/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_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:46:01,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:46:01,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:46:02,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:46:02,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:46:02,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:46:02,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:46:02,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:46:02,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:46:02,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:46:02,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:46:02,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:46:02,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:46:02,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:46:02,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:46:02,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:46:02,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:46:02,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:46:02,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:46:02,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:46:02,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:46:02,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:46:02,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:46:02,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:46:02,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:46:02,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:46:02,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:46:02,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:46:02,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:46:02,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:46:02,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:46:02,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:46:02,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:46:02,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:46:02,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:46:02,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:46:02,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:46:02,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:46:02,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:46:02,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:46:02,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:46:02,047 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 00:46:02,073 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:46:02,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:46:02,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:46:02,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:46:02,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:46:02,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:46:02,075 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:46:02,075 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:46:02,075 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:46:02,075 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:46:02,075 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:46:02,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:46:02,076 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:46:02,076 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:46:02,076 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:46:02,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:46:02,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:46:02,076 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:46:02,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:46:02,076 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:46:02,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:46:02,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:46:02,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:46:02,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:46:02,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:46:02,079 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:46:02,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:46:02,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:46:02,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:46:02,281 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:46:02,284 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:46:02,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2023-04-03 00:46:03,309 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:46:03,566 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:46:03,566 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product14.cil.c [2023-04-03 00:46:03,588 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19248aba/231421a16abe43f5a9322b38323b9e53/FLAG6a45ff902 [2023-04-03 00:46:03,598 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a19248aba/231421a16abe43f5a9322b38323b9e53 [2023-04-03 00:46:03,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:46:03,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:46:03,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:46:03,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:46:03,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:46:03,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:46:03" (1/1) ... [2023-04-03 00:46:03,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13951721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:03, skipping insertion in model container [2023-04-03 00:46:03,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:46:03" (1/1) ... [2023-04-03 00:46:03,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:46:03,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:46:03,864 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_product14.cil.c[17564,17577] [2023-04-03 00:46:04,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:46:04,021 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:46:04,090 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_product14.cil.c[17564,17577] [2023-04-03 00:46:04,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:46:04,182 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:46:04,190 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:46:04,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04 WrapperNode [2023-04-03 00:46:04,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:46:04,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:46:04,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:46:04,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:46:04,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,313 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:46:04,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:46:04,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:46:04,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:46:04,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (1/1) ... [2023-04-03 00:46:04,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:46:04,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:46:04,414 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 00:46:04,430 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 00:46:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:46:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:46:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:46:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:46:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:46:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:46:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:46:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:46:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:46:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:46:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:46:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:46:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:46:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:46:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:46:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:46:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:46:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:46:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:46:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:46:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:46:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:46:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:46:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:46:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:46:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:46:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:46:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:46:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:46:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:46:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:46:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:46:04,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:46:04,471 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:46:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:46:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:46:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:46:04,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:46:04,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:46:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:46:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:46:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:46:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:46:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:46:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:46:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:46:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:46:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:46:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:46:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:46:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:46:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:46:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:46:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:46:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:46:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:46:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:46:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:46:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:46:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:46:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:46:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:46:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:46:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-03 00:46:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:46:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:46:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:46:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:46:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:46:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:46:04,539 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:46:04,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:46:04,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:46:04,749 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:46:04,751 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:46:05,571 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:46:06,134 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:46:06,134 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:46:06,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:46:06 BoogieIcfgContainer [2023-04-03 00:46:06,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:46:06,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:46:06,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:46:06,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:46:06,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:46:03" (1/3) ... [2023-04-03 00:46:06,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:46:06, skipping insertion in model container [2023-04-03 00:46:06,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:46:04" (2/3) ... [2023-04-03 00:46:06,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153bd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:46:06, skipping insertion in model container [2023-04-03 00:46:06,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:46:06" (3/3) ... [2023-04-03 00:46:06,147 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2023-04-03 00:46:06,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:46:06,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:46:06,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:46:06,217 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;@67968473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:46:06,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:46:06,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 359 states, 180 states have (on average 1.2055555555555555) internal successors, (217), 187 states have internal predecessors, (217), 105 states have call successors, (105), 66 states have call predecessors, (105), 66 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) [2023-04-03 00:46:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:46:06,243 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:06,244 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] [2023-04-03 00:46:06,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:06,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:06,250 INFO L85 PathProgramCache]: Analyzing trace with hash -243906401, now seen corresponding path program 1 times [2023-04-03 00:46:06,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:06,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399769572] [2023-04-03 00:46:06,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:06,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:06,588 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 00:46:06,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:06,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399769572] [2023-04-03 00:46:06,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399769572] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:46:06,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:46:06,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:46:06,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317839107] [2023-04-03 00:46:06,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:46:06,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:46:06,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:46:06,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:46:06,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:46:06,700 INFO L87 Difference]: Start difference. First operand has 359 states, 180 states have (on average 1.2055555555555555) internal successors, (217), 187 states have internal predecessors, (217), 105 states have call successors, (105), 66 states have call predecessors, (105), 66 states have return successors, (105), 104 states have call predecessors, (105), 105 states have call successors, (105) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:46:06,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:46:06,775 INFO L93 Difference]: Finished difference Result 469 states and 564 transitions. [2023-04-03 00:46:06,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:46:06,777 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-04-03 00:46:06,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:46:06,785 INFO L225 Difference]: With dead ends: 469 [2023-04-03 00:46:06,785 INFO L226 Difference]: Without dead ends: 313 [2023-04-03 00:46:06,788 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 00:46:06,790 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:46:06,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:46:06,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-04-03 00:46:06,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2023-04-03 00:46:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 157 states have (on average 1.197452229299363) internal successors, (188), 161 states have internal predecessors, (188), 95 states have call successors, (95), 64 states have call predecessors, (95), 60 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:46:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 373 transitions. [2023-04-03 00:46:06,836 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 373 transitions. Word has length 121 [2023-04-03 00:46:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:46:06,837 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 373 transitions. [2023-04-03 00:46:06,837 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:46:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 373 transitions. [2023-04-03 00:46:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 00:46:06,839 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:06,840 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] [2023-04-03 00:46:06,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:46:06,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:06,840 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:06,840 INFO L85 PathProgramCache]: Analyzing trace with hash -659273794, now seen corresponding path program 1 times [2023-04-03 00:46:06,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:06,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546012112] [2023-04-03 00:46:06,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:06,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:07,093 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 00:46:07,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:07,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546012112] [2023-04-03 00:46:07,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546012112] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:46:07,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:46:07,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:46:07,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457165044] [2023-04-03 00:46:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:46:07,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:46:07,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:46:07,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:46:07,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:46:07,100 INFO L87 Difference]: Start difference. First operand 313 states and 373 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:46:07,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:46:07,199 INFO L93 Difference]: Finished difference Result 454 states and 533 transitions. [2023-04-03 00:46:07,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:46:07,200 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-04-03 00:46:07,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:46:07,207 INFO L225 Difference]: With dead ends: 454 [2023-04-03 00:46:07,207 INFO L226 Difference]: Without dead ends: 315 [2023-04-03 00:46:07,212 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 00:46:07,213 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:46:07,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 672 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:46:07,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-04-03 00:46:07,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2023-04-03 00:46:07,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 159 states have (on average 1.1949685534591195) internal successors, (190), 163 states have internal predecessors, (190), 95 states have call successors, (95), 64 states have call predecessors, (95), 60 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-04-03 00:46:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 375 transitions. [2023-04-03 00:46:07,236 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 375 transitions. Word has length 122 [2023-04-03 00:46:07,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:46:07,237 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 375 transitions. [2023-04-03 00:46:07,237 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, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:46:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 375 transitions. [2023-04-03 00:46:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 00:46:07,241 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:07,241 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] [2023-04-03 00:46:07,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:46:07,242 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:07,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:07,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1433563597, now seen corresponding path program 1 times [2023-04-03 00:46:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:07,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975177724] [2023-04-03 00:46:07,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:07,380 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 00:46:07,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:07,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975177724] [2023-04-03 00:46:07,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975177724] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:46:07,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:46:07,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:46:07,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758782123] [2023-04-03 00:46:07,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:46:07,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:46:07,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:46:07,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:46:07,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:46:07,383 INFO L87 Difference]: Start difference. First operand 315 states and 375 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:46:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:46:07,449 INFO L93 Difference]: Finished difference Result 612 states and 757 transitions. [2023-04-03 00:46:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:46:07,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-04-03 00:46:07,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:46:07,452 INFO L225 Difference]: With dead ends: 612 [2023-04-03 00:46:07,452 INFO L226 Difference]: Without dead ends: 355 [2023-04-03 00:46:07,455 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 00:46:07,458 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 52 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:46:07,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 674 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:46:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-04-03 00:46:07,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2023-04-03 00:46:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 190 states have (on average 1.2736842105263158) internal successors, (242), 194 states have internal predecessors, (242), 103 states have call successors, (103), 64 states have call predecessors, (103), 60 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-03 00:46:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 443 transitions. [2023-04-03 00:46:07,478 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 443 transitions. Word has length 127 [2023-04-03 00:46:07,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:46:07,478 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 443 transitions. [2023-04-03 00:46:07,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:46:07,478 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 443 transitions. [2023-04-03 00:46:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:46:07,480 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:46:07,480 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] [2023-04-03 00:46:07,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:46:07,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:46:07,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:46:07,484 INFO L85 PathProgramCache]: Analyzing trace with hash -404428821, now seen corresponding path program 1 times [2023-04-03 00:46:07,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:46:07,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583879032] [2023-04-03 00:46:07,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:07,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:46:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:07,712 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 00:46:07,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:46:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583879032] [2023-04-03 00:46:07,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583879032] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:46:07,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758762108] [2023-04-03 00:46:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:46:07,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:46:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:46:07,716 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 00:46:07,717 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 00:46:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:46:08,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 2101 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:46:08,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:46:08,175 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 00:46:08,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:46:08,293 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 00:46:08,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758762108] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:46:08,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2109625077] [2023-04-03 00:46:08,313 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-03 00:46:08,313 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:46:08,316 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:46:08,319 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:46:08,319 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:46:11,831 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:46:12,393 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 339 for LOIs [2023-04-03 00:46:17,910 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:46:20,235 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:46:21,592 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:46:22,300 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:46:23,637 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:46:24,437 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:50:00,912 WARN L223 SmtUtils]: Spent 3.58m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:50:01,061 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs