/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_spec0_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:37:36,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:37:36,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:37:36,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:37:36,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:37:36,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:37:36,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:37:36,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:37:36,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:37:36,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:37:36,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:37:36,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:37:36,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:37:36,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:37:36,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:37:36,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:37:36,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:37:36,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:37:36,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:37:36,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:37:36,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:37:36,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:37:36,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:37:36,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:37:36,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:37:36,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:37:36,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:37:36,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:37:36,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:37:36,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:37:36,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:37:36,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:37:36,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:37:36,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:37:36,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:37:36,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:37:36,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:37:36,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:37:36,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:37:36,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:37:36,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:37:36,333 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 23:37:36,366 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:37:36,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:37:36,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:37:36,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:37:36,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:37:36,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:37:36,367 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:37:36,367 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:37:36,367 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:37:36,368 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:37:36,368 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:37:36,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:37:36,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:37:36,368 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:37:36,369 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:37:36,369 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:37:36,369 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:37:36,369 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:37:36,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:37:36,369 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:37:36,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:37:36,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:37:36,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:37:36,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:36,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:37:36,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:37:36,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:37:36,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:37:36,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:37:36,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:37:36,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:37:36,587 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:37:36,588 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:37:36,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2023-03-31 23:37:37,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:37:37,864 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:37:37,864 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2023-03-31 23:37:37,879 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4b819de/bc4646c2ba7e40789f6d7a0ffa5072ff/FLAG7883906c2 [2023-03-31 23:37:37,893 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e4b819de/bc4646c2ba7e40789f6d7a0ffa5072ff [2023-03-31 23:37:37,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:37:37,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:37:37,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:37,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:37:37,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:37:37,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:37" (1/1) ... [2023-03-31 23:37:37,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6081eafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:37, skipping insertion in model container [2023-03-31 23:37:37,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:37" (1/1) ... [2023-03-31 23:37:37,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:37:37,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:37:38,318 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_spec0_product19.cil.c[39319,39332] [2023-03-31 23:37:38,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:38,433 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:37:38,493 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_spec0_product19.cil.c[39319,39332] [2023-03-31 23:37:38,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:38,538 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:37:38,543 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:37:38,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38 WrapperNode [2023-03-31 23:37:38,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:38,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:37:38,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:37:38,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:37:38,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,645 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:37:38,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:37:38,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:37:38,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:37:38,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (1/1) ... [2023-03-31 23:37:38,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:38,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:38,728 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 23:37:38,730 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 23:37:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:37:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:37:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:37:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:37:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:37:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:37:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:37:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:37:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:37:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:37:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:37:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:37:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:37:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:37:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:37:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:37:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:37:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:37:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:37:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:37:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:37:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:37:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:37:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:37:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:37:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:37:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:37:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-03-31 23:37:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:37:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:37:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:37:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:37:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:37:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:37:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:37:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:37:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:37:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:37:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:37:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:37:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:37:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:37:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:37:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:37:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:37:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:37:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:37:39,044 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:37:39,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:37:39,864 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:37:40,421 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:37:40,421 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:37:40,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:40 BoogieIcfgContainer [2023-03-31 23:37:40,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:37:40,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:37:40,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:37:40,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:37:40,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:37:37" (1/3) ... [2023-03-31 23:37:40,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542ca929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:40, skipping insertion in model container [2023-03-31 23:37:40,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:38" (2/3) ... [2023-03-31 23:37:40,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542ca929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:40, skipping insertion in model container [2023-03-31 23:37:40,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:40" (3/3) ... [2023-03-31 23:37:40,437 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product19.cil.c [2023-03-31 23:37:40,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:37:40,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:37:40,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:37:40,511 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;@69e8e64d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:37:40,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:37:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 179 states have (on average 1.1955307262569832) internal successors, (214), 186 states have internal predecessors, (214), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-03-31 23:37:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-03-31 23:37:40,538 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:40,540 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, 1] [2023-03-31 23:37:40,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:40,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:40,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1346382325, now seen corresponding path program 1 times [2023-03-31 23:37:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:40,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786338810] [2023-03-31 23:37:40,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:40,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:40,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786338810] [2023-03-31 23:37:40,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786338810] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:40,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:40,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:37:40,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639847190] [2023-03-31 23:37:40,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:41,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:37:41,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:41,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:37:41,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:37:41,040 INFO L87 Difference]: Start difference. First operand has 356 states, 179 states have (on average 1.1955307262569832) internal successors, (214), 186 states have internal predecessors, (214), 101 states have call successors, (101), 71 states have call predecessors, (101), 71 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 23:37:41,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:41,163 INFO L93 Difference]: Finished difference Result 520 states and 606 transitions. [2023-03-31 23:37:41,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:37:41,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 147 [2023-03-31 23:37:41,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:41,181 INFO L225 Difference]: With dead ends: 520 [2023-03-31 23:37:41,181 INFO L226 Difference]: Without dead ends: 335 [2023-03-31 23:37:41,185 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 23:37:41,189 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:41,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-03-31 23:37:41,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2023-03-31 23:37:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 170 states have (on average 1.1823529411764706) internal successors, (201), 174 states have internal predecessors, (201), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 23:37:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 390 transitions. [2023-03-31 23:37:41,267 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 390 transitions. Word has length 147 [2023-03-31 23:37:41,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:41,269 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 390 transitions. [2023-03-31 23:37:41,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 23:37:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 390 transitions. [2023-03-31 23:37:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-03-31 23:37:41,279 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:41,279 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, 1, 1] [2023-03-31 23:37:41,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:37:41,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:41,280 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:41,281 INFO L85 PathProgramCache]: Analyzing trace with hash -2047221818, now seen corresponding path program 1 times [2023-03-31 23:37:41,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:41,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590054169] [2023-03-31 23:37:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:41,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:41,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:41,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590054169] [2023-03-31 23:37:41,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590054169] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:41,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:41,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:41,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149931553] [2023-03-31 23:37:41,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:41,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:41,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:41,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:41,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:41,562 INFO L87 Difference]: Start difference. First operand 335 states and 390 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 23:37:41,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:41,661 INFO L93 Difference]: Finished difference Result 505 states and 575 transitions. [2023-03-31 23:37:41,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:41,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 148 [2023-03-31 23:37:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:41,665 INFO L225 Difference]: With dead ends: 505 [2023-03-31 23:37:41,665 INFO L226 Difference]: Without dead ends: 337 [2023-03-31 23:37:41,669 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 23:37:41,670 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:41,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 698 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:41,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-03-31 23:37:41,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2023-03-31 23:37:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 172 states have (on average 1.180232558139535) internal successors, (203), 176 states have internal predecessors, (203), 97 states have call successors, (97), 71 states have call predecessors, (97), 67 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 23:37:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 392 transitions. [2023-03-31 23:37:41,681 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 392 transitions. Word has length 148 [2023-03-31 23:37:41,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:41,681 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 392 transitions. [2023-03-31 23:37:41,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 23:37:41,682 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 392 transitions. [2023-03-31 23:37:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 23:37:41,683 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:41,683 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] [2023-03-31 23:37:41,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:37:41,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:41,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:41,684 INFO L85 PathProgramCache]: Analyzing trace with hash 738440923, now seen corresponding path program 1 times [2023-03-31 23:37:41,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:41,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135221746] [2023-03-31 23:37:41,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:41,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:41,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135221746] [2023-03-31 23:37:41,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135221746] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:41,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:41,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:41,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309976004] [2023-03-31 23:37:41,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:41,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:41,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:41,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:41,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:41,858 INFO L87 Difference]: Start difference. First operand 337 states and 392 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 23:37:41,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:41,924 INFO L93 Difference]: Finished difference Result 656 states and 791 transitions. [2023-03-31 23:37:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:41,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 153 [2023-03-31 23:37:41,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:41,926 INFO L225 Difference]: With dead ends: 656 [2023-03-31 23:37:41,926 INFO L226 Difference]: Without dead ends: 377 [2023-03-31 23:37:41,927 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 23:37:41,927 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 52 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:41,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 694 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:41,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2023-03-31 23:37:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 376. [2023-03-31 23:37:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 203 states have (on average 1.2561576354679802) internal successors, (255), 207 states have internal predecessors, (255), 105 states have call successors, (105), 71 states have call predecessors, (105), 67 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-03-31 23:37:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 460 transitions. [2023-03-31 23:37:41,938 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 460 transitions. Word has length 153 [2023-03-31 23:37:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:41,939 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 460 transitions. [2023-03-31 23:37:41,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-03-31 23:37:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 460 transitions. [2023-03-31 23:37:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 23:37:41,940 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:41,941 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] [2023-03-31 23:37:41,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:37:41,941 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:41,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:41,941 INFO L85 PathProgramCache]: Analyzing trace with hash 356885348, now seen corresponding path program 1 times [2023-03-31 23:37:41,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:41,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881907525] [2023-03-31 23:37:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:41,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:42,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:42,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:42,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881907525] [2023-03-31 23:37:42,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881907525] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:37:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859465740] [2023-03-31 23:37:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:42,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:37:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:42,145 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 23:37:42,149 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 23:37:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:42,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:37:42,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:37:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:42,623 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:37:42,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 23:37:42,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859465740] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:37:42,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [738334252] [2023-03-31 23:37:42,864 INFO L159 IcfgInterpreter]: Started Sifa with 139 locations of interest [2023-03-31 23:37:42,864 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:37:42,868 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:37:42,872 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:37:42,872 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:37:46,101 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:37:46,635 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-03-31 23:37:51,104 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-03-31 23:37:53,205 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-03-31 23:37:54,464 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:37:55,143 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-03-31 23:37:56,407 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-03-31 23:37:57,180 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-03-31 23:37:58,701 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs [2023-03-31 23:37:59,570 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 227 for LOIs [2023-03-31 23:37:59,672 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 229 for LOIs [2023-03-31 23:37:59,781 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:37:59,843 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 290 for LOIs [2023-03-31 23:38:02,432 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 245 for LOIs [2023-03-31 23:38:02,668 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 249 for LOIs [2023-03-31 23:38:03,759 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 231 for LOIs [2023-03-31 23:38:05,206 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:38:05,288 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:38:05,349 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 245 for LOIs [2023-03-31 23:38:06,224 INFO L197 IcfgInterpreter]: Interpreting procedure sign with input of size 223 for LOIs [2023-03-31 23:38:07,003 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 213 for LOIs [2023-03-31 23:38:07,119 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 229 for LOIs [2023-03-31 23:38:08,470 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 234 for LOIs [2023-03-31 23:38:08,837 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 229 for LOIs [2023-03-31 23:38:09,624 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 211 for LOIs [2023-03-31 23:38:09,718 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 231 for LOIs [2023-03-31 23:38:10,064 INFO L197 IcfgInterpreter]: Interpreting procedure verify with input of size 219 for LOIs [2023-03-31 23:38:10,652 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 225 for LOIs [2023-03-31 23:38:10,773 INFO L197 IcfgInterpreter]: Interpreting procedure isReadable with input of size 211 for LOIs [2023-03-31 23:38:10,841 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 205 for LOIs [2023-03-31 23:38:10,940 INFO L180 IcfgInterpreter]: Interpretation finished