 INFO L87 Difference]: Start difference. First operand 351 states and 414 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 11:47:57,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:47:57,186 INFO L93 Difference]: Finished difference Result 530 states and 616 transitions. [2023-04-01 11:47:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:47:57,187 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 11:47:57,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:47:57,189 INFO L225 Difference]: With dead ends: 530 [2023-04-01 11:47:57,189 INFO L226 Difference]: Without dead ends: 353 [2023-04-01 11:47:57,195 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 11:47:57,198 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 0 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 748 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 11:47:57,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 748 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:47:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2023-04-01 11:47:57,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2023-04-01 11:47:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 180 states have (on average 1.1833333333333333) internal successors, (213), 185 states have internal predecessors, (213), 104 states have call successors, (104), 72 states have call predecessors, (104), 68 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-01 11:47:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 416 transitions. [2023-04-01 11:47:57,221 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 416 transitions. Word has length 115 [2023-04-01 11:47:57,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:47:57,222 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 416 transitions. [2023-04-01 11:47:57,222 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 11:47:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 416 transitions. [2023-04-01 11:47:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-01 11:47:57,228 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:47:57,228 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] [2023-04-01 11:47:57,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:47:57,228 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:47:57,228 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:47:57,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1395076275, now seen corresponding path program 1 times [2023-04-01 11:47:57,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:47:57,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015727892] [2023-04-01 11:47:57,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:47:57,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:47:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:47:57,375 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 11:47:57,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:47:57,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015727892] [2023-04-01 11:47:57,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015727892] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:47:57,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:47:57,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:47:57,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119812321] [2023-04-01 11:47:57,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:47:57,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:47:57,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:47:57,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:47:57,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:47:57,378 INFO L87 Difference]: Start difference. First operand 353 states and 416 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:47:57,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:47:57,479 INFO L93 Difference]: Finished difference Result 690 states and 842 transitions. [2023-04-01 11:47:57,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:47:57,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 127 [2023-04-01 11:47:57,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:47:57,482 INFO L225 Difference]: With dead ends: 690 [2023-04-01 11:47:57,482 INFO L226 Difference]: Without dead ends: 395 [2023-04-01 11:47:57,483 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 11:47:57,483 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 53 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 750 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 11:47:57,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 750 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:47:57,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-04-01 11:47:57,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2023-04-01 11:47:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 212 states have (on average 1.2547169811320755) internal successors, (266), 217 states have internal predecessors, (266), 113 states have call successors, (113), 72 states have call predecessors, (113), 68 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-01 11:47:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 487 transitions. [2023-04-01 11:47:57,498 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 487 transitions. Word has length 127 [2023-04-01 11:47:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:47:57,498 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 487 transitions. [2023-04-01 11:47:57,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:47:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 487 transitions. [2023-04-01 11:47:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 11:47:57,501 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:47:57,502 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 11:47:57,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:47:57,502 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:47:57,503 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:47:57,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1668675088, now seen corresponding path program 1 times [2023-04-01 11:47:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:47:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759807309] [2023-04-01 11:47:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:47:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:47:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:47:57,742 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 11:47:57,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:47:57,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759807309] [2023-04-01 11:47:57,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759807309] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:47:57,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393833195] [2023-04-01 11:47:57,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:47:57,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:47:57,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:47:57,745 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 11:47:57,746 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 11:47:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:47:58,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 2053 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:47:58,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:47:58,273 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 11:47:58,273 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:47:58,458 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 11:47:58,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393833195] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:47:58,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1310605758] [2023-04-01 11:47:58,500 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-01 11:47:58,501 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:47:58,504 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:47:58,507 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:47:58,508 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:48:12,766 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:48:13,273 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 567 for LOIs [2023-04-01 11:48:24,357 WARN L223 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 567 DAG size of output: 567 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:48:33,454 WARN L223 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 567 DAG size of output: 567 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:48:42,564 WARN L223 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 567 DAG size of output: 567 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:48:51,646 WARN L223 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 567 DAG size of output: 567 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:49:02,187 WARN L223 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 567 DAG size of output: 567 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)