/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:43:03,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:43:03,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:43:03,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:43:03,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:43:03,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:43:03,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:43:03,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:43:03,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:43:03,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:43:03,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:43:03,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:43:03,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:43:03,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:43:03,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:43:03,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:43:03,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:43:03,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:43:03,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:43:03,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:43:03,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:43:03,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:43:03,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:43:03,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:43:03,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:43:03,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:43:03,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:43:03,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:43:03,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:43:03,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:43:03,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:43:03,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:43:03,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:43:03,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:43:03,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:43:03,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:43:03,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:43:03,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:43:03,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:43:03,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:43:03,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:43:03,234 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 [2023-03-31 23:43:03,264 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:43:03,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:43:03,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:43:03,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:43:03,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:43:03,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:43:03,265 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:43:03,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:43:03,266 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:43:03,266 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:43:03,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:43:03,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:43:03,268 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:43:03,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:43:03,268 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:43:03,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:43:03,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:43:03,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:43:03,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:43:03,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:43:03,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:43:03,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:43:03,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:43:03,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:43:03,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:43:03,504 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:43:03,504 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:43:03,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product32.cil.c [2023-03-31 23:43:04,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:43:04,921 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:43:04,922 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product32.cil.c [2023-03-31 23:43:04,941 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92443e96/36f042d96d344b598852cf259990bdd3/FLAG0ec46bb26 [2023-03-31 23:43:04,953 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e92443e96/36f042d96d344b598852cf259990bdd3 [2023-03-31 23:43:04,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:43:04,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:43:04,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:43:04,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:43:04,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:43:04,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:43:04" (1/1) ... [2023-03-31 23:43:04,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19421ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:04, skipping insertion in model container [2023-03-31 23:43:04,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:43:04" (1/1) ... [2023-03-31 23:43:04,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:43:05,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:43:05,300 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_spec27_product32.cil.c[27975,27988] [2023-03-31 23:43:05,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:43:05,562 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:43:05,610 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_spec27_product32.cil.c[27975,27988] [2023-03-31 23:43:05,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:43:05,669 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:43:05,675 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:43:05,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05 WrapperNode [2023-03-31 23:43:05,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:43:05,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:43:05,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:43:05,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:43:05,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:43:05,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:43:05,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:43:05,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:43:05,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (1/1) ... [2023-03-31 23:43:05,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:43:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:43:05,901 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) [2023-03-31 23:43:05,910 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 [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:43:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:43:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:43:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:43:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:43:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:43:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 23:43:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:43:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:43:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:43:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:43:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:43:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:43:05,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:43:05,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:43:05,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:43:05,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:43:05,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:43:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:43:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:43:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:43:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:43:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:43:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:43:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:43:06,257 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:43:06,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:43:07,366 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:43:08,145 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:43:08,145 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:43:08,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:43:08 BoogieIcfgContainer [2023-03-31 23:43:08,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:43:08,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:43:08,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:43:08,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:43:08,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:43:04" (1/3) ... [2023-03-31 23:43:08,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711266e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:43:08, skipping insertion in model container [2023-03-31 23:43:08,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:43:05" (2/3) ... [2023-03-31 23:43:08,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711266e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:43:08, skipping insertion in model container [2023-03-31 23:43:08,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:43:08" (3/3) ... [2023-03-31 23:43:08,157 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product32.cil.c [2023-03-31 23:43:08,174 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:43:08,174 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:43:08,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:43:08,232 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;@315dcb46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:43:08,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:43:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 446 states, 223 states have (on average 1.1928251121076232) internal successors, (266), 233 states have internal predecessors, (266), 131 states have call successors, (131), 82 states have call predecessors, (131), 82 states have return successors, (131), 130 states have call predecessors, (131), 131 states have call successors, (131) [2023-03-31 23:43:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 23:43:08,256 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:08,257 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:08,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:08,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash -73688398, now seen corresponding path program 1 times [2023-03-31 23:43:08,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:08,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351916817] [2023-03-31 23:43:08,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:08,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:08,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:08,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351916817] [2023-03-31 23:43:08,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351916817] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:08,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:08,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:43:08,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351202423] [2023-03-31 23:43:08,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:08,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:43:08,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:08,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:43:08,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:43:08,858 INFO L87 Difference]: Start difference. First operand has 446 states, 223 states have (on average 1.1928251121076232) internal successors, (266), 233 states have internal predecessors, (266), 131 states have call successors, (131), 82 states have call predecessors, (131), 82 states have return successors, (131), 130 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:09,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:09,027 INFO L93 Difference]: Finished difference Result 636 states and 763 transitions. [2023-03-31 23:43:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:43:09,029 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 174 [2023-03-31 23:43:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:09,049 INFO L225 Difference]: With dead ends: 636 [2023-03-31 23:43:09,049 INFO L226 Difference]: Without dead ends: 400 [2023-03-31 23:43:09,057 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 [2023-03-31 23:43:09,061 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:09,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:09,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-03-31 23:43:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2023-03-31 23:43:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 202 states have (on average 1.188118811881188) internal successors, (240), 209 states have internal predecessors, (240), 119 states have call successors, (119), 82 states have call predecessors, (119), 78 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-03-31 23:43:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 473 transitions. [2023-03-31 23:43:09,158 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 473 transitions. Word has length 174 [2023-03-31 23:43:09,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:09,159 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 473 transitions. [2023-03-31 23:43:09,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 473 transitions. [2023-03-31 23:43:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-03-31 23:43:09,177 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:09,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:09,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:43:09,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:09,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:09,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1479659409, now seen corresponding path program 1 times [2023-03-31 23:43:09,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:09,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16325673] [2023-03-31 23:43:09,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:09,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:09,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:09,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16325673] [2023-03-31 23:43:09,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16325673] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:09,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:09,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:09,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004411150] [2023-03-31 23:43:09,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:09,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:09,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:09,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:09,605 INFO L87 Difference]: Start difference. First operand 400 states and 473 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:09,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:09,723 INFO L93 Difference]: Finished difference Result 621 states and 726 transitions. [2023-03-31 23:43:09,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:09,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 175 [2023-03-31 23:43:09,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:09,728 INFO L225 Difference]: With dead ends: 621 [2023-03-31 23:43:09,729 INFO L226 Difference]: Without dead ends: 402 [2023-03-31 23:43:09,733 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 [2023-03-31 23:43:09,735 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 0 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:09,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 852 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:09,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-03-31 23:43:09,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2023-03-31 23:43:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 204 states have (on average 1.1862745098039216) internal successors, (242), 211 states have internal predecessors, (242), 119 states have call successors, (119), 82 states have call predecessors, (119), 78 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-03-31 23:43:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 475 transitions. [2023-03-31 23:43:09,757 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 475 transitions. Word has length 175 [2023-03-31 23:43:09,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:09,757 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 475 transitions. [2023-03-31 23:43:09,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 475 transitions. [2023-03-31 23:43:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-03-31 23:43:09,762 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:09,762 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:09,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:43:09,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:09,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:09,764 INFO L85 PathProgramCache]: Analyzing trace with hash 560012416, now seen corresponding path program 1 times [2023-03-31 23:43:09,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:09,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984626788] [2023-03-31 23:43:09,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:09,946 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:09,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:09,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984626788] [2023-03-31 23:43:09,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984626788] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:09,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:09,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:09,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731828658] [2023-03-31 23:43:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:09,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:09,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:09,949 INFO L87 Difference]: Start difference. First operand 402 states and 475 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:10,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:10,039 INFO L93 Difference]: Finished difference Result 788 states and 960 transitions. [2023-03-31 23:43:10,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:10,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 184 [2023-03-31 23:43:10,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:10,042 INFO L225 Difference]: With dead ends: 788 [2023-03-31 23:43:10,043 INFO L226 Difference]: Without dead ends: 444 [2023-03-31 23:43:10,044 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 [2023-03-31 23:43:10,044 INFO L413 NwaCegarLoop]: 432 mSDtfsCounter, 53 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:10,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 852 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:10,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-03-31 23:43:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2023-03-31 23:43:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 236 states have (on average 1.25) internal successors, (295), 243 states have internal predecessors, (295), 128 states have call successors, (128), 82 states have call predecessors, (128), 78 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2023-03-31 23:43:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 546 transitions. [2023-03-31 23:43:10,063 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 546 transitions. Word has length 184 [2023-03-31 23:43:10,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:10,063 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 546 transitions. [2023-03-31 23:43:10,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 546 transitions. [2023-03-31 23:43:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-03-31 23:43:10,067 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:10,068 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:10,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:43:10,068 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:10,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:10,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1515607739, now seen corresponding path program 1 times [2023-03-31 23:43:10,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:10,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073427300] [2023-03-31 23:43:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:10,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:10,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:10,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073427300] [2023-03-31 23:43:10,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073427300] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:43:10,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:43:10,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:43:10,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551995883] [2023-03-31 23:43:10,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:43:10,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:43:10,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:43:10,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:43:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:43:10,221 INFO L87 Difference]: Start difference. First operand 443 states and 546 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:10,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:43:10,318 INFO L93 Difference]: Finished difference Result 908 states and 1168 transitions. [2023-03-31 23:43:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:43:10,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 185 [2023-03-31 23:43:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:43:10,385 INFO L225 Difference]: With dead ends: 908 [2023-03-31 23:43:10,385 INFO L226 Difference]: Without dead ends: 523 [2023-03-31 23:43:10,386 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 [2023-03-31 23:43:10,387 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 51 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:43:10,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 850 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:43:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2023-03-31 23:43:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2023-03-31 23:43:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 298 states have (on average 1.332214765100671) internal successors, (397), 305 states have internal predecessors, (397), 145 states have call successors, (145), 82 states have call predecessors, (145), 78 states have return successors, (140), 139 states have call predecessors, (140), 140 states have call successors, (140) [2023-03-31 23:43:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 682 transitions. [2023-03-31 23:43:10,407 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 682 transitions. Word has length 185 [2023-03-31 23:43:10,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:43:10,407 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 682 transitions. [2023-03-31 23:43:10,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (51), 2 states have call predecessors, (51), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-03-31 23:43:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 682 transitions. [2023-03-31 23:43:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 23:43:10,410 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:43:10,411 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:43:10,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:43:10,411 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:43:10,411 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:43:10,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1380060072, now seen corresponding path program 1 times [2023-03-31 23:43:10,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:43:10,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842837627] [2023-03-31 23:43:10,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:10,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:43:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:10,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:43:10,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842837627] [2023-03-31 23:43:10,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842837627] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:43:10,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918586295] [2023-03-31 23:43:10,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:43:10,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:43:10,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:43:10,652 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) [2023-03-31 23:43:10,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:43:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:43:11,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 2745 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:43:11,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:43:11,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:11,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:43:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-03-31 23:43:11,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918586295] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:43:11,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1292315133] [2023-03-31 23:43:11,632 INFO L159 IcfgInterpreter]: Started Sifa with 171 locations of interest [2023-03-31 23:43:11,632 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:43:11,635 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:43:11,640 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:43:11,640 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:43:16,039 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:43:16,595 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 359 for LOIs [2023-03-31 23:43:23,171 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:43:25,438 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:43:26,835 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:43:27,564 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:43:29,000 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:43:29,808 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:43:31,495 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:43:32,412 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:43:32,523 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:43:32,633 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:43:32,695 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 340 for LOIs [2023-03-31 23:43:41,299 INFO L197 IcfgInterpreter]: Interpreting procedure rjhSetAutoRespond with input of size 232 for LOIs [2023-03-31 23:43:41,958 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAutoResponse with input of size 236 for LOIs [2023-03-31 23:43:42,058 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 247 for LOIs [2023-03-31 23:43:42,367 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 251 for LOIs [2023-03-31 23:43:43,546 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 225 for LOIs [2023-03-31 23:43:44,963 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 219 for LOIs [2023-03-31 23:43:45,092 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:43:45,175 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:43:45,269 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 247 for LOIs [2023-03-31 23:43:46,228 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AddressBook with input of size 231 for LOIs [2023-03-31 23:43:47,190 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 231 for LOIs [2023-03-31 23:43:48,828 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 231 for LOIs [2023-03-31 23:43:50,178 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 228 for LOIs [2023-03-31 23:43:50,523 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 231 for LOIs [2023-03-31 23:43:51,398 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 207 for LOIs [2023-03-31 23:43:51,643 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 233 for LOIs [2023-03-31 23:43:52,476 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Verify with input of size 225 for LOIs [2023-03-31 23:43:53,212 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Sign with input of size 217 for LOIs [2023-03-31 23:43:53,361 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Encrypt with input of size 205 for LOIs [2023-03-31 23:43:53,500 INFO L197 IcfgInterpreter]: Interpreting procedure deliver with input of size 205 for LOIs [2023-03-31 23:43:53,636 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__VerifyForward_spec__1 with input of size 205 for LOIs [2023-03-31 23:43:55,679 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 199 for LOIs [2023-03-31 23:43:55,724 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 214 for LOIs [2023-03-31 23:43:55,998 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailFrom with input of size 209 for LOIs [2023-03-31 23:43:56,074 INFO L197 IcfgInterpreter]: Interpreting procedure isVerified with input of size 201 for LOIs [2023-03-31 23:43:56,145 INFO L197 IcfgInterpreter]: Interpreting procedure verify with input of size 213 for LOIs [2023-03-31 23:43:56,838 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 205 for LOIs [2023-03-31 23:43:57,406 INFO L197 IcfgInterpreter]: Interpreting procedure isEncrypted with input of size 205 for LOIs [2023-03-31 23:43:57,503 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 199 for LOIs [2023-03-31 23:43:57,569 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAddressBookSize with input of size 199 for LOIs [2023-03-31 23:43:57,634 INFO L197 IcfgInterpreter]: Interpreting procedure sign with input of size 217 for LOIs [2023-03-31 23:43:58,574 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 218 for LOIs [2023-03-31 23:43:58,831 INFO L180 IcfgInterpreter]: Interpretation finished