/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 EqDomain -i ../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:56:39,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:56:39,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:56:39,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:56:39,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:56:39,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:56:39,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:56:39,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:56:39,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:56:39,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:56:39,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:56:39,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:56:39,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:56:39,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:56:39,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:56:39,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:56:39,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:56:39,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:56:39,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:56:39,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:56:39,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:56:39,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:56:39,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:56:39,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:56:39,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:56:39,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:56:39,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:56:39,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:56:39,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:56:39,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:56:39,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:56:39,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:56:39,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:56:39,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:56:39,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:56:39,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:56:39,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:56:39,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:56:39,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:56:39,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:56:39,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:56:39,610 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 11:56:39,634 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:56:39,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:56:39,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:56:39,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:56:39,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:56:39,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:56:39,636 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:56:39,636 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:56:39,636 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:56:39,636 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:56:39,637 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:56:39,637 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:56:39,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:56:39,638 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:56:39,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:56:39,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:56:39,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:56:39,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:56:39,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:56:39,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:56:39,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:56:39,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:56:39,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:56:39,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:56:39,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:56:39,846 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:56:39,847 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:56:39,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2023-04-01 11:56:40,978 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:56:41,229 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:56:41,230 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product12.cil.c [2023-04-01 11:56:41,244 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40662262/4e63e8dcc535423b922ead5f0f72011e/FLAG2c80ce1fc [2023-04-01 11:56:41,256 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40662262/4e63e8dcc535423b922ead5f0f72011e [2023-04-01 11:56:41,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:56:41,258 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:56:41,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:56:41,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:56:41,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:56:41,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d2e667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41, skipping insertion in model container [2023-04-01 11:56:41,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:56:41,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:56:41,494 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_spec8_product12.cil.c[16969,16982] [2023-04-01 11:56:41,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:56:41,589 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:56:41,628 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_spec8_product12.cil.c[16969,16982] [2023-04-01 11:56:41,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:56:41,690 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:56:41,695 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:56:41,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41 WrapperNode [2023-04-01 11:56:41,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:56:41,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:56:41,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:56:41,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:56:41,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,894 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:56:41,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:56:41,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:56:41,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:56:41,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (1/1) ... [2023-04-01 11:56:41,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:56:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:56:41,951 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 11:56:41,971 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 11:56:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:56:41,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:56:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:56:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:56:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:56:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:56:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:56:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:56:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:56:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:56:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:56:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:56:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:56:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 11:56:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 11:56:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:56:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:56:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:56:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:56:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:56:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:56:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:56:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:56:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:56:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:56:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:56:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:56:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:56:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:56:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:56:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:56:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:56:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:56:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:56:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:56:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:56:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:56:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:56:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:56:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:56:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:56:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:56:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:56:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:56:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:56:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:56:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:56:42,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:56:42,002 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:56:42,003 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:56:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:56:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:56:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:56:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:56:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:56:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 11:56:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 11:56:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:56:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:56:42,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:56:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:56:42,242 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:56:42,244 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:56:43,160 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:56:43,713 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:56:43,713 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:56:43,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:56:43 BoogieIcfgContainer [2023-04-01 11:56:43,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:56:43,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:56:43,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:56:43,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:56:43,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:56:41" (1/3) ... [2023-04-01 11:56:43,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274b8882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:56:43, skipping insertion in model container [2023-04-01 11:56:43,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:41" (2/3) ... [2023-04-01 11:56:43,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274b8882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:56:43, skipping insertion in model container [2023-04-01 11:56:43,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:56:43" (3/3) ... [2023-04-01 11:56:43,723 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2023-04-01 11:56:43,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:56:43,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:56:43,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:56:43,793 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;@1aba5777, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:56:43,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:56:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-01 11:56:43,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 11:56:43,818 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:43,818 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] [2023-04-01 11:56:43,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:43,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:43,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1073092603, now seen corresponding path program 1 times [2023-04-01 11:56:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:43,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787204073] [2023-04-01 11:56:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:43,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:44,260 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 11:56:44,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:44,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787204073] [2023-04-01 11:56:44,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787204073] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:44,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:44,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:56:44,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072079442] [2023-04-01 11:56:44,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:44,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:56:44,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:44,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:56:44,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:56:44,309 INFO L87 Difference]: Start difference. First operand has 314 states, 160 states have (on average 1.21875) internal successors, (195), 166 states have internal predecessors, (195), 89 states have call successors, (89), 58 states have call predecessors, (89), 58 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:56:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:44,414 INFO L93 Difference]: Finished difference Result 405 states and 482 transitions. [2023-04-01 11:56:44,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:56:44,417 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-01 11:56:44,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:44,426 INFO L225 Difference]: With dead ends: 405 [2023-04-01 11:56:44,426 INFO L226 Difference]: Without dead ends: 274 [2023-04-01 11:56:44,431 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 11:56:44,434 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:44,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:44,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-04-01 11:56:44,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2023-04-01 11:56:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 141 states have (on average 1.2127659574468086) internal successors, (171), 144 states have internal predecessors, (171), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-01 11:56:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 326 transitions. [2023-04-01 11:56:44,500 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 326 transitions. Word has length 114 [2023-04-01 11:56:44,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:44,501 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 326 transitions. [2023-04-01 11:56:44,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:56:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 326 transitions. [2023-04-01 11:56:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 11:56:44,504 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:44,504 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] [2023-04-01 11:56:44,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:56:44,504 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:44,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1976318161, now seen corresponding path program 1 times [2023-04-01 11:56:44,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:44,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764498312] [2023-04-01 11:56:44,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:44,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:44,789 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 11:56:44,789 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:44,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764498312] [2023-04-01 11:56:44,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764498312] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:44,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:44,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:56:44,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523844090] [2023-04-01 11:56:44,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:44,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:56:44,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:44,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:56:44,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:56:44,792 INFO L87 Difference]: Start difference. First operand 274 states and 326 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:56:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:44,877 INFO L93 Difference]: Finished difference Result 390 states and 454 transitions. [2023-04-01 11:56:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:56:44,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-01 11:56:44,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:44,883 INFO L225 Difference]: With dead ends: 390 [2023-04-01 11:56:44,884 INFO L226 Difference]: Without dead ends: 276 [2023-04-01 11:56:44,889 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 11:56:44,891 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:44,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 590 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:56:44,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-04-01 11:56:44,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2023-04-01 11:56:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 143 states have (on average 1.2097902097902098) internal successors, (173), 146 states have internal predecessors, (173), 80 states have call successors, (80), 56 states have call predecessors, (80), 52 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2023-04-01 11:56:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 328 transitions. [2023-04-01 11:56:44,906 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 328 transitions. Word has length 115 [2023-04-01 11:56:44,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:44,906 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 328 transitions. [2023-04-01 11:56:44,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:56:44,907 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 328 transitions. [2023-04-01 11:56:44,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-01 11:56:44,908 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:44,908 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] [2023-04-01 11:56:44,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:56:44,913 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:44,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:44,914 INFO L85 PathProgramCache]: Analyzing trace with hash -403924933, now seen corresponding path program 1 times [2023-04-01 11:56:44,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:44,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44963579] [2023-04-01 11:56:44,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:44,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:45,089 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 11:56:45,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:45,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44963579] [2023-04-01 11:56:45,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44963579] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:45,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:45,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:56:45,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227395317] [2023-04-01 11:56:45,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:45,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:56:45,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:45,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:56:45,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:56:45,093 INFO L87 Difference]: Start difference. First operand 276 states and 328 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:56:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:45,167 INFO L93 Difference]: Finished difference Result 532 states and 660 transitions. [2023-04-01 11:56:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:56:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 120 [2023-04-01 11:56:45,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:45,171 INFO L225 Difference]: With dead ends: 532 [2023-04-01 11:56:45,171 INFO L226 Difference]: Without dead ends: 314 [2023-04-01 11:56:45,174 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 11:56:45,177 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 51 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:45,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 588 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:56:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-01 11:56:45,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2023-04-01 11:56:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 173 states have (on average 1.2947976878612717) internal successors, (224), 176 states have internal predecessors, (224), 87 states have call successors, (87), 56 states have call predecessors, (87), 52 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-04-01 11:56:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 393 transitions. [2023-04-01 11:56:45,198 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 393 transitions. Word has length 120 [2023-04-01 11:56:45,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:45,199 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 393 transitions. [2023-04-01 11:56:45,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 11:56:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 393 transitions. [2023-04-01 11:56:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 11:56:45,202 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:45,202 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] [2023-04-01 11:56:45,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:56:45,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:45,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1346625575, now seen corresponding path program 1 times [2023-04-01 11:56:45,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573485897] [2023-04-01 11:56:45,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:45,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:45,379 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 11:56:45,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573485897] [2023-04-01 11:56:45,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573485897] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:56:45,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368387616] [2023-04-01 11:56:45,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:45,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:56:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:56:45,383 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 11:56:45,387 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 11:56:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:45,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:56:45,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:56:45,843 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 11:56:45,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:56:46,037 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 11:56:46,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368387616] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:56:46,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2094417125] [2023-04-01 11:56:46,089 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-01 11:56:46,090 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:56:46,092 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:56:46,096 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:56:46,096 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:56:59,601 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:57:00,063 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 551 for LOIs [2023-04-01 11:57:09,667 WARN L223 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 551 DAG size of output: 551 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:17,586 WARN L223 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 551 DAG size of output: 551 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:25,505 WARN L223 SmtUtils]: Spent 7.91s on a formula simplification. DAG size of input: 551 DAG size of output: 551 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:33,379 WARN L223 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 551 DAG size of output: 551 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:42,695 WARN L223 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 551 DAG size of output: 551 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:50,586 WARN L223 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 551 DAG size of output: 551 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)