/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/product-lines/email_spec8_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:57:29,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:57:29,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:57:29,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:57:29,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:57:29,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:57:29,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:57:29,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:57:29,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:57:29,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:57:29,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:57:29,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:57:29,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:57:29,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:57:29,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:57:29,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:57:29,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:57:29,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:57:29,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:57:29,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:57:29,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:57:29,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:57:29,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:57:29,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:57:29,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:57:29,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:57:29,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:57:29,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:57:29,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:57:29,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:57:29,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:57:29,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:57:29,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:57:29,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:57:29,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:57:29,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:57:29,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:57:29,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:57:29,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:57:29,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:57:29,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:57:29,557 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 11:57:29,592 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:57:29,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:57:29,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:57:29,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:57:29,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:57:29,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:57:29,595 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:57:29,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:57:29,595 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:57:29,595 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:57:29,596 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:57:29,596 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:57:29,596 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:57:29,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:57:29,597 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:57:29,597 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:57:29,597 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:57:29,597 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:57:29,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:57:29,598 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:57:29,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:57:29,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:57:29,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:57:29,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:57:29,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:57:29,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:57:29,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:57:29,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:57:29,600 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:57:29,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:57:29,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:57:29,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:57:29,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:57:29,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:57:29,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:57:29,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:57:29,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:57:29,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:57:29,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:57:29,899 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:57:29,900 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:57:29,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product30.cil.c [2023-04-01 11:57:31,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:57:31,492 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:57:31,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product30.cil.c [2023-04-01 11:57:31,517 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759f61552/1264bbb2c3a543a38bbac179faf202cf/FLAGbea5dd779 [2023-04-01 11:57:31,534 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759f61552/1264bbb2c3a543a38bbac179faf202cf [2023-04-01 11:57:31,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:57:31,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:57:31,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:57:31,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:57:31,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:57:31,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:57:31" (1/1) ... [2023-04-01 11:57:31,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a117f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:31, skipping insertion in model container [2023-04-01 11:57:31,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:57:31" (1/1) ... [2023-04-01 11:57:31,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:57:31,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:57:31,884 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_product30.cil.c[7858,7871] [2023-04-01 11:57:32,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:57:32,150 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:57:32,176 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_product30.cil.c[7858,7871] [2023-04-01 11:57:32,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:57:32,325 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:57:32,331 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:57:32,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32 WrapperNode [2023-04-01 11:57:32,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:57:32,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:57:32,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:57:32,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:57:32,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:57:32,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:57:32,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:57:32,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:57:32,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (1/1) ... [2023-04-01 11:57:32,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:57:32,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:57:32,521 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 11:57:32,554 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 11:57:32,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:57:32,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:57:32,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:57:32,576 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:57:32,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:57:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:57:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:57:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:57:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:57:32,578 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-01 11:57:32,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:57:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:57:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:57:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:57:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:57:32,580 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:57:32,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:57:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:57:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:57:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:57:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:57:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 11:57:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:57:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:57:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:57:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:57:32,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:57:32,586 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:57:32,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:57:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:57:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:57:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:57:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:57:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:57:32,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:57:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:57:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:57:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:57:32,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:57:32,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:57:32,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:57:32,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:57:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:57:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:57:32,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:57:32,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:57:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:57:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:57:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:57:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:57:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:57:32,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:57:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:57:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:57:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:57:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:57:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:57:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:57:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:57:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:57:32,604 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:57:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:57:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:57:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:57:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:57:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:57:32,605 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:57:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:57:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:57:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:57:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:57:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:57:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:57:32,609 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:57:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:57:32,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:57:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:57:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:57:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:57:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:57:32,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:57:32,612 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:57:32,613 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:57:32,614 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:57:32,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:57:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:57:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:57:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:57:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:57:32,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:57:32,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:57:32,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:57:33,029 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:57:33,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:57:34,308 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:57:35,136 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:57:35,136 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:57:35,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:57:35 BoogieIcfgContainer [2023-04-01 11:57:35,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:57:35,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:57:35,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:57:35,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:57:35,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:57:31" (1/3) ... [2023-04-01 11:57:35,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560592d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:57:35, skipping insertion in model container [2023-04-01 11:57:35,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:32" (2/3) ... [2023-04-01 11:57:35,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560592d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:57:35, skipping insertion in model container [2023-04-01 11:57:35,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:57:35" (3/3) ... [2023-04-01 11:57:35,150 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product30.cil.c [2023-04-01 11:57:35,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:57:35,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:57:35,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:57:35,245 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;@38a9a574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:57:35,245 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:57:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 402 states, 203 states have (on average 1.2019704433497538) internal successors, (244), 212 states have internal predecessors, (244), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-04-01 11:57:35,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-04-01 11:57:35,279 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:35,280 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:35,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:35,287 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1978646632, now seen corresponding path program 1 times [2023-04-01 11:57:35,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:35,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918034880] [2023-04-01 11:57:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:35,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:35,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:35,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918034880] [2023-04-01 11:57:35,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918034880] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:35,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:35,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:57:35,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748760518] [2023-04-01 11:57:35,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:35,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:57:35,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:35,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:57:35,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:57:35,846 INFO L87 Difference]: Start difference. First operand has 402 states, 203 states have (on average 1.2019704433497538) internal successors, (244), 212 states have internal predecessors, (244), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:36,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:36,005 INFO L93 Difference]: Finished difference Result 570 states and 674 transitions. [2023-04-01 11:57:36,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:57:36,008 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 125 [2023-04-01 11:57:36,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:36,029 INFO L225 Difference]: With dead ends: 570 [2023-04-01 11:57:36,030 INFO L226 Difference]: Without dead ends: 360 [2023-04-01 11:57:36,036 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 11:57:36,043 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:36,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 394 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:36,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-04-01 11:57:36,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-04-01 11:57:36,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 185 states have (on average 1.2) internal successors, (222), 191 states have internal predecessors, (222), 104 states have call successors, (104), 74 states have call predecessors, (104), 70 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-01 11:57:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2023-04-01 11:57:36,127 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 125 [2023-04-01 11:57:36,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:36,128 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2023-04-01 11:57:36,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2023-04-01 11:57:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-01 11:57:36,131 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:36,132 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:36,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:57:36,132 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:36,132 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:36,133 INFO L85 PathProgramCache]: Analyzing trace with hash -121902067, now seen corresponding path program 1 times [2023-04-01 11:57:36,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:36,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139442097] [2023-04-01 11:57:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:36,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:36,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139442097] [2023-04-01 11:57:36,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139442097] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:36,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:36,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:36,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512738382] [2023-04-01 11:57:36,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:36,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:36,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:36,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:36,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:36,592 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:36,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:36,706 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2023-04-01 11:57:36,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:36,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 126 [2023-04-01 11:57:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:36,710 INFO L225 Difference]: With dead ends: 555 [2023-04-01 11:57:36,711 INFO L226 Difference]: Without dead ends: 362 [2023-04-01 11:57:36,716 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 11:57:36,718 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:36,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 768 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:36,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-04-01 11:57:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-04-01 11:57:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 193 states have internal predecessors, (224), 104 states have call successors, (104), 74 states have call predecessors, (104), 70 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-01 11:57:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2023-04-01 11:57:36,751 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 126 [2023-04-01 11:57:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:36,752 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2023-04-01 11:57:36,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2023-04-01 11:57:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-01 11:57:36,761 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:36,761 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:36,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:57:36,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:36,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:36,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1140142226, now seen corresponding path program 1 times [2023-04-01 11:57:36,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:36,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729315571] [2023-04-01 11:57:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:36,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:37,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:37,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729315571] [2023-04-01 11:57:37,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729315571] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:37,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:37,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:37,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044182798] [2023-04-01 11:57:37,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:37,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:37,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:37,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:37,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:37,009 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:37,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:37,105 INFO L93 Difference]: Finished difference Result 706 states and 861 transitions. [2023-04-01 11:57:37,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:37,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 135 [2023-04-01 11:57:37,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:37,108 INFO L225 Difference]: With dead ends: 706 [2023-04-01 11:57:37,108 INFO L226 Difference]: Without dead ends: 402 [2023-04-01 11:57:37,109 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 11:57:37,110 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 52 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:37,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 766 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:37,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-04-01 11:57:37,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2023-04-01 11:57:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 218 states have (on average 1.2660550458715596) internal successors, (276), 224 states have internal predecessors, (276), 112 states have call successors, (112), 74 states have call predecessors, (112), 70 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-01 11:57:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2023-04-01 11:57:37,127 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 135 [2023-04-01 11:57:37,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:37,127 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2023-04-01 11:57:37,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2023-04-01 11:57:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-01 11:57:37,130 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:37,130 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] [2023-04-01 11:57:37,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:57:37,130 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:37,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:37,131 INFO L85 PathProgramCache]: Analyzing trace with hash 903589264, now seen corresponding path program 1 times [2023-04-01 11:57:37,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:37,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599004649] [2023-04-01 11:57:37,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:37,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:37,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:37,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:37,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599004649] [2023-04-01 11:57:37,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599004649] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:37,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:37,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:37,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266414305] [2023-04-01 11:57:37,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:37,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:37,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:37,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:37,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:37,329 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:37,424 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2023-04-01 11:57:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:37,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 136 [2023-04-01 11:57:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:37,432 INFO L225 Difference]: With dead ends: 820 [2023-04-01 11:57:37,432 INFO L226 Difference]: Without dead ends: 477 [2023-04-01 11:57:37,433 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 11:57:37,441 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 50 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:37,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 766 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:37,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-04-01 11:57:37,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2023-04-01 11:57:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 278 states have (on average 1.3525179856115108) internal successors, (376), 284 states have internal predecessors, (376), 127 states have call successors, (127), 74 states have call predecessors, (127), 70 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-04-01 11:57:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2023-04-01 11:57:37,471 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 136 [2023-04-01 11:57:37,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:37,472 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2023-04-01 11:57:37,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2023-04-01 11:57:37,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-01 11:57:37,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:37,476 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:37,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 11:57:37,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:37,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1624012274, now seen corresponding path program 1 times [2023-04-01 11:57:37,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:37,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622847273] [2023-04-01 11:57:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:37,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:37,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622847273] [2023-04-01 11:57:37,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622847273] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:37,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:37,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:37,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823939796] [2023-04-01 11:57:37,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:37,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:37,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:37,661 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:37,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:37,758 INFO L93 Difference]: Finished difference Result 1039 states and 1440 transitions. [2023-04-01 11:57:37,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:37,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 137 [2023-04-01 11:57:37,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:37,763 INFO L225 Difference]: With dead ends: 1039 [2023-04-01 11:57:37,763 INFO L226 Difference]: Without dead ends: 621 [2023-04-01 11:57:37,765 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 11:57:37,767 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 48 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:37,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 764 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:37,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2023-04-01 11:57:37,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 620. [2023-04-01 11:57:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 394 states have (on average 1.4416243654822336) internal successors, (568), 400 states have internal predecessors, (568), 155 states have call successors, (155), 74 states have call predecessors, (155), 70 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2023-04-01 11:57:37,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 873 transitions. [2023-04-01 11:57:37,849 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 873 transitions. Word has length 137 [2023-04-01 11:57:37,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:37,849 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 873 transitions. [2023-04-01 11:57:37,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-01 11:57:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 873 transitions. [2023-04-01 11:57:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-01 11:57:37,853 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:37,853 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] [2023-04-01 11:57:37,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 11:57:37,853 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:37,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:37,854 INFO L85 PathProgramCache]: Analyzing trace with hash -848764730, now seen corresponding path program 1 times [2023-04-01 11:57:37,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:37,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885607625] [2023-04-01 11:57:37,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:37,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:38,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:38,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885607625] [2023-04-01 11:57:38,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885607625] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:57:38,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476017437] [2023-04-01 11:57:38,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:38,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:57:38,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:57:38,109 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 11:57:38,117 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 11:57:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:38,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:57:38,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:57:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:38,743 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:57:38,935 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 11:57:38,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476017437] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:57:38,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [531410311] [2023-04-01 11:57:38,987 INFO L159 IcfgInterpreter]: Started Sifa with 128 locations of interest [2023-04-01 11:57:38,987 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:57:38,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:57:38,995 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:57:38,996 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:57:48,491 WARN L223 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 505 DAG size of output: 505 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:54,297 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:57:54,819 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 595 for LOIs [2023-04-01 11:58:06,710 WARN L223 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 595 DAG size of output: 595 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:16,127 WARN L223 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 595 DAG size of output: 595 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:25,563 WARN L223 SmtUtils]: Spent 9.43s on a formula simplification. DAG size of input: 595 DAG size of output: 595 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:35,044 WARN L223 SmtUtils]: Spent 9.48s on a formula simplification. DAG size of input: 595 DAG size of output: 595 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)