/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:53:59,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:53:59,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:53:59,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:53:59,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:53:59,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:53:59,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:53:59,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:53:59,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:53:59,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:53:59,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:53:59,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:53:59,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:53:59,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:53:59,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:53:59,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:53:59,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:53:59,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:53:59,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:53:59,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:53:59,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:53:59,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:53:59,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:53:59,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:53:59,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:53:59,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:53:59,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:53:59,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:53:59,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:53:59,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:53:59,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:53:59,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:53:59,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:53:59,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:53:59,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:53:59,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:53:59,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:53:59,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:53:59,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:53:59,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:53:59,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:53:59,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 11:53:59,417 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:53:59,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:53:59,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:53:59,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:53:59,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:53:59,418 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:53:59,418 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:53:59,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:53:59,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:53:59,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:53:59,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:53:59,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:53:59,420 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:53:59,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:53:59,422 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:53:59,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:53:59,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:53:59,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:53:59,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:53:59,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:53:59,422 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:53:59,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:53:59,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:53:59,423 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:53:59,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:53:59,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:53:59,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:53:59,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:53:59,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:53:59,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:53:59,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:53:59,632 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:53:59,632 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:53:59,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-04-01 11:54:00,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:54:01,083 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:54:01,084 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-04-01 11:54:01,099 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c3b503d/94ab68a0048444c3ac6747740fd9d2dd/FLAG38b039596 [2023-04-01 11:54:01,110 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c3b503d/94ab68a0048444c3ac6747740fd9d2dd [2023-04-01 11:54:01,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:54:01,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:54:01,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:54:01,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:54:01,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:54:01,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a938107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01, skipping insertion in model container [2023-04-01 11:54:01,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:54:01,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:54:01,409 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_product21.cil.c[54302,54315] [2023-04-01 11:54:01,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:54:01,445 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:54:01,551 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_product21.cil.c[54302,54315] [2023-04-01 11:54:01,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:54:01,591 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:54:01,597 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:54:01,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01 WrapperNode [2023-04-01 11:54:01,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:54:01,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:54:01,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:54:01,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:54:01,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:54:01,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:54:01,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:54:01,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:54:01,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (1/1) ... [2023-04-01 11:54:01,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:54:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:54:01,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 11:54:01,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 11:54:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:54:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 11:54:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:54:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:54:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:54:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:54:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:54:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:54:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:54:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:54:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:54:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:54:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:54:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:54:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:54:01,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:54:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:54:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:54:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:54:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:54:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:54:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:54:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:54:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:54:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:54:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:54:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:54:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:54:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:54:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:54:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:54:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:54:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:54:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:54:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:54:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:54:01,985 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:54:01,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:54:02,924 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:54:03,619 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:54:03,619 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:54:03,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:54:03 BoogieIcfgContainer [2023-04-01 11:54:03,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:54:03,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:54:03,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:54:03,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:54:03,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:54:01" (1/3) ... [2023-04-01 11:54:03,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1460664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:54:03, skipping insertion in model container [2023-04-01 11:54:03,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:54:01" (2/3) ... [2023-04-01 11:54:03,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1460664c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:54:03, skipping insertion in model container [2023-04-01 11:54:03,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:54:03" (3/3) ... [2023-04-01 11:54:03,640 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2023-04-01 11:54:03,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:54:03,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:54:03,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:54:03,712 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;@35b34339, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:54:03,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:54:03,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 199 states have (on average 1.1909547738693467) internal successors, (237), 207 states have internal predecessors, (237), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-01 11:54:03,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-04-01 11:54:03,739 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:54:03,740 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:54:03,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:54:03,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:54:03,745 INFO L85 PathProgramCache]: Analyzing trace with hash 710996780, now seen corresponding path program 1 times [2023-04-01 11:54:03,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:54:03,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279323988] [2023-04-01 11:54:03,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:54:03,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:54:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:54:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:54:04,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:54:04,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279323988] [2023-04-01 11:54:04,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279323988] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:54:04,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:54:04,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:54:04,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234056913] [2023-04-01 11:54:04,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:54:04,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:54:04,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:54:04,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:54:04,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:54:04,164 INFO L87 Difference]: Start difference. First operand has 400 states, 199 states have (on average 1.1909547738693467) internal successors, (237), 207 states have internal predecessors, (237), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:54:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:54:04,329 INFO L93 Difference]: Finished difference Result 582 states and 696 transitions. [2023-04-01 11:54:04,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:54:04,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 143 [2023-04-01 11:54:04,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:54:04,342 INFO L225 Difference]: With dead ends: 582 [2023-04-01 11:54:04,342 INFO L226 Difference]: Without dead ends: 373 [2023-04-01 11:54:04,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:54:04,352 INFO L413 NwaCegarLoop]: 407 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, 407 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:54:04,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:54:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-04-01 11:54:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-04-01 11:54:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 186 states have (on average 1.1774193548387097) internal successors, (219), 191 states have internal predecessors, (219), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-01 11:54:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 442 transitions. [2023-04-01 11:54:04,412 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 442 transitions. Word has length 143 [2023-04-01 11:54:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:54:04,413 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 442 transitions. [2023-04-01 11:54:04,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:54:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 442 transitions. [2023-04-01 11:54:04,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-04-01 11:54:04,416 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:54:04,416 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:54:04,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:54:04,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:54:04,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:54:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1401188340, now seen corresponding path program 1 times [2023-04-01 11:54:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:54:04,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180669930] [2023-04-01 11:54:04,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:54:04,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:54:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:54:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:54:04,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:54:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180669930] [2023-04-01 11:54:04,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180669930] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:54:04,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:54:04,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:54:04,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100108349] [2023-04-01 11:54:04,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:54:04,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:54:04,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:54:04,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:54:04,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:54:04,755 INFO L87 Difference]: Start difference. First operand 373 states and 442 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:54:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:54:04,896 INFO L93 Difference]: Finished difference Result 567 states and 664 transitions. [2023-04-01 11:54:04,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:54:04,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 144 [2023-04-01 11:54:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:54:04,900 INFO L225 Difference]: With dead ends: 567 [2023-04-01 11:54:04,900 INFO L226 Difference]: Without dead ends: 375 [2023-04-01 11:54:04,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:54:04,902 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 0 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 794 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 [2023-04-01 11:54:04,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 794 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:54:04,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-04-01 11:54:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-04-01 11:54:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 188 states have (on average 1.175531914893617) internal successors, (221), 193 states have internal predecessors, (221), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-04-01 11:54:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 444 transitions. [2023-04-01 11:54:04,926 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 444 transitions. Word has length 144 [2023-04-01 11:54:04,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:54:04,926 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 444 transitions. [2023-04-01 11:54:04,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:54:04,926 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 444 transitions. [2023-04-01 11:54:04,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-01 11:54:04,928 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:54:04,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:54:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:54:04,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:54:04,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:54:04,935 INFO L85 PathProgramCache]: Analyzing trace with hash -20739086, now seen corresponding path program 1 times [2023-04-01 11:54:04,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:54:04,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613713820] [2023-04-01 11:54:04,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:54:04,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:54:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:54:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:54:05,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:54:05,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613713820] [2023-04-01 11:54:05,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613713820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:54:05,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:54:05,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:54:05,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581484180] [2023-04-01 11:54:05,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:54:05,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:54:05,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:54:05,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:54:05,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:54:05,148 INFO L87 Difference]: Start difference. First operand 375 states and 444 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:54:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:54:05,278 INFO L93 Difference]: Finished difference Result 734 states and 898 transitions. [2023-04-01 11:54:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:54:05,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 149 [2023-04-01 11:54:05,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:54:05,281 INFO L225 Difference]: With dead ends: 734 [2023-04-01 11:54:05,281 INFO L226 Difference]: Without dead ends: 417 [2023-04-01 11:54:05,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:54:05,284 INFO L413 NwaCegarLoop]: 403 mSDtfsCounter, 53 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 794 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 [2023-04-01 11:54:05,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 794 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:54:05,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-04-01 11:54:05,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2023-04-01 11:54:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 220 states have (on average 1.2454545454545454) internal successors, (274), 225 states have internal predecessors, (274), 123 states have call successors, (123), 76 states have call predecessors, (123), 72 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2023-04-01 11:54:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 515 transitions. [2023-04-01 11:54:05,328 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 515 transitions. Word has length 149 [2023-04-01 11:54:05,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:54:05,329 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 515 transitions. [2023-04-01 11:54:05,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:54:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 515 transitions. [2023-04-01 11:54:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-01 11:54:05,331 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:54:05,331 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:54:05,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:54:05,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:54:05,332 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:54:05,332 INFO L85 PathProgramCache]: Analyzing trace with hash -455989514, now seen corresponding path program 1 times [2023-04-01 11:54:05,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:54:05,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001424276] [2023-04-01 11:54:05,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:54:05,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:54:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:54:05,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:54:05,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:54:05,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001424276] [2023-04-01 11:54:05,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001424276] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:54:05,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548491049] [2023-04-01 11:54:05,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:54:05,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:54:05,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:54:05,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 11:54:05,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 11:54:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:54:06,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:54:06,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:54:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:54:06,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:54:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:54:06,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548491049] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:54:06,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1374304781] [2023-04-01 11:54:06,371 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-01 11:54:06,372 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:54:06,374 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:54:06,391 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:54:06,391 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:54:15,634 WARN L223 SmtUtils]: Spent 5.78s on a formula simplification. DAG size of input: 501 DAG size of output: 501 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:20,931 WARN L223 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 501 DAG size of output: 501 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:22,330 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 11:54:22,869 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 622 for LOIs [2023-04-01 11:54:39,022 WARN L223 SmtUtils]: Spent 13.70s on a formula simplification. DAG size of input: 622 DAG size of output: 622 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:54:52,670 WARN L223 SmtUtils]: Spent 13.64s on a formula simplification. DAG size of input: 622 DAG size of output: 622 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:55:06,283 WARN L223 SmtUtils]: Spent 13.61s on a formula simplification. DAG size of input: 622 DAG size of output: 622 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)