/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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:57:45,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:57:45,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:57:45,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:57:45,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:57:45,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:57:45,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:57:45,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:57:45,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:57:45,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:57:45,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:57:45,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:57:45,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:57:45,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:57:45,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:57:45,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:57:45,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:57:45,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:57:45,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:57:45,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:57:45,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:57:45,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:57:45,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:57:45,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:57:45,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:57:45,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:57:45,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:57:45,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:57:45,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:57:45,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:57:45,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:57:45,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:57:45,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:57:45,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:57:45,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:57:45,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:57:45,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:57:45,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:57:45,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:57:45,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:57:45,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:57:45,577 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 11:57:45,606 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:57:45,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:57:45,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:57:45,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:57:45,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:57:45,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:57:45,608 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:57:45,608 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:57:45,608 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:57:45,608 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:57:45,609 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:57:45,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:57:45,609 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:57:45,610 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:57:45,610 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:57:45,610 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:57:45,610 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:57:45,610 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:57:45,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:57:45,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:57:45,612 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:57:45,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:57:45,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:57:45,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:57:45,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:57:45,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:57:45,612 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:57:45,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:57:45,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:57:45,613 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:57:45,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:57:45,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:57:45,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:57:45,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:57:45,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:57:45,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:57:45,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:57:45,878 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:57:45,878 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:57:45,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2023-04-01 11:57:47,065 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:57:47,325 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:57:47,326 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2023-04-01 11:57:47,343 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26249635c/7bbeaae2c0b44a48b427fa5197f8cc96/FLAG0f7d7402a [2023-04-01 11:57:47,355 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26249635c/7bbeaae2c0b44a48b427fa5197f8cc96 [2023-04-01 11:57:47,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:57:47,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:57:47,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:57:47,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:57:47,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:57:47,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:57:47" (1/1) ... [2023-04-01 11:57:47,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282254b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:47, skipping insertion in model container [2023-04-01 11:57:47,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:57:47" (1/1) ... [2023-04-01 11:57:47,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:57:47,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:57:47,807 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_product32.cil.c[37064,37077] [2023-04-01 11:57:47,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:57:47,963 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:57:48,019 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_product32.cil.c[37064,37077] [2023-04-01 11:57:48,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:57:48,139 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:57:48,147 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:57:48,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48 WrapperNode [2023-04-01 11:57:48,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:57:48,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:57:48,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:57:48,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:57:48,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:57:48,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:57:48,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:57:48,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:57:48,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (1/1) ... [2023-04-01 11:57:48,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:57:48,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:57:48,353 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 11:57:48,372 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 11:57:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:57:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:57:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:57:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:57:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:57:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:57:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:57:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:57:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:57:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:57:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:57:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:57:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:57:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:57:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:57:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:57:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:57:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:57:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:57:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:57:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:57:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:57:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:57:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:57:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:57:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-01 11:57:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-01 11:57:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:57:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:57:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:57:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:57:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:57:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:57:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:57:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:57:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:57:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:57:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:57:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:57:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:57:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:57:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:57:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:57:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:57:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 11:57:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:57:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:57:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:57:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:57:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:57:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:57:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:57:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:57:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:57:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:57:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 11:57:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:57:48,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:57:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:57:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 11:57:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 11:57:48,410 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:57:48,411 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:57:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:57:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:57:48,414 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:57:48,419 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:57:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:57:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:57:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:57:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:57:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:57:48,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:57:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:57:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:57:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:57:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:57:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:57:48,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:57:48,422 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:57:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:57:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:57:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:57:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:57:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:57:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:57:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-01 11:57:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:57:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:57:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2023-04-01 11:57:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:57:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:57:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:57:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 11:57:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-01 11:57:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 11:57:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:57:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 11:57:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:57:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:57:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:57:48,780 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:57:48,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:57:49,962 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:57:50,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:57:50,810 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:57:50,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:57:50 BoogieIcfgContainer [2023-04-01 11:57:50,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:57:50,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:57:50,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:57:50,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:57:50,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:57:47" (1/3) ... [2023-04-01 11:57:50,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162e7cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:57:50, skipping insertion in model container [2023-04-01 11:57:50,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:57:48" (2/3) ... [2023-04-01 11:57:50,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162e7cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:57:50, skipping insertion in model container [2023-04-01 11:57:50,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:57:50" (3/3) ... [2023-04-01 11:57:50,823 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec8_product32.cil.c [2023-04-01 11:57:50,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:57:50,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:57:50,913 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:57:50,919 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;@1fa5d926, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:57:50,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:57:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 223 states have (on average 1.1928251121076232) internal successors, (266), 233 states have internal predecessors, (266), 131 states have call successors, (131), 83 states have call predecessors, (131), 83 states have return successors, (131), 130 states have call predecessors, (131), 131 states have call successors, (131) [2023-04-01 11:57:50,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-01 11:57:50,943 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:50,945 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, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:50,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:50,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1716277372, now seen corresponding path program 1 times [2023-04-01 11:57:50,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:50,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416565647] [2023-04-01 11:57:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:51,504 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 11:57:51,505 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:51,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416565647] [2023-04-01 11:57:51,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416565647] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:51,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:51,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:57:51,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940140916] [2023-04-01 11:57:51,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:51,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:57:51,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:51,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:57:51,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:57:51,566 INFO L87 Difference]: Start difference. First operand has 447 states, 223 states have (on average 1.1928251121076232) internal successors, (266), 233 states have internal predecessors, (266), 131 states have call successors, (131), 83 states have call predecessors, (131), 83 states have return successors, (131), 130 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:51,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:51,786 INFO L93 Difference]: Finished difference Result 634 states and 756 transitions. [2023-04-01 11:57:51,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:57:51,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 132 [2023-04-01 11:57:51,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:51,811 INFO L225 Difference]: With dead ends: 634 [2023-04-01 11:57:51,811 INFO L226 Difference]: Without dead ends: 399 [2023-04-01 11:57:51,818 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 11:57:51,823 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:51,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 435 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:51,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-04-01 11:57:51,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2023-04-01 11:57:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 201 states have (on average 1.1890547263681592) internal successors, (239), 208 states have internal predecessors, (239), 119 states have call successors, (119), 82 states have call predecessors, (119), 78 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-04-01 11:57:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 472 transitions. [2023-04-01 11:57:51,924 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 472 transitions. Word has length 132 [2023-04-01 11:57:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:51,927 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 472 transitions. [2023-04-01 11:57:51,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 472 transitions. [2023-04-01 11:57:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-01 11:57:51,936 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:51,936 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:51,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:57:51,937 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:51,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:51,937 INFO L85 PathProgramCache]: Analyzing trace with hash -240105146, now seen corresponding path program 1 times [2023-04-01 11:57:51,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:51,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057789640] [2023-04-01 11:57:51,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:51,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:52,373 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 11:57:52,374 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:52,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057789640] [2023-04-01 11:57:52,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057789640] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:52,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:52,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:52,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917282926] [2023-04-01 11:57:52,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:52,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:52,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:52,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:52,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:52,378 INFO L87 Difference]: Start difference. First operand 399 states and 472 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:52,508 INFO L93 Difference]: Finished difference Result 619 states and 724 transitions. [2023-04-01 11:57:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:52,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 133 [2023-04-01 11:57:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:52,514 INFO L225 Difference]: With dead ends: 619 [2023-04-01 11:57:52,514 INFO L226 Difference]: Without dead ends: 401 [2023-04-01 11:57:52,520 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 11:57:52,522 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:52,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 850 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2023-04-01 11:57:52,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2023-04-01 11:57:52,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 203 states have (on average 1.187192118226601) internal successors, (241), 210 states have internal predecessors, (241), 119 states have call successors, (119), 82 states have call predecessors, (119), 78 states have return successors, (114), 113 states have call predecessors, (114), 114 states have call successors, (114) [2023-04-01 11:57:52,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 474 transitions. [2023-04-01 11:57:52,551 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 474 transitions. Word has length 133 [2023-04-01 11:57:52,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:52,551 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 474 transitions. [2023-04-01 11:57:52,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 474 transitions. [2023-04-01 11:57:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-01 11:57:52,561 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:52,561 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:52,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:57:52,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:52,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:52,562 INFO L85 PathProgramCache]: Analyzing trace with hash -624294853, now seen corresponding path program 1 times [2023-04-01 11:57:52,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:52,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694899632] [2023-04-01 11:57:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:52,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:52,743 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 11:57:52,744 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:52,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694899632] [2023-04-01 11:57:52,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694899632] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:52,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:52,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197821014] [2023-04-01 11:57:52,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:52,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:52,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:52,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:52,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:52,746 INFO L87 Difference]: Start difference. First operand 401 states and 474 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:52,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:52,873 INFO L93 Difference]: Finished difference Result 786 states and 958 transitions. [2023-04-01 11:57:52,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:52,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 142 [2023-04-01 11:57:52,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:52,877 INFO L225 Difference]: With dead ends: 786 [2023-04-01 11:57:52,877 INFO L226 Difference]: Without dead ends: 443 [2023-04-01 11:57:52,878 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 11:57:52,879 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 53 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:52,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 848 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:52,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-04-01 11:57:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2023-04-01 11:57:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 235 states have (on average 1.251063829787234) internal successors, (294), 242 states have internal predecessors, (294), 128 states have call successors, (128), 82 states have call predecessors, (128), 78 states have return successors, (123), 122 states have call predecessors, (123), 123 states have call successors, (123) [2023-04-01 11:57:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 545 transitions. [2023-04-01 11:57:52,898 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 545 transitions. Word has length 142 [2023-04-01 11:57:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:52,898 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 545 transitions. [2023-04-01 11:57:52,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 545 transitions. [2023-04-01 11:57:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 11:57:52,949 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:52,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:52,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:57:52,950 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:52,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:52,950 INFO L85 PathProgramCache]: Analyzing trace with hash 788648287, now seen corresponding path program 1 times [2023-04-01 11:57:52,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037755763] [2023-04-01 11:57:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:52,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:53,212 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 11:57:53,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:53,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037755763] [2023-04-01 11:57:53,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037755763] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:53,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:53,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:53,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073794522] [2023-04-01 11:57:53,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:53,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:53,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:53,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:53,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:53,216 INFO L87 Difference]: Start difference. First operand 442 states and 545 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:53,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:53,352 INFO L93 Difference]: Finished difference Result 906 states and 1166 transitions. [2023-04-01 11:57:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:53,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 143 [2023-04-01 11:57:53,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:53,359 INFO L225 Difference]: With dead ends: 906 [2023-04-01 11:57:53,359 INFO L226 Difference]: Without dead ends: 522 [2023-04-01 11:57:53,361 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 11:57:53,367 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 51 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:53,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 850 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:53,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2023-04-01 11:57:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 521. [2023-04-01 11:57:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 297 states have (on average 1.3333333333333333) internal successors, (396), 304 states have internal predecessors, (396), 145 states have call successors, (145), 82 states have call predecessors, (145), 78 states have return successors, (140), 139 states have call predecessors, (140), 140 states have call successors, (140) [2023-04-01 11:57:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 681 transitions. [2023-04-01 11:57:53,400 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 681 transitions. Word has length 143 [2023-04-01 11:57:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:53,401 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 681 transitions. [2023-04-01 11:57:53,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 681 transitions. [2023-04-01 11:57:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 11:57:53,404 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:53,404 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:53,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 11:57:53,404 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:53,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:53,405 INFO L85 PathProgramCache]: Analyzing trace with hash -897290469, now seen corresponding path program 1 times [2023-04-01 11:57:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:53,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629339855] [2023-04-01 11:57:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:53,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:53,588 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 11:57:53,589 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:53,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629339855] [2023-04-01 11:57:53,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629339855] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:57:53,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:57:53,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:57:53,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182312431] [2023-04-01 11:57:53,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:57:53,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:57:53,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:57:53,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:57:53,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:57:53,591 INFO L87 Difference]: Start difference. First operand 521 states and 681 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:53,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:57:53,707 INFO L93 Difference]: Finished difference Result 1137 states and 1564 transitions. [2023-04-01 11:57:53,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:57:53,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2023-04-01 11:57:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:57:53,715 INFO L225 Difference]: With dead ends: 1137 [2023-04-01 11:57:53,715 INFO L226 Difference]: Without dead ends: 674 [2023-04-01 11:57:53,717 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 11:57:53,719 INFO L413 NwaCegarLoop]: 431 mSDtfsCounter, 49 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:57:53,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 850 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:57:53,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-04-01 11:57:53,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 673. [2023-04-01 11:57:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 417 states have (on average 1.419664268585132) internal successors, (592), 424 states have internal predecessors, (592), 177 states have call successors, (177), 82 states have call predecessors, (177), 78 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) [2023-04-01 11:57:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 941 transitions. [2023-04-01 11:57:53,758 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 941 transitions. Word has length 144 [2023-04-01 11:57:53,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:57:53,758 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 941 transitions. [2023-04-01 11:57:53,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-01 11:57:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 941 transitions. [2023-04-01 11:57:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 11:57:53,762 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:57:53,762 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:57:53,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 11:57:53,763 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:57:53,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:57:53,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1135883109, now seen corresponding path program 1 times [2023-04-01 11:57:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:57:53,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302167909] [2023-04-01 11:57:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:57:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:54,005 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 11:57:54,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:57:54,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302167909] [2023-04-01 11:57:54,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302167909] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:57:54,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337844044] [2023-04-01 11:57:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:57:54,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:57:54,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:57:54,009 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 11:57:54,037 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 11:57:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:57:54,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:57:54,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:57:54,759 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 11:57:54,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:57:54,933 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 11:57:54,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337844044] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:57:54,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1652385266] [2023-04-01 11:57:54,984 INFO L159 IcfgInterpreter]: Started Sifa with 135 locations of interest [2023-04-01 11:57:54,984 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:57:54,988 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:57:54,993 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:57:54,993 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:58:04,709 WARN L223 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 515 DAG size of output: 515 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:10,858 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:58:11,387 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 647 for LOIs [2023-04-01 11:58:28,311 WARN L223 SmtUtils]: Spent 14.24s on a formula simplification. DAG size of input: 647 DAG size of output: 647 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:58:42,980 WARN L223 SmtUtils]: Spent 14.66s on a formula simplification. DAG size of input: 647 DAG size of output: 647 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)