/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_spec7_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:56:14,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:56:14,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:56:15,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:56:15,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:56:15,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:56:15,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:56:15,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:56:15,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:56:15,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:56:15,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:56:15,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:56:15,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:56:15,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:56:15,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:56:15,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:56:15,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:56:15,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:56:15,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:56:15,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:56:15,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:56:15,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:56:15,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:56:15,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:56:15,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:56:15,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:56:15,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:56:15,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:56:15,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:56:15,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:56:15,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:56:15,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:56:15,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:56:15,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:56:15,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:56:15,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:56:15,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:56:15,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:56:15,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:56:15,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:56:15,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:56:15,058 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 11:56:15,084 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:56:15,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:56:15,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:56:15,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:56:15,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:56:15,086 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:56:15,086 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:56:15,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:56:15,086 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:56:15,086 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:56:15,087 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:56:15,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:56:15,088 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:56:15,088 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:56:15,088 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:56:15,088 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:56:15,088 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:56:15,088 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:56:15,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:56:15,089 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:56:15,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:56:15,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:56:15,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:56:15,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:56:15,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:56:15,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:56:15,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:56:15,091 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:56:15,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:56:15,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:56:15,092 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:56:15,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:56:15,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:56:15,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:56:15,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:56:15,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:56:15,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:56:15,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:56:15,392 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:56:15,393 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:56:15,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2023-04-01 11:56:16,601 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:56:16,937 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:56:16,939 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product33.cil.c [2023-04-01 11:56:16,957 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9166910e/222f63c2853e4a62bcf2a548439f260b/FLAG1e8297627 [2023-04-01 11:56:16,969 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9166910e/222f63c2853e4a62bcf2a548439f260b [2023-04-01 11:56:16,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:56:16,972 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:56:16,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:56:16,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:56:16,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:56:16,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:56:16" (1/1) ... [2023-04-01 11:56:16,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2bf9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:16, skipping insertion in model container [2023-04-01 11:56:16,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:56:16" (1/1) ... [2023-04-01 11:56:16,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:56:17,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:56:17,394 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_spec7_product33.cil.c[20852,20865] [2023-04-01 11:56:17,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:56:17,548 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:56:17,623 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_spec7_product33.cil.c[20852,20865] [2023-04-01 11:56:17,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:56:17,731 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:56:17,738 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:56:17,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17 WrapperNode [2023-04-01 11:56:17,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:56:17,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:56:17,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:56:17,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:56:17,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:56:17,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:56:17,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:56:17,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:56:17,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (1/1) ... [2023-04-01 11:56:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:56:17,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:56:17,950 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 11:56:17,966 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 11:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:56:17,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:56:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:56:18,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:56:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:56:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:56:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:56:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:56:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:56:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:56:18,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:56:18,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:56:18,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:56:18,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:56:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:56:18,008 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:56:18,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:56:18,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:56:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:56:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:56:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:56:18,011 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:56:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:56:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:56:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:56:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:56:18,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:56:18,012 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:56:18,013 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:56:18,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:56:18,015 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:56:18,016 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:56:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:56:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:56:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:56:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:56:18,018 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:56:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:56:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:56:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:56:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:56:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:56:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:56:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:56:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:56:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:56:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:56:18,022 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:56:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:56:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:56:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:56:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:56:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:56:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:56:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:56:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:56:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 11:56:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:56:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:56:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:56:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:56:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:56:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 11:56:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 11:56:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:56:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:56:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:56:18,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:56:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:56:18,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:56:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:56:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:56:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:56:18,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:56:18,410 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:56:18,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:56:19,546 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:56:20,363 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:56:20,363 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:56:20,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:56:20 BoogieIcfgContainer [2023-04-01 11:56:20,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:56:20,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:56:20,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:56:20,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:56:20,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:56:16" (1/3) ... [2023-04-01 11:56:20,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d75fb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:56:20, skipping insertion in model container [2023-04-01 11:56:20,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:17" (2/3) ... [2023-04-01 11:56:20,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d75fb73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:56:20, skipping insertion in model container [2023-04-01 11:56:20,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:56:20" (3/3) ... [2023-04-01 11:56:20,377 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product33.cil.c [2023-04-01 11:56:20,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:56:20,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:56:20,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:56:20,461 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;@6673000a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:56:20,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:56:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 430 states, 215 states have (on average 1.1906976744186046) internal successors, (256), 225 states have internal predecessors, (256), 126 states have call successors, (126), 84 states have call predecessors, (126), 84 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-01 11:56:20,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-01 11:56:20,482 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:20,482 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, 1, 1] [2023-04-01 11:56:20,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:20,487 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:20,488 INFO L85 PathProgramCache]: Analyzing trace with hash -189712658, now seen corresponding path program 1 times [2023-04-01 11:56:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:20,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226838918] [2023-04-01 11:56:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:20,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:21,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:21,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:21,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226838918] [2023-04-01 11:56:21,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226838918] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:21,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:21,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:56:21,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981989135] [2023-04-01 11:56:21,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:21,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:56:21,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:21,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:56:21,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:56:21,130 INFO L87 Difference]: Start difference. First operand has 430 states, 215 states have (on average 1.1906976744186046) internal successors, (256), 225 states have internal predecessors, (256), 126 states have call successors, (126), 84 states have call predecessors, (126), 84 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:56:21,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:21,329 INFO L93 Difference]: Finished difference Result 661 states and 784 transitions. [2023-04-01 11:56:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:56:21,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 145 [2023-04-01 11:56:21,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:21,354 INFO L225 Difference]: With dead ends: 661 [2023-04-01 11:56:21,354 INFO L226 Difference]: Without dead ends: 409 [2023-04-01 11:56:21,362 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 11:56:21,366 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:21,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 444 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:21,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-04-01 11:56:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2023-04-01 11:56:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 206 states have (on average 1.1796116504854368) internal successors, (243), 213 states have internal predecessors, (243), 122 states have call successors, (122), 84 states have call predecessors, (122), 80 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-01 11:56:21,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 482 transitions. [2023-04-01 11:56:21,444 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 482 transitions. Word has length 145 [2023-04-01 11:56:21,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:21,445 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 482 transitions. [2023-04-01 11:56:21,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:56:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 482 transitions. [2023-04-01 11:56:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 11:56:21,450 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:21,450 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, 1, 1, 1] [2023-04-01 11:56:21,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:56:21,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:21,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:21,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1718144940, now seen corresponding path program 1 times [2023-04-01 11:56:21,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:21,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736733503] [2023-04-01 11:56:21,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:21,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:21,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:21,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736733503] [2023-04-01 11:56:21,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736733503] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:21,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:21,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:56:21,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544807718] [2023-04-01 11:56:21,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:21,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:56:21,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:21,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:56:21,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:56:21,787 INFO L87 Difference]: Start difference. First operand 409 states and 482 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:56:21,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:21,892 INFO L93 Difference]: Finished difference Result 646 states and 752 transitions. [2023-04-01 11:56:21,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:56:21,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 146 [2023-04-01 11:56:21,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:21,896 INFO L225 Difference]: With dead ends: 646 [2023-04-01 11:56:21,896 INFO L226 Difference]: Without dead ends: 411 [2023-04-01 11:56:21,898 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 11:56:21,899 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 0 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:21,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 868 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:21,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2023-04-01 11:56:21,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2023-04-01 11:56:21,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 208 states have (on average 1.1778846153846154) internal successors, (245), 215 states have internal predecessors, (245), 122 states have call successors, (122), 84 states have call predecessors, (122), 80 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-01 11:56:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 484 transitions. [2023-04-01 11:56:21,926 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 484 transitions. Word has length 146 [2023-04-01 11:56:21,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:21,927 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 484 transitions. [2023-04-01 11:56:21,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 11:56:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 484 transitions. [2023-04-01 11:56:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-01 11:56:21,931 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:21,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:56:21,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:56:21,931 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:21,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:21,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1082264727, now seen corresponding path program 1 times [2023-04-01 11:56:21,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:21,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93297600] [2023-04-01 11:56:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:22,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:22,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93297600] [2023-04-01 11:56:22,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93297600] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:22,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:22,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:56:22,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302766786] [2023-04-01 11:56:22,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:22,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:56:22,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:22,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:56:22,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:56:22,155 INFO L87 Difference]: Start difference. First operand 411 states and 484 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 11:56:22,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:22,274 INFO L93 Difference]: Finished difference Result 806 states and 978 transitions. [2023-04-01 11:56:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:56:22,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 158 [2023-04-01 11:56:22,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:22,278 INFO L225 Difference]: With dead ends: 806 [2023-04-01 11:56:22,278 INFO L226 Difference]: Without dead ends: 453 [2023-04-01 11:56:22,279 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 11:56:22,280 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 53 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:22,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 866 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:22,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-04-01 11:56:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 452. [2023-04-01 11:56:22,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 240 states have (on average 1.2416666666666667) internal successors, (298), 247 states have internal predecessors, (298), 131 states have call successors, (131), 84 states have call predecessors, (131), 80 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-01 11:56:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 555 transitions. [2023-04-01 11:56:22,329 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 555 transitions. Word has length 158 [2023-04-01 11:56:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:22,329 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 555 transitions. [2023-04-01 11:56:22,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-01 11:56:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 555 transitions. [2023-04-01 11:56:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 11:56:22,333 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:22,334 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:56:22,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:56:22,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:22,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:22,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1069308904, now seen corresponding path program 1 times [2023-04-01 11:56:22,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:22,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547809174] [2023-04-01 11:56:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:22,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:22,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:22,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547809174] [2023-04-01 11:56:22,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547809174] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:56:22,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98133913] [2023-04-01 11:56:22,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:22,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:56:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:56:22,730 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 11:56:22,753 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 11:56:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:23,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 2410 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:56:23,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:56:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:23,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:56:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:23,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98133913] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:56:23,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1513063110] [2023-04-01 11:56:23,689 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2023-04-01 11:56:23,689 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:56:23,696 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:56:23,700 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:56:23,701 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:56:33,431 WARN L223 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 488 DAG size of output: 488 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:56:38,452 WARN L223 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 488 DAG size of output: 488 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:56:39,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 11:56:40,354 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 582 for LOIs [2023-04-01 11:56:53,744 WARN L223 SmtUtils]: Spent 11.06s on a formula simplification. DAG size of input: 582 DAG size of output: 582 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:04,640 WARN L223 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 582 DAG size of output: 582 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:15,591 WARN L223 SmtUtils]: Spent 10.95s on a formula simplification. DAG size of input: 582 DAG size of output: 582 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)