/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:37:17,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:37:17,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:37:17,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:37:17,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:37:17,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:37:17,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:37:17,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:37:17,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:37:17,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:37:17,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:37:17,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:37:17,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:37:17,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:37:17,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:37:17,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:37:17,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:37:17,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:37:17,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:37:17,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:37:17,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:37:17,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:37:17,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:37:17,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:37:17,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:37:17,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:37:17,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:37:17,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:37:17,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:37:17,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:37:17,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:37:17,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:37:17,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:37:17,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:37:17,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:37:17,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:37:17,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:37:17,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:37:17,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:37:17,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:37:17,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:37:17,730 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 23:37:17,759 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:37:17,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:37:17,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:37:17,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:37:17,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:37:17,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:37:17,761 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:37:17,761 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:37:17,761 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:37:17,761 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:37:17,761 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:37:17,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:37:17,762 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:37:17,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:37:17,762 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:37:17,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:37:17,762 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:37:17,762 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:37:17,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:37:17,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:37:17,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:17,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:37:17,764 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:37:17,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:37:17,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:37:17,765 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:37:17,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:37:17,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:37:17,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:37:17,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:37:17,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:37:17,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:37:17,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:37:17,947 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:37:17,947 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:37:17,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2023-03-31 23:37:19,077 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:37:19,225 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:37:19,225 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2023-03-31 23:37:19,246 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685194063/9848092809b44173a1e93aa8d9f00842/FLAG9ef244217 [2023-03-31 23:37:19,255 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/685194063/9848092809b44173a1e93aa8d9f00842 [2023-03-31 23:37:19,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:37:19,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:37:19,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:19,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:37:19,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:37:19,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ce73ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19, skipping insertion in model container [2023-03-31 23:37:19,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:37:19,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:37:19,413 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_product10.cil.c[2842,2855] [2023-03-31 23:37:19,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:19,611 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:37:19,625 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_product10.cil.c[2842,2855] [2023-03-31 23:37:19,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:37:19,721 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:37:19,726 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:37:19,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19 WrapperNode [2023-03-31 23:37:19,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:37:19,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:37:19,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:37:19,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:37:19,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:37:19,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:37:19,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:37:19,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:37:19,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (1/1) ... [2023-03-31 23:37:19,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:37:19,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:19,866 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 23:37:19,906 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 23:37:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:37:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:37:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:37:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:37:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:37:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:37:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:37:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:37:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:37:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:37:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:37:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:37:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:37:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:37:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:37:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:37:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:37:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 23:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:37:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:37:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:37:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:37:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:37:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:37:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:37:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:37:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:37:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:37:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:37:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 23:37:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:37:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:37:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:37:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:37:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:37:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:37:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:37:20,242 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:37:20,245 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:37:21,179 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:37:21,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:37:21,616 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:37:21,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:21 BoogieIcfgContainer [2023-03-31 23:37:21,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:37:21,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:37:21,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:37:21,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:37:21,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:37:19" (1/3) ... [2023-03-31 23:37:21,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4372a934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:21, skipping insertion in model container [2023-03-31 23:37:21,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:37:19" (2/3) ... [2023-03-31 23:37:21,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4372a934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:37:21, skipping insertion in model container [2023-03-31 23:37:21,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:37:21" (3/3) ... [2023-03-31 23:37:21,624 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product10.cil.c [2023-03-31 23:37:21,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:37:21,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:37:21,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:37:21,706 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;@74faf914, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:37:21,706 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:37:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 116 states have internal predecessors, (140), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-03-31 23:37:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-03-31 23:37:21,720 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:21,720 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:37:21,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:21,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:21,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1052537258, now seen corresponding path program 1 times [2023-03-31 23:37:21,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:21,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475332533] [2023-03-31 23:37:21,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:21,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 23:37:22,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:22,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475332533] [2023-03-31 23:37:22,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475332533] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:22,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:37:22,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600336817] [2023-03-31 23:37:22,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:22,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:37:22,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:22,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:37:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:37:22,112 INFO L87 Difference]: Start difference. First operand has 207 states, 110 states have (on average 1.2727272727272727) internal successors, (140), 116 states have internal predecessors, (140), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 23:37:22,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:22,208 INFO L93 Difference]: Finished difference Result 330 states and 388 transitions. [2023-03-31 23:37:22,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:37:22,211 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 113 [2023-03-31 23:37:22,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:22,218 INFO L225 Difference]: With dead ends: 330 [2023-03-31 23:37:22,218 INFO L226 Difference]: Without dead ends: 196 [2023-03-31 23:37:22,221 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 23:37:22,223 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:22,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:37:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-03-31 23:37:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2023-03-31 23:37:22,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 105 states have (on average 1.2476190476190476) internal successors, (131), 108 states have internal predecessors, (131), 52 states have call successors, (52), 42 states have call predecessors, (52), 38 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-03-31 23:37:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 230 transitions. [2023-03-31 23:37:22,281 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 230 transitions. Word has length 113 [2023-03-31 23:37:22,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:22,283 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 230 transitions. [2023-03-31 23:37:22,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 23:37:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 230 transitions. [2023-03-31 23:37:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-03-31 23:37:22,289 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:22,290 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:37:22,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:37:22,290 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:22,291 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:22,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1576528153, now seen corresponding path program 1 times [2023-03-31 23:37:22,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:22,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471615301] [2023-03-31 23:37:22,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:22,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 23:37:22,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:22,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471615301] [2023-03-31 23:37:22,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471615301] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:37:22,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:37:22,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:37:22,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139719888] [2023-03-31 23:37:22,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:37:22,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:37:22,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:37:22,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:37:22,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:37:22,535 INFO L87 Difference]: Start difference. First operand 196 states and 230 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 23:37:22,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:37:22,612 INFO L93 Difference]: Finished difference Result 315 states and 359 transitions. [2023-03-31 23:37:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:37:22,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 114 [2023-03-31 23:37:22,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:37:22,620 INFO L225 Difference]: With dead ends: 315 [2023-03-31 23:37:22,620 INFO L226 Difference]: Without dead ends: 198 [2023-03-31 23:37:22,621 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 23:37:22,622 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 0 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:37:22,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 412 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:37:22,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-03-31 23:37:22,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2023-03-31 23:37:22,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 107 states have (on average 1.2429906542056075) internal successors, (133), 110 states have internal predecessors, (133), 52 states have call successors, (52), 42 states have call predecessors, (52), 38 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-03-31 23:37:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 232 transitions. [2023-03-31 23:37:22,634 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 232 transitions. Word has length 114 [2023-03-31 23:37:22,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:37:22,634 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 232 transitions. [2023-03-31 23:37:22,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 23:37:22,634 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 232 transitions. [2023-03-31 23:37:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-03-31 23:37:22,635 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:37:22,635 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 23:37:22,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:37:22,636 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:37:22,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:37:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 263033084, now seen corresponding path program 1 times [2023-03-31 23:37:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:37:22,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679773957] [2023-03-31 23:37:22,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:37:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 23:37:22,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:37:22,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679773957] [2023-03-31 23:37:22,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679773957] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:37:22,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416923111] [2023-03-31 23:37:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:37:22,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:37:22,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:37:22,845 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 23:37:22,847 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 23:37:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:37:23,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:37:23,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:37:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 23:37:23,384 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:37:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 23:37:23,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416923111] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:37:23,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [111154803] [2023-03-31 23:37:23,504 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-03-31 23:37:23,504 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:37:23,506 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:37:23,510 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:37:23,510 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:37:26,609 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-03-31 23:37:27,033 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 267 for LOIs [2023-03-31 23:37:30,849 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 241 for LOIs [2023-03-31 23:37:32,884 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 235 for LOIs [2023-03-31 23:37:33,692 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 236 for LOIs [2023-03-31 23:37:34,617 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 237 for LOIs [2023-03-31 23:37:35,543 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 233 for LOIs [2023-03-31 23:37:35,687 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 229 for LOIs [2023-03-31 23:37:35,753 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 251 for LOIs [2023-03-31 23:37:37,532 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 239 for LOIs [2023-03-31 23:37:37,746 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 243 for LOIs [2023-03-31 23:37:38,805 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 237 for LOIs [2023-03-31 23:37:40,335 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 229 for LOIs [2023-03-31 23:37:40,420 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 229 for LOIs [2023-03-31 23:37:40,483 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 239 for LOIs [2023-03-31 23:37:41,977 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 240 for LOIs [2023-03-31 23:37:42,389 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 239 for LOIs [2023-03-31 23:37:43,251 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 225 for LOIs [2023-03-31 23:37:43,361 INFO L197 IcfgInterpreter]: Interpreting procedure incoming with input of size 241 for LOIs [2023-03-31 23:37:44,834 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 231 for LOIs [2023-03-31 23:37:44,956 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__AutoResponder with input of size 241 for LOIs [2023-03-31 23:37:46,418 INFO L197 IcfgInterpreter]: Interpreting procedure incoming__wrappee__Base with input of size 229 for LOIs [2023-03-31 23:37:47,087 INFO L197 IcfgInterpreter]: Interpreting procedure deliver with input of size 229 for LOIs [2023-03-31 23:37:47,172 INFO L197 IcfgInterpreter]: Interpreting procedure getClientAutoResponse with input of size 227 for LOIs [2023-03-31 23:37:47,316 INFO L197 IcfgInterpreter]: Interpreting procedure getClientForwardReceiver with input of size 221 for LOIs [2023-03-31 23:37:47,485 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 219 for LOIs [2023-03-31 23:37:47,601 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:38:24,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [111154803] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:38:24,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:38:24,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [4, 4, 4] total 86 [2023-03-31 23:38:24,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185531376] [2023-03-31 23:38:24,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:38:24,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2023-03-31 23:38:24,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:38:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2023-03-31 23:38:24,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=7058, Unknown=0, NotChecked=0, Total=7310 [2023-03-31 23:38:24,200 INFO L87 Difference]: Start difference. First operand 198 states and 232 transitions. Second operand has 81 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 45 states have internal predecessors, (55), 28 states have call successors, (34), 25 states have call predecessors, (34), 19 states have return successors, (24), 22 states have call predecessors, (24), 21 states have call successors, (24)