/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/email_spec6_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:36:08,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:36:08,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:36:08,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:36:08,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:36:08,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:36:08,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:36:08,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:36:08,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:36:08,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:36:08,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:36:08,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:36:08,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:36:08,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:36:08,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:36:08,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:36:08,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:36:08,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:36:08,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:36:08,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:36:08,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:36:08,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:36:08,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:36:08,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:36:08,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:36:08,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:36:08,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:36:08,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:36:08,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:36:08,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:36:08,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:36:08,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:36:08,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:36:08,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:36:08,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:36:08,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:36:08,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:36:08,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:36:08,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:36:08,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:36:08,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:36:08,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:36:08,435 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:36:08,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:36:08,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:36:08,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:36:08,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:36:08,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:36:08,437 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:36:08,437 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:36:08,437 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:36:08,437 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:36:08,437 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:36:08,438 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:36:08,438 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:36:08,438 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:36:08,438 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:36:08,438 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:36:08,438 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:36:08,438 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:36:08,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:36:08,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:36:08,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:36:08,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:36:08,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:36:08,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:36:08,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:36:08,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:36:08,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:36:08,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:36:08,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:36:08,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:36:08,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:36:08,671 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:36:08,671 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:36:08,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product16.cil.c [2023-04-03 00:36:09,735 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:36:09,973 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:36:09,973 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c [2023-04-03 00:36:09,997 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4632d6e37/7bc6c15848304b24b75be9d07596e67a/FLAGe06f4341a [2023-04-03 00:36:10,012 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4632d6e37/7bc6c15848304b24b75be9d07596e67a [2023-04-03 00:36:10,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:36:10,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:36:10,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:36:10,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:36:10,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:36:10,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70977e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10, skipping insertion in model container [2023-04-03 00:36:10,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:36:10,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:36:10,378 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c[39829,39842] [2023-04-03 00:36:10,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:36:10,473 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:36:10,526 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c[39829,39842] [2023-04-03 00:36:10,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:36:10,578 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:36:10,583 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:36:10,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10 WrapperNode [2023-04-03 00:36:10,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:36:10,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:36:10,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:36:10,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:36:10,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:36:10,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:36:10,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:36:10,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:36:10,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (1/1) ... [2023-04-03 00:36:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:36:10,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:36:10,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:36:10,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:36:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:36:10,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:36:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:36:10,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:36:10,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:36:10,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:36:10,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:36:10,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:36:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:36:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:36:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:36:10,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:36:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:36:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:36:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:36:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:36:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:36:10,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:36:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:36:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:36:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:36:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:36:10,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:36:10,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:36:10,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:36:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:36:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:36:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:36:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:36:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:36:10,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-03 00:36:10,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:36:10,800 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:36:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:36:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:36:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:36:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:36:10,801 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:36:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:36:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:36:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:36:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:36:10,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:36:10,802 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:36:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:36:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:36:10,803 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:36:10,804 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:36:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:36:10,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:36:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:36:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:36:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:36:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:36:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:36:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:36:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:36:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:36:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:36:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:36:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:36:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:36:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:36:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:36:10,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:36:10,818 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:36:10,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:36:11,078 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:36:11,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:36:11,907 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:36:12,480 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:36:12,481 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:36:12,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:36:12 BoogieIcfgContainer [2023-04-03 00:36:12,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:36:12,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:36:12,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:36:12,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:36:12,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:36:10" (1/3) ... [2023-04-03 00:36:12,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394db556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:36:12, skipping insertion in model container [2023-04-03 00:36:12,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:36:10" (2/3) ... [2023-04-03 00:36:12,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394db556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:36:12, skipping insertion in model container [2023-04-03 00:36:12,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:36:12" (3/3) ... [2023-04-03 00:36:12,494 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product16.cil.c [2023-04-03 00:36:12,507 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:36:12,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:36:12,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:36:12,558 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;@5779aafb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:36:12,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:36:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 355 states, 179 states have (on average 1.2011173184357542) internal successors, (215), 186 states have internal predecessors, (215), 103 states have call successors, (103), 68 states have call predecessors, (103), 68 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2023-04-03 00:36:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-04-03 00:36:12,584 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:12,584 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:36:12,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:12,589 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1367783682, now seen corresponding path program 1 times [2023-04-03 00:36:12,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:12,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510205509] [2023-04-03 00:36:12,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:12,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:13,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:13,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510205509] [2023-04-03 00:36:13,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510205509] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:36:13,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:36:13,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:36:13,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884969696] [2023-04-03 00:36:13,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:36:13,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:36:13,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:36:13,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:36:13,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:36:13,062 INFO L87 Difference]: Start difference. First operand has 355 states, 179 states have (on average 1.2011173184357542) internal successors, (215), 186 states have internal predecessors, (215), 103 states have call successors, (103), 68 states have call predecessors, (103), 68 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:36:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:36:13,189 INFO L93 Difference]: Finished difference Result 518 states and 614 transitions. [2023-04-03 00:36:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:36:13,191 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 136 [2023-04-03 00:36:13,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:36:13,200 INFO L225 Difference]: With dead ends: 518 [2023-04-03 00:36:13,200 INFO L226 Difference]: Without dead ends: 334 [2023-04-03 00:36:13,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:36:13,207 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:36:13,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 366 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:36:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-04-03 00:36:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2023-04-03 00:36:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 170 states have (on average 1.188235294117647) internal successors, (202), 174 states have internal predecessors, (202), 99 states have call successors, (99), 68 states have call predecessors, (99), 64 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-04-03 00:36:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 395 transitions. [2023-04-03 00:36:13,274 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 395 transitions. Word has length 136 [2023-04-03 00:36:13,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:36:13,275 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 395 transitions. [2023-04-03 00:36:13,275 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:36:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 395 transitions. [2023-04-03 00:36:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-04-03 00:36:13,282 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:13,282 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:36:13,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:36:13,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:13,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash 145445057, now seen corresponding path program 1 times [2023-04-03 00:36:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:13,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811168221] [2023-04-03 00:36:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:13,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:13,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811168221] [2023-04-03 00:36:13,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811168221] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:36:13,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:36:13,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:36:13,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519067380] [2023-04-03 00:36:13,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:36:13,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:36:13,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:36:13,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:36:13,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:36:13,496 INFO L87 Difference]: Start difference. First operand 334 states and 395 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:36:13,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:36:13,584 INFO L93 Difference]: Finished difference Result 503 states and 585 transitions. [2023-04-03 00:36:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:36:13,585 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 137 [2023-04-03 00:36:13,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:36:13,587 INFO L225 Difference]: With dead ends: 503 [2023-04-03 00:36:13,588 INFO L226 Difference]: Without dead ends: 336 [2023-04-03 00:36:13,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:36:13,589 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 0 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:36:13,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 712 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:36:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2023-04-03 00:36:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2023-04-03 00:36:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 172 states have (on average 1.186046511627907) internal successors, (204), 176 states have internal predecessors, (204), 99 states have call successors, (99), 68 states have call predecessors, (99), 64 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2023-04-03 00:36:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 397 transitions. [2023-04-03 00:36:13,601 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 397 transitions. Word has length 137 [2023-04-03 00:36:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:36:13,601 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 397 transitions. [2023-04-03 00:36:13,602 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:36:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 397 transitions. [2023-04-03 00:36:13,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-03 00:36:13,603 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:13,603 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:36:13,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:36:13,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:13,603 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash 179909693, now seen corresponding path program 1 times [2023-04-03 00:36:13,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:13,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122863335] [2023-04-03 00:36:13,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:13,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:13,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:13,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122863335] [2023-04-03 00:36:13,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122863335] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:36:13,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:36:13,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:36:13,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392262546] [2023-04-03 00:36:13,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:36:13,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:36:13,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:36:13,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:36:13,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:36:13,780 INFO L87 Difference]: Start difference. First operand 336 states and 397 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:36:13,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:36:13,873 INFO L93 Difference]: Finished difference Result 654 states and 801 transitions. [2023-04-03 00:36:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:36:13,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 142 [2023-04-03 00:36:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:36:13,876 INFO L225 Difference]: With dead ends: 654 [2023-04-03 00:36:13,876 INFO L226 Difference]: Without dead ends: 376 [2023-04-03 00:36:13,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:36:13,883 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 52 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:36:13,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 712 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:36:13,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2023-04-03 00:36:13,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 375. [2023-04-03 00:36:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 203 states have (on average 1.2610837438423645) internal successors, (256), 207 states have internal predecessors, (256), 107 states have call successors, (107), 68 states have call predecessors, (107), 64 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2023-04-03 00:36:13,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 465 transitions. [2023-04-03 00:36:13,917 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 465 transitions. Word has length 142 [2023-04-03 00:36:13,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:36:13,917 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 465 transitions. [2023-04-03 00:36:13,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-03 00:36:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 465 transitions. [2023-04-03 00:36:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-03 00:36:13,922 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:36:13,923 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:36:13,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:36:13,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:36:13,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:36:13,923 INFO L85 PathProgramCache]: Analyzing trace with hash -481127403, now seen corresponding path program 1 times [2023-04-03 00:36:13,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:36:13,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690330494] [2023-04-03 00:36:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:13,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:36:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:14,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:36:14,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690330494] [2023-04-03 00:36:14,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690330494] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:36:14,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480897561] [2023-04-03 00:36:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:36:14,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:36:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:36:14,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:36:14,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:36:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:36:14,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 2127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:36:14,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:36:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:14,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:36:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:36:14,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480897561] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:36:14,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1429519286] [2023-04-03 00:36:14,894 INFO L159 IcfgInterpreter]: Started Sifa with 130 locations of interest [2023-04-03 00:36:14,894 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:36:14,897 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:36:14,900 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:36:14,900 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:36:18,525 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:36:19,057 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 311 for LOIs [2023-04-03 00:36:23,876 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-03 00:36:26,224 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-03 00:36:27,613 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:36:28,343 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-03 00:36:29,741 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-03 00:36:30,561 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs [2023-04-03 00:40:15,400 WARN L223 SmtUtils]: Spent 3.72m on a formula simplification. DAG size of input: 19626 DAG size of output: 303 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:40:15,536 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 240 for LOIs