/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_spec0_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:40:16,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:40:16,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:40:16,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:40:16,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:40:16,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:40:16,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:40:16,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:40:16,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:40:16,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:40:16,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:40:16,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:40:16,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:40:16,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:40:16,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:40:16,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:40:16,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:40:16,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:40:16,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:40:16,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:40:16,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:40:16,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:40:16,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:40:16,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:40:16,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:40:16,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:40:16,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:40:16,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:40:16,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:40:16,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:40:16,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:40:16,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:40:16,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:40:16,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:40:16,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:40:16,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:40:16,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:40:16,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:40:16,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:40:16,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:40:16,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:40:16,888 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 05:40:16,915 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:40:16,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:40:16,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:40:16,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:40:16,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:40:16,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:40:16,917 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:40:16,917 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:40:16,917 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:40:16,917 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:40:16,918 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:40:16,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:40:16,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:40:16,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:40:16,918 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:40:16,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:40:16,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:40:16,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:40:16,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:40:16,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:40:16,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:40:16,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:40:16,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:40:16,921 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:40:16,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:40:16,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:40:16,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:40:16,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:40:17,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:40:17,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:40:17,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:40:17,139 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:40:17,140 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:40:17,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2023-04-01 05:40:18,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:40:18,442 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:40:18,442 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2023-04-01 05:40:18,456 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/583594c8d/1e6804cc0ca4403394bbbaf790fb6e05/FLAG27a0e91dc [2023-04-01 05:40:18,468 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/583594c8d/1e6804cc0ca4403394bbbaf790fb6e05 [2023-04-01 05:40:18,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:40:18,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:40:18,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:40:18,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:40:18,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:40:18,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:40:18" (1/1) ... [2023-04-01 05:40:18,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d18cdaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:18, skipping insertion in model container [2023-04-01 05:40:18,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:40:18" (1/1) ... [2023-04-01 05:40:18,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:40:18,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:40:18,691 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_product40.cil.c[7657,7670] [2023-04-01 05:40:18,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:40:18,882 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:40:18,918 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_product40.cil.c[7657,7670] [2023-04-01 05:40:19,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:40:19,041 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:40:19,048 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:40:19,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19 WrapperNode [2023-04-01 05:40:19,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:40:19,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:40:19,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:40:19,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:40:19,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:40:19,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:40:19,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:40:19,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:40:19,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (1/1) ... [2023-04-01 05:40:19,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:40:19,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:40:19,183 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 05:40:19,197 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 05:40:19,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:40:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:40:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:40:19,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:40:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:40:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:40:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:40:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 05:40:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:40:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:40:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:40:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:40:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:40:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:40:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:40:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:40:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:40:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:40:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:40:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:40:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:40:19,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:40:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:40:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:40:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:40:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:40:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 05:40:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:40:19,233 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:40:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:40:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:40:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:40:19,234 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:40:19,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:40:19,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:40:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:40:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:40:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:40:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:40:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:40:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:40:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:40:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:40:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:40:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:40:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:40:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:40:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:40:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:40:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:40:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:40:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:40:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:40:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:40:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:40:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:40:19,247 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 05:40:19,248 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:40:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:40:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 05:40:19,249 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:40:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:40:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:40:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:40:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:40:19,670 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:40:19,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:40:20,524 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:40:21,073 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:40:21,073 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:40:21,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:40:21 BoogieIcfgContainer [2023-04-01 05:40:21,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:40:21,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:40:21,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:40:21,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:40:21,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:40:18" (1/3) ... [2023-04-01 05:40:21,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357342f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:40:21, skipping insertion in model container [2023-04-01 05:40:21,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:40:19" (2/3) ... [2023-04-01 05:40:21,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357342f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:40:21, skipping insertion in model container [2023-04-01 05:40:21,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:40:21" (3/3) ... [2023-04-01 05:40:21,086 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2023-04-01 05:40:21,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:40:21,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:40:21,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:40:21,157 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;@18e8ad79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:40:21,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:40:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 357 states, 176 states have (on average 1.1875) internal successors, (209), 183 states have internal predecessors, (209), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-01 05:40:21,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-01 05:40:21,174 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:40:21,174 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, 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 05:40:21,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:40:21,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:40:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash -134749037, now seen corresponding path program 1 times [2023-04-01 05:40:21,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:40:21,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40370453] [2023-04-01 05:40:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:40:21,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:40:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:40:21,702 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 05:40:21,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:40:21,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40370453] [2023-04-01 05:40:21,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40370453] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:40:21,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:40:21,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:40:21,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672544459] [2023-04-01 05:40:21,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:40:21,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:40:21,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:40:21,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:40:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:40:21,752 INFO L87 Difference]: Start difference. First operand has 357 states, 176 states have (on average 1.1875) internal successors, (209), 183 states have internal predecessors, (209), 106 states have call successors, (106), 69 states have call predecessors, (106), 69 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 05:40:21,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:40:21,894 INFO L93 Difference]: Finished difference Result 489 states and 581 transitions. [2023-04-01 05:40:21,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:40:21,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 141 [2023-04-01 05:40:21,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:40:21,917 INFO L225 Difference]: With dead ends: 489 [2023-04-01 05:40:21,917 INFO L226 Difference]: Without dead ends: 330 [2023-04-01 05:40:21,922 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 05:40:21,924 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:40:21,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 360 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:40:21,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-04-01 05:40:21,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2023-04-01 05:40:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 163 states have (on average 1.1717791411042944) internal successors, (191), 167 states have internal predecessors, (191), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-01 05:40:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 388 transitions. [2023-04-01 05:40:21,995 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 388 transitions. Word has length 141 [2023-04-01 05:40:21,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:40:21,996 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 388 transitions. [2023-04-01 05:40:21,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 05:40:21,997 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 388 transitions. [2023-04-01 05:40:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-01 05:40:22,000 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:40:22,000 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, 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 05:40:22,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:40:22,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:40:22,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:40:22,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1818082791, now seen corresponding path program 1 times [2023-04-01 05:40:22,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:40:22,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042318037] [2023-04-01 05:40:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:40:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:40:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:40:22,284 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 05:40:22,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:40:22,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042318037] [2023-04-01 05:40:22,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042318037] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:40:22,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:40:22,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:40:22,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310261695] [2023-04-01 05:40:22,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:40:22,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:40:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:40:22,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:40:22,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:40:22,290 INFO L87 Difference]: Start difference. First operand 330 states and 388 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 05:40:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:40:22,421 INFO L93 Difference]: Finished difference Result 474 states and 549 transitions. [2023-04-01 05:40:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:40:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 142 [2023-04-01 05:40:22,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:40:22,428 INFO L225 Difference]: With dead ends: 474 [2023-04-01 05:40:22,428 INFO L226 Difference]: Without dead ends: 332 [2023-04-01 05:40:22,432 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 05:40:22,434 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:40:22,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 700 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:40:22,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-04-01 05:40:22,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2023-04-01 05:40:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 165 states have (on average 1.1696969696969697) internal successors, (193), 169 states have internal predecessors, (193), 101 states have call successors, (101), 69 states have call predecessors, (101), 65 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-04-01 05:40:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 390 transitions. [2023-04-01 05:40:22,470 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 390 transitions. Word has length 142 [2023-04-01 05:40:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:40:22,470 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 390 transitions. [2023-04-01 05:40:22,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 05:40:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 390 transitions. [2023-04-01 05:40:22,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-04-01 05:40:22,478 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:40:22,478 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:40:22,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:40:22,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:40:22,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:40:22,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1316269909, now seen corresponding path program 1 times [2023-04-01 05:40:22,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:40:22,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406394605] [2023-04-01 05:40:22,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:40:22,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:40:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:40:22,682 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 05:40:22,683 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:40:22,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406394605] [2023-04-01 05:40:22,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406394605] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:40:22,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:40:22,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:40:22,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046728893] [2023-04-01 05:40:22,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:40:22,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:40:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:40:22,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:40:22,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:40:22,686 INFO L87 Difference]: Start difference. First operand 332 states and 390 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:40:22,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:40:22,778 INFO L93 Difference]: Finished difference Result 650 states and 793 transitions. [2023-04-01 05:40:22,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:40:22,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 154 [2023-04-01 05:40:22,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:40:22,781 INFO L225 Difference]: With dead ends: 650 [2023-04-01 05:40:22,781 INFO L226 Difference]: Without dead ends: 376 [2023-04-01 05:40:22,797 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 05:40:22,798 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 54 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:40:22,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 702 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:40:22,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-04-01 05:40:22,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2023-04-01 05:40:22,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 198 states have (on average 1.2474747474747474) internal successors, (247), 202 states have internal predecessors, (247), 111 states have call successors, (111), 69 states have call predecessors, (111), 65 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2023-04-01 05:40:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 464 transitions. [2023-04-01 05:40:22,827 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 464 transitions. Word has length 154 [2023-04-01 05:40:22,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:40:22,828 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 464 transitions. [2023-04-01 05:40:22,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:40:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 464 transitions. [2023-04-01 05:40:22,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-04-01 05:40:22,830 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:40:22,830 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:40:22,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:40:22,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:40:22,831 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:40:22,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1706671015, now seen corresponding path program 1 times [2023-04-01 05:40:22,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:40:22,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701640383] [2023-04-01 05:40:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:40:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:40:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:40:23,052 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 05:40:23,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:40:23,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701640383] [2023-04-01 05:40:23,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701640383] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:40:23,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347671779] [2023-04-01 05:40:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:40:23,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:40:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:40:23,056 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 05:40:23,057 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 05:40:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:40:23,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 2221 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:40:23,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:40:23,600 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 05:40:23,600 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:40:23,796 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 05:40:23,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347671779] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:40:23,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [401391592] [2023-04-01 05:40:23,816 INFO L159 IcfgInterpreter]: Started Sifa with 142 locations of interest [2023-04-01 05:40:23,817 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:40:23,819 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:40:23,824 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:40:23,824 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:40:27,557 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:40:28,121 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 345 for LOIs [2023-04-01 05:40:34,632 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-01 05:40:37,346 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-01 05:40:39,050 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-01 05:40:39,909 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-01 05:40:41,497 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-01 05:40:42,379 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs