/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_spec6_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:53:44,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:53:44,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:53:44,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:53:44,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:53:44,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:53:44,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:53:44,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:53:44,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:53:44,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:53:44,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:53:44,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:53:44,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:53:44,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:53:44,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:53:44,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:53:44,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:53:44,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:53:44,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:53:44,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:53:44,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:53:44,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:53:44,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:53:44,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:53:44,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:53:44,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:53:44,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:53:44,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:53:44,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:53:44,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:53:44,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:53:44,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:53:44,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:53:44,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:53:44,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:53:44,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:53:44,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:53:44,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:53:44,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:53:44,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:53:44,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:53:44,541 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 11:53:44,572 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:53:44,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:53:44,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:53:44,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:53:44,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:53:44,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:53:44,574 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:53:44,574 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:53:44,574 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:53:44,575 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:53:44,575 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:53:44,576 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:53:44,576 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:53:44,576 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:53:44,576 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:53:44,576 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:53:44,576 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:53:44,577 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:53:44,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:53:44,578 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:53:44,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:53:44,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:53:44,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:53:44,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:53:44,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:53:44,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:53:44,579 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:53:44,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:53:44,579 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:53:44,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:53:44,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:53:44,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:53:44,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:53:44,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:53:44,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:53:44,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:53:44,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:53:44,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:53:44,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:53:44,864 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:53:44,865 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:53:44,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2023-04-01 11:53:46,193 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:53:46,468 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:53:46,469 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product14.cil.c [2023-04-01 11:53:46,488 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8281230/96f00a3a16b2488fbdfcff05852cf5a9/FLAG3606720a7 [2023-04-01 11:53:46,500 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8281230/96f00a3a16b2488fbdfcff05852cf5a9 [2023-04-01 11:53:46,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:53:46,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:53:46,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:53:46,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:53:46,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:53:46,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:53:46" (1/1) ... [2023-04-01 11:53:46,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296a16fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:46, skipping insertion in model container [2023-04-01 11:53:46,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:53:46" (1/1) ... [2023-04-01 11:53:46,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:53:46,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:53:47,084 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_spec6_product14.cil.c[43937,43950] [2023-04-01 11:53:47,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:53:47,158 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:53:47,210 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_spec6_product14.cil.c[43937,43950] [2023-04-01 11:53:47,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:53:47,254 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:53:47,261 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:53:47,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47 WrapperNode [2023-04-01 11:53:47,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:53:47,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:53:47,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:53:47,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:53:47,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:53:47,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:53:47,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:53:47,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:53:47,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (1/1) ... [2023-04-01 11:53:47,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:53:47,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:53:47,505 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 11:53:47,531 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 11:53:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:53:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:53:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:53:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:53:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:53:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:53:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:53:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:53:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:53:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:53:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:53:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:53:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:53:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:53:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:53:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:53:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:53:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:53:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:53:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:53:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:53:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:53:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:53:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:53:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:53:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:53:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-01 11:53:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:53:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:53:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-01 11:53:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 11:53:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:53:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:53:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:53:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:53:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:53:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:53:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:53:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:53:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:53:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:53:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:53:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:53:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:53:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:53:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:53:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:53:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:53:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:53:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:53:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:53:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:53:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:53:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:53:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:53:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:53:47,584 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:53:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:53:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:53:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:53:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:53:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:53:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:53:47,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:53:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:53:47,588 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:53:47,590 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:53:47,591 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:53:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:53:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:53:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:53:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:53:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:53:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:53:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:53:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:53:47,947 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:53:47,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:53:49,148 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:53:49,960 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:53:49,961 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:53:49,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:53:49 BoogieIcfgContainer [2023-04-01 11:53:49,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:53:49,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:53:49,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:53:49,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:53:49,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:53:46" (1/3) ... [2023-04-01 11:53:49,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b00f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:53:49, skipping insertion in model container [2023-04-01 11:53:49,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:53:47" (2/3) ... [2023-04-01 11:53:49,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b00f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:53:49, skipping insertion in model container [2023-04-01 11:53:49,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:53:49" (3/3) ... [2023-04-01 11:53:49,974 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2023-04-01 11:53:49,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:53:49,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:53:50,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:53:50,048 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;@2673dda1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:53:50,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:53:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 363 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 189 states have internal predecessors, (219), 107 states have call successors, (107), 66 states have call predecessors, (107), 66 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-01 11:53:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 11:53:50,086 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:50,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:50,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:50,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash -717069266, now seen corresponding path program 1 times [2023-04-01 11:53:50,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:50,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227421211] [2023-04-01 11:53:50,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:50,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:50,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:50,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227421211] [2023-04-01 11:53:50,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227421211] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:50,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:50,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:53:50,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180168659] [2023-04-01 11:53:50,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:50,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:53:50,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:50,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:53:50,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:53:50,635 INFO L87 Difference]: Start difference. First operand has 363 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 189 states have internal predecessors, (219), 107 states have call successors, (107), 66 states have call predecessors, (107), 66 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:53:50,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:50,801 INFO L93 Difference]: Finished difference Result 477 states and 577 transitions. [2023-04-01 11:53:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:53:50,805 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 143 [2023-04-01 11:53:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:50,826 INFO L225 Difference]: With dead ends: 477 [2023-04-01 11:53:50,826 INFO L226 Difference]: Without dead ends: 317 [2023-04-01 11:53:50,834 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 11:53:50,837 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:50,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:50,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-04-01 11:53:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2023-04-01 11:53:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 159 states have (on average 1.1949685534591195) internal successors, (190), 163 states have internal predecessors, (190), 97 states have call successors, (97), 64 states have call predecessors, (97), 60 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-01 11:53:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 379 transitions. [2023-04-01 11:53:50,937 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 379 transitions. Word has length 143 [2023-04-01 11:53:50,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:50,939 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 379 transitions. [2023-04-01 11:53:50,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:53:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 379 transitions. [2023-04-01 11:53:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 11:53:50,950 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:50,951 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:50,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:53:50,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:50,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1415720836, now seen corresponding path program 1 times [2023-04-01 11:53:50,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:50,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774251172] [2023-04-01 11:53:50,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:50,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:51,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:51,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774251172] [2023-04-01 11:53:51,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774251172] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:51,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:51,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:51,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466472363] [2023-04-01 11:53:51,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:51,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:51,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:51,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:51,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:51,409 INFO L87 Difference]: Start difference. First operand 317 states and 379 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:53:51,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:51,569 INFO L93 Difference]: Finished difference Result 462 states and 545 transitions. [2023-04-01 11:53:51,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:51,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 144 [2023-04-01 11:53:51,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:51,573 INFO L225 Difference]: With dead ends: 462 [2023-04-01 11:53:51,573 INFO L226 Difference]: Without dead ends: 319 [2023-04-01 11:53:51,574 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 11:53:51,575 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 0 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 684 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 [2023-04-01 11:53:51,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 684 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:51,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-04-01 11:53:51,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2023-04-01 11:53:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 161 states have (on average 1.1925465838509317) internal successors, (192), 165 states have internal predecessors, (192), 97 states have call successors, (97), 64 states have call predecessors, (97), 60 states have return successors, (92), 91 states have call predecessors, (92), 92 states have call successors, (92) [2023-04-01 11:53:51,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 381 transitions. [2023-04-01 11:53:51,603 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 381 transitions. Word has length 144 [2023-04-01 11:53:51,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:51,603 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 381 transitions. [2023-04-01 11:53:51,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:53:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 381 transitions. [2023-04-01 11:53:51,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 11:53:51,606 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:51,606 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:51,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:53:51,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:51,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:51,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1098393627, now seen corresponding path program 1 times [2023-04-01 11:53:51,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:51,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96903300] [2023-04-01 11:53:51,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:51,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:51,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:51,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96903300] [2023-04-01 11:53:51,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96903300] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:53:51,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:53:51,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:53:51,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746018300] [2023-04-01 11:53:51,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:53:51,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:53:51,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:53:51,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:53:51,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:53:51,815 INFO L87 Difference]: Start difference. First operand 319 states and 381 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:53:51,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:53:51,915 INFO L93 Difference]: Finished difference Result 620 states and 769 transitions. [2023-04-01 11:53:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:53:51,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 149 [2023-04-01 11:53:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:53:51,919 INFO L225 Difference]: With dead ends: 620 [2023-04-01 11:53:51,919 INFO L226 Difference]: Without dead ends: 359 [2023-04-01 11:53:51,921 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 11:53:51,922 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 52 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:53:51,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 680 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:53:51,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-04-01 11:53:51,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 358. [2023-04-01 11:53:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 192 states have (on average 1.2708333333333333) internal successors, (244), 196 states have internal predecessors, (244), 105 states have call successors, (105), 64 states have call predecessors, (105), 60 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-01 11:53:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 449 transitions. [2023-04-01 11:53:51,954 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 449 transitions. Word has length 149 [2023-04-01 11:53:51,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:53:51,955 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 449 transitions. [2023-04-01 11:53:51,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:53:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2023-04-01 11:53:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-01 11:53:51,958 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:53:51,958 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:53:51,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:53:51,958 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:53:51,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:53:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1282984236, now seen corresponding path program 1 times [2023-04-01 11:53:51,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:53:51,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125472570] [2023-04-01 11:53:51,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:53:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:52,278 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:53:52,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125472570] [2023-04-01 11:53:52,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125472570] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:53:52,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142729537] [2023-04-01 11:53:52,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:53:52,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:53:52,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:53:52,285 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 11:53:52,305 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 11:53:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:53:52,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:53:52,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:53:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:52,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:53:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:53:53,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142729537] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:53:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1463509396] [2023-04-01 11:53:53,240 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-01 11:53:53,240 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:53:53,247 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:53:53,252 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:53:53,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:54:03,248 WARN L223 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 496 DAG size of output: 496 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:09,326 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:54:09,873 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 605 for LOIs [2023-04-01 11:54:23,884 WARN L223 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 605 DAG size of output: 605 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:35,302 WARN L223 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 605 DAG size of output: 605 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:46,818 WARN L223 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 605 DAG size of output: 605 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)