/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_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:09:39,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:09:39,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:09:39,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:09:39,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:09:39,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:09:39,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:09:39,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:09:39,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:09:39,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:09:39,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:09:39,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:09:39,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:09:39,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:09:39,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:09:39,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:09:39,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:09:39,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:09:39,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:09:39,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:09:39,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:09:39,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:09:39,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:09:39,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:09:39,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:09:39,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:09:39,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:09:39,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:09:39,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:09:39,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:09:39,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:09:39,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:09:39,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:09:39,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:09:39,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:09:39,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:09:39,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:09:39,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:09:39,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:09:39,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:09:39,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:09:39,691 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 [2023-04-03 00:09:39,721 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:09:39,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:09:39,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:09:39,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:09:39,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:09:39,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:09:39,724 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:09:39,724 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:09:39,724 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:09:39,724 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:09:39,725 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:09:39,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:09:39,725 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:09:39,725 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:09:39,725 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:09:39,726 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:09:39,726 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:09:39,726 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:09:39,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:09:39,727 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:09:39,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:09:39,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:09:39,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:09:39,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:09:39,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:09:39,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:09:39,728 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:09:39,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:09:39,728 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:09:39,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:09:39,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:09:39,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:09:39,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:09:39,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:09:39,729 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:09:39,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:09:39,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:09:39,729 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:09:39,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:09:39,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:09:39,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:09:39,730 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:09:39,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:09:40,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:09:40,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:09:40,016 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:09:40,017 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:09:40,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2023-04-03 00:09:41,321 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:09:41,570 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:09:41,572 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2023-04-03 00:09:41,593 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81552f785/8266dff8d366493bbb9a35f63124a17f/FLAGa8e9d80eb [2023-04-03 00:09:41,606 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81552f785/8266dff8d366493bbb9a35f63124a17f [2023-04-03 00:09:41,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:09:41,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:09:41,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:09:41,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:09:41,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:09:41,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:09:41" (1/1) ... [2023-04-03 00:09:41,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7249c371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:41, skipping insertion in model container [2023-04-03 00:09:41,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:09:41" (1/1) ... [2023-04-03 00:09:41,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:09:41,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:09:42,123 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_spec11_product37.cil.c[43755,43768] [2023-04-03 00:09:42,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:09:42,263 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:09:42,337 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_spec11_product37.cil.c[43755,43768] [2023-04-03 00:09:42,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:09:42,390 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:09:42,397 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:09:42,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42 WrapperNode [2023-04-03 00:09:42,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:09:42,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:09:42,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:09:42,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:09:42,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:09:42,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:09:42,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:09:42,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:09:42,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (1/1) ... [2023-04-03 00:09:42,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:09:42,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:09:42,602 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) [2023-04-03 00:09:42,631 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 [2023-04-03 00:09:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:09:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:09:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:09:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:09:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:09:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:09:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:09:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:09:42,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:09:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:09:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:09:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:09:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:09:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:09:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:09:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:09:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:09:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:09:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:09:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:09:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:09:42,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:09:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:09:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:09:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:09:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:09:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:09:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:09:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:09:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:09:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:09:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-03 00:09:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:09:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:09:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:09:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:09:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:09:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:09:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:09:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:09:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:09:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:09:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:09:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:09:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:09:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:09:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:09:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:09:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:09:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:09:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:09:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:09:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:09:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:09:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:09:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:09:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:09:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:09:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:09:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:09:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:09:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:09:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:09:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:09:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:09:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:09:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:09:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:09:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:09:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:09:42,672 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:09:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:09:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:09:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:09:42,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:09:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:09:42,674 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:09:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:09:42,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:09:42,682 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:09:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:09:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:09:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:09:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:09:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:09:42,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:09:42,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:09:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:09:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:09:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:09:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:09:42,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:09:42,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:09:42,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:09:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:09:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:09:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:09:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:09:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:09:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:09:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:09:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:09:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:09:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:09:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:09:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:09:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:09:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:09:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:09:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:09:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:09:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:09:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:09:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:09:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:09:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:09:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:09:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-03 00:09:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:09:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:09:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:09:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:09:43,085 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:09:43,091 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:09:44,124 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:09:44,955 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:09:44,956 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:09:44,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:09:44 BoogieIcfgContainer [2023-04-03 00:09:44,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:09:44,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:09:44,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:09:44,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:09:44,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:09:41" (1/3) ... [2023-04-03 00:09:44,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ba8160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:09:44, skipping insertion in model container [2023-04-03 00:09:44,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:09:42" (2/3) ... [2023-04-03 00:09:44,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ba8160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:09:44, skipping insertion in model container [2023-04-03 00:09:44,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:09:44" (3/3) ... [2023-04-03 00:09:44,967 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2023-04-03 00:09:44,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:09:44,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:09:45,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:09:45,043 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;@49e01cc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:09:45,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:09:45,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 312 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 162 states have internal predecessors, (187), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:09:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-04-03 00:09:45,080 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:45,081 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] [2023-04-03 00:09:45,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:45,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:45,088 INFO L85 PathProgramCache]: Analyzing trace with hash 524914331, now seen corresponding path program 1 times [2023-04-03 00:09:45,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:45,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668225899] [2023-04-03 00:09:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:09:45,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:45,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668225899] [2023-04-03 00:09:45,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668225899] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:09:45,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:09:45,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:09:45,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915408901] [2023-04-03 00:09:45,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:09:45,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:09:45,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:09:45,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:09:45,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:09:45,710 INFO L87 Difference]: Start difference. First operand has 312 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 162 states have internal predecessors, (187), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:09:45,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:09:45,854 INFO L93 Difference]: Finished difference Result 425 states and 500 transitions. [2023-04-03 00:09:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:09:45,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 124 [2023-04-03 00:09:45,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:09:45,876 INFO L225 Difference]: With dead ends: 425 [2023-04-03 00:09:45,876 INFO L226 Difference]: Without dead ends: 291 [2023-04-03 00:09:45,882 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 [2023-04-03 00:09:45,885 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:09:45,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 319 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:09:45,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-04-03 00:09:45,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-04-03 00:09:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 147 states have (on average 1.183673469387755) internal successors, (174), 150 states have internal predecessors, (174), 86 states have call successors, (86), 61 states have call predecessors, (86), 57 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-03 00:09:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 341 transitions. [2023-04-03 00:09:45,965 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 341 transitions. Word has length 124 [2023-04-03 00:09:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:09:45,967 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 341 transitions. [2023-04-03 00:09:45,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:09:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 341 transitions. [2023-04-03 00:09:45,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-03 00:09:45,975 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:45,975 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] [2023-04-03 00:09:45,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:09:45,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:45,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash 332451947, now seen corresponding path program 1 times [2023-04-03 00:09:45,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:45,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291470184] [2023-04-03 00:09:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:09:46,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291470184] [2023-04-03 00:09:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291470184] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:09:46,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:09:46,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:09:46,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812506328] [2023-04-03 00:09:46,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:09:46,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:09:46,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:09:46,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:09:46,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:09:46,406 INFO L87 Difference]: Start difference. First operand 291 states and 341 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:09:46,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:09:46,613 INFO L93 Difference]: Finished difference Result 410 states and 470 transitions. [2023-04-03 00:09:46,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:09:46,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 125 [2023-04-03 00:09:46,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:09:46,621 INFO L225 Difference]: With dead ends: 410 [2023-04-03 00:09:46,621 INFO L226 Difference]: Without dead ends: 293 [2023-04-03 00:09:46,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:09:46,628 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 0 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 00:09:46,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 618 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 00:09:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-04-03 00:09:46,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2023-04-03 00:09:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 149 states have (on average 1.1812080536912752) internal successors, (176), 152 states have internal predecessors, (176), 86 states have call successors, (86), 61 states have call predecessors, (86), 57 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-04-03 00:09:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 343 transitions. [2023-04-03 00:09:46,669 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 343 transitions. Word has length 125 [2023-04-03 00:09:46,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:09:46,669 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 343 transitions. [2023-04-03 00:09:46,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:09:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 343 transitions. [2023-04-03 00:09:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-03 00:09:46,672 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:46,672 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] [2023-04-03 00:09:46,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:09:46,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:46,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:46,679 INFO L85 PathProgramCache]: Analyzing trace with hash -971723834, now seen corresponding path program 1 times [2023-04-03 00:09:46,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:46,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305561462] [2023-04-03 00:09:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:09:46,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:46,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305561462] [2023-04-03 00:09:46,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305561462] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:09:46,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:09:46,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:09:46,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492068008] [2023-04-03 00:09:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:09:46,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:09:46,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:09:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:09:46,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:09:46,920 INFO L87 Difference]: Start difference. First operand 293 states and 343 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:09:47,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:09:47,037 INFO L93 Difference]: Finished difference Result 570 states and 696 transitions. [2023-04-03 00:09:47,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:09:47,038 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 137 [2023-04-03 00:09:47,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:09:47,041 INFO L225 Difference]: With dead ends: 570 [2023-04-03 00:09:47,041 INFO L226 Difference]: Without dead ends: 335 [2023-04-03 00:09:47,042 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 [2023-04-03 00:09:47,043 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 53 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:09:47,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 622 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:09:47,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-04-03 00:09:47,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 334. [2023-04-03 00:09:47,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 181 states have (on average 1.2651933701657458) internal successors, (229), 184 states have internal predecessors, (229), 95 states have call successors, (95), 61 states have call predecessors, (95), 57 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:09:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 414 transitions. [2023-04-03 00:09:47,069 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 414 transitions. Word has length 137 [2023-04-03 00:09:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:09:47,069 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 414 transitions. [2023-04-03 00:09:47,069 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-03 00:09:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 414 transitions. [2023-04-03 00:09:47,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-03 00:09:47,072 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:09:47,073 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] [2023-04-03 00:09:47,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:09:47,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:09:47,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:09:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1266574680, now seen corresponding path program 1 times [2023-04-03 00:09:47,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:09:47,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731112740] [2023-04-03 00:09:47,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:47,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:09:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:47,372 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:09:47,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:09:47,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731112740] [2023-04-03 00:09:47,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731112740] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:09:47,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212177863] [2023-04-03 00:09:47,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:09:47,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:09:47,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:09:47,381 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) [2023-04-03 00:09:47,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:09:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:09:47,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:09:47,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:09:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:09:48,039 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:09:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:09:48,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212177863] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:09:48,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1998369757] [2023-04-03 00:09:48,268 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2023-04-03 00:09:48,268 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:09:48,272 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:09:48,276 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:09:48,277 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:09:52,914 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:09:53,606 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 303 for LOIs [2023-04-03 00:09:59,421 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:10:02,279 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:10:04,014 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:10:04,773 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:10:06,236 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:10:07,117 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:13:52,732 WARN L223 SmtUtils]: Spent 3.73m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:13:52,905 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs