/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 OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:47:00,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:47:00,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:47:00,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:47:00,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:47:00,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:47:00,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:47:00,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:47:00,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:47:00,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:47:00,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:47:00,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:47:00,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:47:00,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:47:00,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:47:00,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:47:00,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:47:00,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:47:00,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:47:00,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:47:00,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:47:00,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:47:00,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:47:00,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:47:00,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:47:00,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:47:00,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:47:00,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:47:00,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:47:00,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:47:00,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:47:00,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:47:00,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:47:00,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:47:00,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:47:00,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:47:00,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:47:00,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:47:00,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:47:00,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:47:00,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:47:00,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 05:47:00,564 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:47:00,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:47:00,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:47:00,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:47:00,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:47:00,566 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:47:00,566 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:47:00,567 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:47:00,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:47:00,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:47:00,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:47:00,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:47:00,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:47:00,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:47:00,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:47:00,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:47:00,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:47:00,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:47:00,756 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:47:00,758 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:47:00,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2023-04-01 05:47:01,859 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:47:02,077 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:47:02,077 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product19.cil.c [2023-04-01 05:47:02,091 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24658dc55/06b739191f9c4f579e9e986873b6d27e/FLAGd5788424f [2023-04-01 05:47:02,102 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24658dc55/06b739191f9c4f579e9e986873b6d27e [2023-04-01 05:47:02,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:47:02,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:47:02,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:47:02,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:47:02,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:47:02,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@233e954e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02, skipping insertion in model container [2023-04-01 05:47:02,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:47:02,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:47:02,335 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_spec4_product19.cil.c[1542,1555] [2023-04-01 05:47:02,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:47:02,571 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:47:02,581 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_spec4_product19.cil.c[1542,1555] [2023-04-01 05:47:02,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:47:02,675 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:47:02,681 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:47:02,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02 WrapperNode [2023-04-01 05:47:02,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:47:02,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:47:02,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:47:02,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:47:02,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,830 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:47:02,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:47:02,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:47:02,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:47:02,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (1/1) ... [2023-04-01 05:47:02,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:47:02,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:47:02,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 05:47:02,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 05:47:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:47:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:47:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:47:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:47:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:47:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:47:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:47:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 05:47:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 05:47:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:47:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:47:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:47:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:47:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:47:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:47:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:47:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:47:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:47:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:47:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:47:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:47:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:47:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:47:02,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:47:02,966 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:47:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:47:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:47:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:47:02,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:47:02,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:47:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:47:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:47:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:47:02,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:47:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:47:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:47:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:47:02,972 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:47:02,973 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:47:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-01 05:47:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:47:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:47:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:47:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:47:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:47:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:47:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:47:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:47:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:47:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:47:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:47:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:47:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:47:03,233 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:47:03,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:47:04,166 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:47:04,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:47:04,753 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:47:04,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:47:04 BoogieIcfgContainer [2023-04-01 05:47:04,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:47:04,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:47:04,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:47:04,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:47:04,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:47:02" (1/3) ... [2023-04-01 05:47:04,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362b80b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:47:04, skipping insertion in model container [2023-04-01 05:47:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:47:02" (2/3) ... [2023-04-01 05:47:04,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362b80b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:47:04, skipping insertion in model container [2023-04-01 05:47:04,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:47:04" (3/3) ... [2023-04-01 05:47:04,768 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product19.cil.c [2023-04-01 05:47:04,782 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:47:04,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:47:04,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:47:04,837 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;@3075a925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:47:04,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:47:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 181 states have (on average 1.1988950276243093) internal successors, (217), 188 states have internal predecessors, (217), 102 states have call successors, (102), 71 states have call predecessors, (102), 71 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-04-01 05:47:04,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-01 05:47:04,853 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:47:04,853 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:47:04,854 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:47:04,858 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:47:04,858 INFO L85 PathProgramCache]: Analyzing trace with hash 957795415, now seen corresponding path program 1 times [2023-04-01 05:47:04,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:47:04,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218483225] [2023-04-01 05:47:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:47:04,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:47:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:47:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:47:05,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:47:05,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218483225] [2023-04-01 05:47:05,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218483225] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:47:05,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:47:05,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:47:05,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137220296] [2023-04-01 05:47:05,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:47:05,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:47:05,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:47:05,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:47:05,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:47:05,324 INFO L87 Difference]: Start difference. First operand has 359 states, 181 states have (on average 1.1988950276243093) internal successors, (217), 188 states have internal predecessors, (217), 102 states have call successors, (102), 71 states have call predecessors, (102), 71 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:47:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:47:05,452 INFO L93 Difference]: Finished difference Result 526 states and 613 transitions. [2023-04-01 05:47:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:47:05,454 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 118 [2023-04-01 05:47:05,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:47:05,463 INFO L225 Difference]: With dead ends: 526 [2023-04-01 05:47:05,463 INFO L226 Difference]: Without dead ends: 338 [2023-04-01 05:47:05,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:47:05,469 INFO L413 NwaCegarLoop]: 364 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, 364 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 [2023-04-01 05:47:05,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:47:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2023-04-01 05:47:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2023-04-01 05:47:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 172 states have (on average 1.186046511627907) internal successors, (204), 176 states have internal predecessors, (204), 98 states have call successors, (98), 71 states have call predecessors, (98), 67 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-04-01 05:47:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 395 transitions. [2023-04-01 05:47:05,530 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 395 transitions. Word has length 118 [2023-04-01 05:47:05,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:47:05,532 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 395 transitions. [2023-04-01 05:47:05,532 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:47:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 395 transitions. [2023-04-01 05:47:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-01 05:47:05,535 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:47:05,535 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:47:05,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:47:05,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:47:05,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:47:05,536 INFO L85 PathProgramCache]: Analyzing trace with hash -497679740, now seen corresponding path program 1 times [2023-04-01 05:47:05,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:47:05,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41695849] [2023-04-01 05:47:05,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:47:05,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:47:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:47:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:47:05,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:47:05,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41695849] [2023-04-01 05:47:05,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41695849] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:47:05,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:47:05,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:47:05,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546687399] [2023-04-01 05:47:05,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:47:05,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:47:05,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:47:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:47:05,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:47:05,781 INFO L87 Difference]: Start difference. First operand 338 states and 395 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:47:05,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:47:05,850 INFO L93 Difference]: Finished difference Result 511 states and 585 transitions. [2023-04-01 05:47:05,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:47:05,851 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 119 [2023-04-01 05:47:05,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:47:05,854 INFO L225 Difference]: With dead ends: 511 [2023-04-01 05:47:05,854 INFO L226 Difference]: Without dead ends: 340 [2023-04-01 05:47:05,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:47:05,856 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 708 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 [2023-04-01 05:47:05,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 708 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:47:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2023-04-01 05:47:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2023-04-01 05:47:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 174 states have (on average 1.1839080459770115) internal successors, (206), 178 states have internal predecessors, (206), 98 states have call successors, (98), 71 states have call predecessors, (98), 67 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-04-01 05:47:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 397 transitions. [2023-04-01 05:47:05,872 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 397 transitions. Word has length 119 [2023-04-01 05:47:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:47:05,873 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 397 transitions. [2023-04-01 05:47:05,873 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, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:47:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 397 transitions. [2023-04-01 05:47:05,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-01 05:47:05,875 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:47:05,875 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] [2023-04-01 05:47:05,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:47:05,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:47:05,876 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:47:05,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1263878939, now seen corresponding path program 1 times [2023-04-01 05:47:05,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:47:05,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63642811] [2023-04-01 05:47:05,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:47:05,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:47:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:47:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:47:06,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:47:06,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63642811] [2023-04-01 05:47:06,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63642811] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:47:06,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:47:06,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:47:06,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052802471] [2023-04-01 05:47:06,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:47:06,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:47:06,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:47:06,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:47:06,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:47:06,040 INFO L87 Difference]: Start difference. First operand 340 states and 397 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:47:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:47:06,151 INFO L93 Difference]: Finished difference Result 662 states and 801 transitions. [2023-04-01 05:47:06,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:47:06,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 124 [2023-04-01 05:47:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:47:06,153 INFO L225 Difference]: With dead ends: 662 [2023-04-01 05:47:06,153 INFO L226 Difference]: Without dead ends: 380 [2023-04-01 05:47:06,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:47:06,155 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 52 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 710 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 [2023-04-01 05:47:06,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 710 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:47:06,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2023-04-01 05:47:06,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 379. [2023-04-01 05:47:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 205 states have (on average 1.2585365853658537) internal successors, (258), 209 states have internal predecessors, (258), 106 states have call successors, (106), 71 states have call predecessors, (106), 67 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-04-01 05:47:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 465 transitions. [2023-04-01 05:47:06,174 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 465 transitions. Word has length 124 [2023-04-01 05:47:06,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:47:06,174 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 465 transitions. [2023-04-01 05:47:06,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:47:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 465 transitions. [2023-04-01 05:47:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 05:47:06,179 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:47:06,179 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] [2023-04-01 05:47:06,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:47:06,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:47:06,180 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:47:06,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1364345457, now seen corresponding path program 1 times [2023-04-01 05:47:06,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:47:06,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119016453] [2023-04-01 05:47:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:47:06,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:47:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:47:06,424 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:47:06,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:47:06,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119016453] [2023-04-01 05:47:06,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119016453] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:47:06,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409842371] [2023-04-01 05:47:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:47:06,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:47:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:47:06,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 05:47:06,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 05:47:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:47:06,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:47:06,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:47:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:47:06,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:47:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 05:47:07,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409842371] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:47:07,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1219962983] [2023-04-01 05:47:07,134 INFO L159 IcfgInterpreter]: Started Sifa with 112 locations of interest [2023-04-01 05:47:07,134 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:47:07,136 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:47:07,139 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:47:07,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:47:10,591 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:47:11,141 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 309 for LOIs [2023-04-01 05:47:16,261 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-01 05:47:18,828 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-01 05:47:20,344 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-01 05:47:21,079 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-01 05:47:22,509 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-01 05:47:23,379 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs