/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_spec9_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:53:07,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:53:07,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:53:08,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:53:08,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:53:08,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:53:08,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:53:08,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:53:08,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:53:08,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:53:08,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:53:08,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:53:08,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:53:08,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:53:08,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:53:08,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:53:08,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:53:08,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:53:08,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:53:08,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:53:08,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:53:08,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:53:08,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:53:08,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:53:08,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:53:08,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:53:08,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:53:08,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:53:08,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:53:08,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:53:08,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:53:08,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:53:08,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:53:08,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:53:08,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:53:08,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:53:08,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:53:08,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:53:08,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:53:08,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:53:08,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:53:08,062 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 00:53:08,083 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:53:08,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:53:08,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:53:08,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:53:08,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:53:08,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:53:08,084 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:53:08,084 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:53:08,085 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:53:08,086 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:53:08,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:53:08,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:53:08,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:53:08,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:53:08,088 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:53:08,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:53:08,088 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:53:08,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:53:08,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:53:08,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:53:08,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:53:08,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:53:08,089 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:53:08,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:53:08,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:53:08,089 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:53:08,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:53:08,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:53:08,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:53:08,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:53:08,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:53:08,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:53:08,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:53:08,297 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:53:08,298 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:53:08,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2023-04-03 00:53:09,322 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:53:09,666 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:53:09,666 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2023-04-03 00:53:09,677 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e0a7bec/577930707b7e4c5a9f67277f87f49618/FLAG93ba94107 [2023-04-03 00:53:09,946 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1e0a7bec/577930707b7e4c5a9f67277f87f49618 [2023-04-03 00:53:09,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:53:09,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:53:09,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:53:09,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:53:09,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:53:09,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:53:09" (1/1) ... [2023-04-03 00:53:09,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8a1e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:09, skipping insertion in model container [2023-04-03 00:53:09,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:53:09" (1/1) ... [2023-04-03 00:53:09,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:53:10,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:53:10,172 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_spec9_product21.cil.c[10263,10276] [2023-04-03 00:53:10,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:53:10,302 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:53:10,321 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_spec9_product21.cil.c[10263,10276] [2023-04-03 00:53:10,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:53:10,383 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:53:10,388 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:53:10,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10 WrapperNode [2023-04-03 00:53:10,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:53:10,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:53:10,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:53:10,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:53:10,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:53:10,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:53:10,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:53:10,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:53:10,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (1/1) ... [2023-04-03 00:53:10,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:53:10,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:53:10,590 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 00:53:10,609 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 00:53:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:53:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:53:10,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:53:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:53:10,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:53:10,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:53:10,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:53:10,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:53:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:53:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:53:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:53:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:53:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:53:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:53:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:53:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:53:10,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:53:10,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:53:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:53:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:53:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:53:10,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:53:10,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:53:10,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:53:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:53:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:53:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:53:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:53:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:53:10,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:53:10,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:53:10,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:53:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:53:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:53:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:53:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:53:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:53:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:53:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:53:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:53:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:53:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:53:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:53:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:53:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:53:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:53:10,963 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:53:10,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:53:11,807 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:53:12,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:53:12,348 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:53:12,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:53:12 BoogieIcfgContainer [2023-04-03 00:53:12,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:53:12,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:53:12,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:53:12,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:53:12,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:53:09" (1/3) ... [2023-04-03 00:53:12,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c54ae47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:53:12, skipping insertion in model container [2023-04-03 00:53:12,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:53:10" (2/3) ... [2023-04-03 00:53:12,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c54ae47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:53:12, skipping insertion in model container [2023-04-03 00:53:12,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:53:12" (3/3) ... [2023-04-03 00:53:12,357 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product21.cil.c [2023-04-03 00:53:12,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:53:12,370 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:53:12,405 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:53:12,409 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;@6d665cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:53:12,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:53:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 197 states have (on average 1.1928934010152283) internal successors, (235), 205 states have internal predecessors, (235), 117 states have call successors, (117), 76 states have call predecessors, (117), 76 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-03 00:53:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-03 00:53:12,426 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:53:12,426 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:53:12,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:53:12,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:53:12,430 INFO L85 PathProgramCache]: Analyzing trace with hash -477336569, now seen corresponding path program 1 times [2023-04-03 00:53:12,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:53:12,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475992003] [2023-04-03 00:53:12,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:53:12,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:53:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:53:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:53:12,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:53:12,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475992003] [2023-04-03 00:53:12,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475992003] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:53:12,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:53:12,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:53:12,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862638201] [2023-04-03 00:53:12,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:53:12,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:53:12,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:53:12,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:53:12,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:53:12,829 INFO L87 Difference]: Start difference. First operand has 396 states, 197 states have (on average 1.1928934010152283) internal successors, (235), 205 states have internal predecessors, (235), 117 states have call successors, (117), 76 states have call predecessors, (117), 76 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:53:12,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:53:12,916 INFO L93 Difference]: Finished difference Result 574 states and 683 transitions. [2023-04-03 00:53:12,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:53:12,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-04-03 00:53:12,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:53:12,927 INFO L225 Difference]: With dead ends: 574 [2023-04-03 00:53:12,927 INFO L226 Difference]: Without dead ends: 369 [2023-04-03 00:53:12,930 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 00:53:12,933 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:53:12,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 401 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:53:12,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-04-03 00:53:12,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2023-04-03 00:53:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 184 states have (on average 1.1793478260869565) internal successors, (217), 189 states have internal predecessors, (217), 112 states have call successors, (112), 76 states have call predecessors, (112), 72 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:53:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 436 transitions. [2023-04-03 00:53:12,980 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 436 transitions. Word has length 121 [2023-04-03 00:53:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:53:12,981 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 436 transitions. [2023-04-03 00:53:12,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:53:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 436 transitions. [2023-04-03 00:53:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-03 00:53:12,984 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:53:12,985 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:53:12,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:53:12,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:53:12,985 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:53:12,985 INFO L85 PathProgramCache]: Analyzing trace with hash -735250522, now seen corresponding path program 1 times [2023-04-03 00:53:12,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:53:12,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825428071] [2023-04-03 00:53:12,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:53:12,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:53:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:53:13,322 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:53:13,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:53:13,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825428071] [2023-04-03 00:53:13,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825428071] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:53:13,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:53:13,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:53:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187707163] [2023-04-03 00:53:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:53:13,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:53:13,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:53:13,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:53:13,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:53:13,326 INFO L87 Difference]: Start difference. First operand 369 states and 436 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:53:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:53:13,437 INFO L93 Difference]: Finished difference Result 559 states and 652 transitions. [2023-04-03 00:53:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:53:13,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-04-03 00:53:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:53:13,441 INFO L225 Difference]: With dead ends: 559 [2023-04-03 00:53:13,441 INFO L226 Difference]: Without dead ends: 371 [2023-04-03 00:53:13,442 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 00:53:13,443 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 0 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:53:13,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 782 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:53:13,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-04-03 00:53:13,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2023-04-03 00:53:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 191 states have internal predecessors, (219), 112 states have call successors, (112), 76 states have call predecessors, (112), 72 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:53:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 438 transitions. [2023-04-03 00:53:13,461 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 438 transitions. Word has length 122 [2023-04-03 00:53:13,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:53:13,462 INFO L495 AbstractCegarLoop]: Abstraction has 371 states and 438 transitions. [2023-04-03 00:53:13,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:53:13,462 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 438 transitions. [2023-04-03 00:53:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-03 00:53:13,464 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:53:13,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:53:13,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:53:13,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:53:13,465 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:53:13,465 INFO L85 PathProgramCache]: Analyzing trace with hash -612092639, now seen corresponding path program 1 times [2023-04-03 00:53:13,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:53:13,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526165244] [2023-04-03 00:53:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:53:13,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:53:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:53:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:53:13,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:53:13,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526165244] [2023-04-03 00:53:13,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526165244] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:53:13,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:53:13,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:53:13,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208436045] [2023-04-03 00:53:13,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:53:13,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:53:13,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:53:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:53:13,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:53:13,585 INFO L87 Difference]: Start difference. First operand 371 states and 438 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:53:13,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:53:13,712 INFO L93 Difference]: Finished difference Result 726 states and 886 transitions. [2023-04-03 00:53:13,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:53:13,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-04-03 00:53:13,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:53:13,715 INFO L225 Difference]: With dead ends: 726 [2023-04-03 00:53:13,715 INFO L226 Difference]: Without dead ends: 413 [2023-04-03 00:53:13,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:53:13,717 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 53 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:53:13,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 782 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:53:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-04-03 00:53:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 412. [2023-04-03 00:53:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 218 states have (on average 1.2477064220183487) internal successors, (272), 223 states have internal predecessors, (272), 121 states have call successors, (121), 76 states have call predecessors, (121), 72 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2023-04-03 00:53:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 509 transitions. [2023-04-03 00:53:13,733 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 509 transitions. Word has length 127 [2023-04-03 00:53:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:53:13,734 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 509 transitions. [2023-04-03 00:53:13,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:53:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 509 transitions. [2023-04-03 00:53:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:53:13,736 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:53:13,736 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:53:13,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:53:13,737 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:53:13,737 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:53:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash 90343066, now seen corresponding path program 1 times [2023-04-03 00:53:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:53:13,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217075637] [2023-04-03 00:53:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:53:13,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:53:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:53:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:53:13,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:53:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217075637] [2023-04-03 00:53:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217075637] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:53:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187255099] [2023-04-03 00:53:13,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:53:13,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:53:13,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:53:13,917 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 00:53:13,924 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 00:53:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:53:14,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:53:14,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:53:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:53:14,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:53:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:53:14,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187255099] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:53:14,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [307148889] [2023-04-03 00:53:14,638 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-03 00:53:14,638 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:53:14,641 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:53:14,644 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:53:14,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:53:18,239 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-03 00:53:18,956 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 351 for LOIs [2023-04-03 00:53:25,399 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-04-03 00:53:27,843 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-04-03 00:53:29,372 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-04-03 00:53:30,127 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-04-03 00:53:31,582 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-04-03 00:53:32,438 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-04-03 00:57:24,108 WARN L223 SmtUtils]: Spent 3.83m on a formula simplification. DAG size of input: 19623 DAG size of output: 302 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:57:24,252 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs