/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_spec7_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:49:39,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:49:39,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:49:39,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:49:39,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:49:39,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:49:39,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:49:39,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:49:39,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:49:39,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:49:39,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:49:39,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:49:39,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:49:39,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:49:39,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:49:39,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:49:39,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:49:39,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:49:39,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:49:39,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:49:39,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:49:39,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:49:39,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:49:39,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:49:39,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:49:39,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:49:39,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:49:39,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:49:39,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:49:39,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:49:39,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:49:39,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:49:39,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:49:39,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:49:39,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:49:39,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:49:39,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:49:39,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:49:39,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:49:39,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:49:39,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:49:39,865 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 05:49:39,895 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:49:39,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:49:39,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:49:39,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:49:39,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:49:39,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:49:39,897 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:49:39,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:49:39,898 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:49:39,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:49:39,898 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:49:39,899 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:49:39,899 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:49:39,899 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:49:39,899 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:49:39,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:49:39,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:49:39,899 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:49:39,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:49:39,900 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:49:39,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:49:39,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:49:39,901 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:49:39,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:49:39,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:49:39,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:49:39,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:49:39,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:49:39,902 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:49:39,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:49:39,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:49:39,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:49:39,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:49:39,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:49:39,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:49:39,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:49:40,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:49:40,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:49:40,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:49:40,179 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:49:40,180 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:49:40,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2023-04-01 05:49:41,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:49:41,621 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:49:41,621 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2023-04-01 05:49:41,640 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9ab0702/fe5f7352cc2c43e0ac2ec300a3ad37d0/FLAGebee8314d [2023-04-01 05:49:41,651 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9ab0702/fe5f7352cc2c43e0ac2ec300a3ad37d0 [2023-04-01 05:49:41,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:49:41,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:49:41,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:49:41,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:49:41,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:49:41,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:49:41" (1/1) ... [2023-04-01 05:49:41,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b933201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:41, skipping insertion in model container [2023-04-01 05:49:41,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:49:41" (1/1) ... [2023-04-01 05:49:41,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:49:41,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:49:42,112 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_spec7_product17.cil.c[48205,48218] [2023-04-01 05:49:42,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:49:42,235 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:49:42,319 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_spec7_product17.cil.c[48205,48218] [2023-04-01 05:49:42,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:49:42,387 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:49:42,393 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:49:42,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42 WrapperNode [2023-04-01 05:49:42,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:49:42,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:49:42,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:49:42,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:49:42,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:49:42,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:49:42,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:49:42,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:49:42,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (1/1) ... [2023-04-01 05:49:42,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:49:42,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:49:42,540 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 05:49:42,564 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 05:49:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:49:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:49:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:49:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:49:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-01 05:49:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:49:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:49:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:49:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:49:42,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:49:42,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:49:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:49:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:49:42,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:49:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:49:42,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:49:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-01 05:49:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:49:42,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:49:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:49:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:49:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:49:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:49:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:49:42,595 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:49:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:49:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:49:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:49:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:49:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:49:42,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:49:42,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:49:42,601 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:49:42,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:49:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:49:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:49:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:49:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:49:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:49:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-01 05:49:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 05:49:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:49:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:49:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:49:42,953 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:49:42,957 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:49:44,036 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:49:44,761 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:49:44,762 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:49:44,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:49:44 BoogieIcfgContainer [2023-04-01 05:49:44,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:49:44,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:49:44,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:49:44,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:49:44,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:49:41" (1/3) ... [2023-04-01 05:49:44,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71542eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:49:44, skipping insertion in model container [2023-04-01 05:49:44,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:49:42" (2/3) ... [2023-04-01 05:49:44,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71542eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:49:44, skipping insertion in model container [2023-04-01 05:49:44,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:49:44" (3/3) ... [2023-04-01 05:49:44,773 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product17.cil.c [2023-04-01 05:49:44,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:49:44,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:49:44,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:49:44,845 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;@57f2fa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:49:44,846 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:49:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 365 states, 182 states have (on average 1.1978021978021978) internal successors, (218), 189 states have internal predecessors, (218), 105 states have call successors, (105), 69 states have call predecessors, (105), 69 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-01 05:49:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 05:49:44,866 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:49:44,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-01 05:49:44,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:49:44,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:49:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 187121562, now seen corresponding path program 1 times [2023-04-01 05:49:44,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:49:44,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472239880] [2023-04-01 05:49:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:49:44,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:49:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:49:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:49:45,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:49:45,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472239880] [2023-04-01 05:49:45,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472239880] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:49:45,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:49:45,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:49:45,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078724836] [2023-04-01 05:49:45,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:49:45,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:49:45,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:49:45,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:49:45,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:49:45,401 INFO L87 Difference]: Start difference. First operand has 365 states, 182 states have (on average 1.1978021978021978) internal successors, (218), 189 states have internal predecessors, (218), 105 states have call successors, (105), 69 states have call predecessors, (105), 69 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 05:49:45,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:49:45,551 INFO L93 Difference]: Finished difference Result 487 states and 576 transitions. [2023-04-01 05:49:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:49:45,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 128 [2023-04-01 05:49:45,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:49:45,571 INFO L225 Difference]: With dead ends: 487 [2023-04-01 05:49:45,571 INFO L226 Difference]: Without dead ends: 322 [2023-04-01 05:49:45,577 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 05:49:45,581 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:49:45,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:49:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-04-01 05:49:45,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2023-04-01 05:49:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 162 states have (on average 1.191358024691358) internal successors, (193), 166 states have internal predecessors, (193), 95 states have call successors, (95), 68 states have call predecessors, (95), 64 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-01 05:49:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 378 transitions. [2023-04-01 05:49:45,655 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 378 transitions. Word has length 128 [2023-04-01 05:49:45,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:49:45,657 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 378 transitions. [2023-04-01 05:49:45,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 05:49:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 378 transitions. [2023-04-01 05:49:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-01 05:49:45,662 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:49:45,662 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-04-01 05:49:45,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:49:45,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:49:45,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:49:45,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1507879052, now seen corresponding path program 1 times [2023-04-01 05:49:45,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:49:45,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992975302] [2023-04-01 05:49:45,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:49:45,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:49:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:49:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:49:46,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:49:46,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992975302] [2023-04-01 05:49:46,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992975302] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:49:46,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:49:46,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:49:46,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433154880] [2023-04-01 05:49:46,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:49:46,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:49:46,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:49:46,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:49:46,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:49:46,111 INFO L87 Difference]: Start difference. First operand 322 states and 378 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 05:49:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:49:46,230 INFO L93 Difference]: Finished difference Result 472 states and 543 transitions. [2023-04-01 05:49:46,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:49:46,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 129 [2023-04-01 05:49:46,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:49:46,234 INFO L225 Difference]: With dead ends: 472 [2023-04-01 05:49:46,234 INFO L226 Difference]: Without dead ends: 324 [2023-04-01 05:49:46,235 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 05:49:46,236 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:49:46,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 678 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:49:46,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2023-04-01 05:49:46,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2023-04-01 05:49:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 164 states have (on average 1.1890243902439024) internal successors, (195), 168 states have internal predecessors, (195), 95 states have call successors, (95), 68 states have call predecessors, (95), 64 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-01 05:49:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 380 transitions. [2023-04-01 05:49:46,257 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 380 transitions. Word has length 129 [2023-04-01 05:49:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:49:46,258 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 380 transitions. [2023-04-01 05:49:46,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 05:49:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 380 transitions. [2023-04-01 05:49:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-01 05:49:46,260 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:49:46,261 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] [2023-04-01 05:49:46,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:49:46,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:49:46,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:49:46,262 INFO L85 PathProgramCache]: Analyzing trace with hash 522573143, now seen corresponding path program 1 times [2023-04-01 05:49:46,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:49:46,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013027007] [2023-04-01 05:49:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:49:46,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:49:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:49:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:49:46,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:49:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013027007] [2023-04-01 05:49:46,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013027007] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:49:46,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:49:46,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:49:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973956849] [2023-04-01 05:49:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:49:46,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:49:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:49:46,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:49:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:49:46,466 INFO L87 Difference]: Start difference. First operand 324 states and 380 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 05:49:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:49:46,596 INFO L93 Difference]: Finished difference Result 630 states and 767 transitions. [2023-04-01 05:49:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:49:46,609 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 134 [2023-04-01 05:49:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:49:46,613 INFO L225 Difference]: With dead ends: 630 [2023-04-01 05:49:46,613 INFO L226 Difference]: Without dead ends: 364 [2023-04-01 05:49:46,614 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 05:49:46,615 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 52 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:49:46,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 678 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:49:46,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-04-01 05:49:46,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 363. [2023-04-01 05:49:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 195 states have (on average 1.2666666666666666) internal successors, (247), 199 states have internal predecessors, (247), 103 states have call successors, (103), 68 states have call predecessors, (103), 64 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-01 05:49:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 448 transitions. [2023-04-01 05:49:46,675 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 448 transitions. Word has length 134 [2023-04-01 05:49:46,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:49:46,675 INFO L495 AbstractCegarLoop]: Abstraction has 363 states and 448 transitions. [2023-04-01 05:49:46,676 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, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 05:49:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 448 transitions. [2023-04-01 05:49:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-01 05:49:46,678 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:49:46,678 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] [2023-04-01 05:49:46,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:49:46,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:49:46,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:49:46,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1133729128, now seen corresponding path program 1 times [2023-04-01 05:49:46,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:49:46,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242697697] [2023-04-01 05:49:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:49:46,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:49:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:49:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:49:46,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:49:46,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242697697] [2023-04-01 05:49:46,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242697697] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:49:46,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29125364] [2023-04-01 05:49:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:49:46,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:49:46,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:49:46,977 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 05:49:47,013 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 05:49:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:49:47,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:49:47,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:49:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:49:47,622 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:49:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:49:47,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29125364] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:49:47,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1215395937] [2023-04-01 05:49:47,851 INFO L159 IcfgInterpreter]: Started Sifa with 124 locations of interest [2023-04-01 05:49:47,852 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:49:47,862 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:49:47,866 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:49:47,867 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:49:52,888 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 05:49:53,477 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 339 for LOIs [2023-04-01 05:50:00,534 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-01 05:50:03,354 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-01 05:50:04,931 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-01 05:50:05,661 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-01 05:50:07,225 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-01 05:50:08,222 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs