/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_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:42:38,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:42:38,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:42:38,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:42:38,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:42:38,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:42:38,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:42:38,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:42:38,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:42:38,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:42:38,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:42:38,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:42:38,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:42:38,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:42:38,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:42:38,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:42:38,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:42:38,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:42:38,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:42:38,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:42:38,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:42:38,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:42:38,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:42:38,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:42:38,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:42:38,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:42:38,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:42:38,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:42:38,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:42:38,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:42:38,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:42:38,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:42:38,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:42:38,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:42:38,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:42:38,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:42:38,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:42:38,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:42:38,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:42:38,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:42:38,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:42:38,608 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 05:42:38,639 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:42:38,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:42:38,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:42:38,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:42:38,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:42:38,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:42:38,640 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:42:38,640 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:42:38,640 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:42:38,641 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:42:38,641 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:42:38,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:42:38,642 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:42:38,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:42:38,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:42:38,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:42:38,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:42:38,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:42:38,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:42:38,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:42:38,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:42:38,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:42:38,933 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:42:38,933 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:42:38,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product16.cil.c [2023-04-01 05:42:40,129 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:42:40,382 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:42:40,382 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product16.cil.c [2023-04-01 05:42:40,398 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b1829630/0b79165017ad436d9f6f7fb8665f99e9/FLAG1a1799246 [2023-04-01 05:42:40,423 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b1829630/0b79165017ad436d9f6f7fb8665f99e9 [2023-04-01 05:42:40,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:42:40,432 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:42:40,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:42:40,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:42:40,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:42:40,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:42:40" (1/1) ... [2023-04-01 05:42:40,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fcd61cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:40, skipping insertion in model container [2023-04-01 05:42:40,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:42:40" (1/1) ... [2023-04-01 05:42:40,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:42:40,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:42:40,809 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_spec1_product16.cil.c[36116,36129] [2023-04-01 05:42:40,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:42:41,010 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:42:41,053 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_spec1_product16.cil.c[36116,36129] [2023-04-01 05:42:41,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:42:41,128 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:42:41,151 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:42:41,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41 WrapperNode [2023-04-01 05:42:41,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:42:41,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:42:41,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:42:41,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:42:41,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:42:41,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:42:41,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:42:41,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:42:41,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (1/1) ... [2023-04-01 05:42:41,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:42:41,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:42:41,376 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 05:42:41,403 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 05:42:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:42:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:42:41,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:42:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:42:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:42:41,419 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:42:41,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:42:41,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:42:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:42:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:42:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:42:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:42:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:42:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:42:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:42:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:42:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:42:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:42:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:42:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:42:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:42:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:42:41,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:42:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:42:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:42:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:42:41,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:42:41,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:42:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:42:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:42:41,430 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:42:41,431 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:42:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:42:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:42:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:42:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:42:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 05:42:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:42:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:42:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:42:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:42:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:42:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:42:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:42:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:42:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:42:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:42:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:42:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:42:41,436 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:42:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:42:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:42:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:42:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:42:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:42:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:42:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:42:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:42:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:42:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:42:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:42:41,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:42:41,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:42:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:42:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 05:42:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:42:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:42:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 05:42:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 05:42:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:42:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:42:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:42:41,726 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:42:41,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:42:42,838 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:42:43,478 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:42:43,479 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:42:43,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:42:43 BoogieIcfgContainer [2023-04-01 05:42:43,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:42:43,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:42:43,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:42:43,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:42:43,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:42:40" (1/3) ... [2023-04-01 05:42:43,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4943bde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:42:43, skipping insertion in model container [2023-04-01 05:42:43,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:41" (2/3) ... [2023-04-01 05:42:43,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4943bde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:42:43, skipping insertion in model container [2023-04-01 05:42:43,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:42:43" (3/3) ... [2023-04-01 05:42:43,495 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product16.cil.c [2023-04-01 05:42:43,510 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:42:43,510 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:42:43,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:42:43,577 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;@579e63c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:42:43,577 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:42:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 176 states have (on average 1.2045454545454546) internal successors, (212), 183 states have internal predecessors, (212), 100 states have call successors, (100), 67 states have call predecessors, (100), 67 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-04-01 05:42:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 05:42:43,599 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:43,600 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] [2023-04-01 05:42:43,601 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:43,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:43,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1948343427, now seen corresponding path program 1 times [2023-04-01 05:42:43,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:43,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559523319] [2023-04-01 05:42:43,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:43,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:44,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:42:44,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:44,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559523319] [2023-04-01 05:42:44,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559523319] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:42:44,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:42:44,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:42:44,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808808340] [2023-04-01 05:42:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:42:44,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:42:44,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:42:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:42:44,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:42:44,061 INFO L87 Difference]: Start difference. First operand has 348 states, 176 states have (on average 1.2045454545454546) internal successors, (212), 183 states have internal predecessors, (212), 100 states have call successors, (100), 67 states have call predecessors, (100), 67 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:42:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:42:44,192 INFO L93 Difference]: Finished difference Result 504 states and 595 transitions. [2023-04-01 05:42:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:42:44,194 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 114 [2023-04-01 05:42:44,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:42:44,213 INFO L225 Difference]: With dead ends: 504 [2023-04-01 05:42:44,213 INFO L226 Difference]: Without dead ends: 327 [2023-04-01 05:42:44,218 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 05:42:44,222 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:42:44,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:42:44,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-04-01 05:42:44,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2023-04-01 05:42:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 167 states have (on average 1.1916167664670658) internal successors, (199), 171 states have internal predecessors, (199), 96 states have call successors, (96), 67 states have call predecessors, (96), 63 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-01 05:42:44,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 386 transitions. [2023-04-01 05:42:44,280 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 386 transitions. Word has length 114 [2023-04-01 05:42:44,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:42:44,281 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 386 transitions. [2023-04-01 05:42:44,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:42:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 386 transitions. [2023-04-01 05:42:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-04-01 05:42:44,284 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:44,284 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] [2023-04-01 05:42:44,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:42:44,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:44,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:44,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1646357725, now seen corresponding path program 1 times [2023-04-01 05:42:44,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:44,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779350780] [2023-04-01 05:42:44,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:42:44,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:44,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779350780] [2023-04-01 05:42:44,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779350780] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:42:44,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:42:44,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:42:44,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914265187] [2023-04-01 05:42:44,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:42:44,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:42:44,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:42:44,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:42:44,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:42:44,559 INFO L87 Difference]: Start difference. First operand 327 states and 386 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:42:44,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:42:44,672 INFO L93 Difference]: Finished difference Result 489 states and 567 transitions. [2023-04-01 05:42:44,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:42:44,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2023-04-01 05:42:44,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:42:44,675 INFO L225 Difference]: With dead ends: 489 [2023-04-01 05:42:44,675 INFO L226 Difference]: Without dead ends: 329 [2023-04-01 05:42:44,677 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 05:42:44,678 INFO L413 NwaCegarLoop]: 349 mSDtfsCounter, 0 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:42:44,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:42:44,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2023-04-01 05:42:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2023-04-01 05:42:44,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 169 states have (on average 1.1893491124260356) internal successors, (201), 173 states have internal predecessors, (201), 96 states have call successors, (96), 67 states have call predecessors, (96), 63 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-01 05:42:44,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 388 transitions. [2023-04-01 05:42:44,694 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 388 transitions. Word has length 115 [2023-04-01 05:42:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:42:44,695 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 388 transitions. [2023-04-01 05:42:44,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:42:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 388 transitions. [2023-04-01 05:42:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-04-01 05:42:44,697 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:44,697 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] [2023-04-01 05:42:44,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:42:44,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:44,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:44,698 INFO L85 PathProgramCache]: Analyzing trace with hash 199012194, now seen corresponding path program 1 times [2023-04-01 05:42:44,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:44,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648771285] [2023-04-01 05:42:44,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:44,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:42:44,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:44,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648771285] [2023-04-01 05:42:44,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648771285] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:42:44,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:42:44,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:42:44,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998369757] [2023-04-01 05:42:44,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:42:44,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:42:44,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:42:44,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:42:44,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:42:44,898 INFO L87 Difference]: Start difference. First operand 329 states and 388 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:42:44,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:42:44,966 INFO L93 Difference]: Finished difference Result 640 states and 783 transitions. [2023-04-01 05:42:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:42:44,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 120 [2023-04-01 05:42:44,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:42:44,969 INFO L225 Difference]: With dead ends: 640 [2023-04-01 05:42:44,969 INFO L226 Difference]: Without dead ends: 369 [2023-04-01 05:42:44,970 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 05:42:44,971 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 52 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 05:42:44,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 690 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 05:42:44,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-04-01 05:42:44,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 368. [2023-04-01 05:42:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 200 states have (on average 1.265) internal successors, (253), 204 states have internal predecessors, (253), 104 states have call successors, (104), 67 states have call predecessors, (104), 63 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-04-01 05:42:44,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 456 transitions. [2023-04-01 05:42:44,989 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 456 transitions. Word has length 120 [2023-04-01 05:42:44,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:42:44,989 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 456 transitions. [2023-04-01 05:42:44,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-04-01 05:42:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 456 transitions. [2023-04-01 05:42:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 05:42:44,991 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:44,992 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] [2023-04-01 05:42:44,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:42:44,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:44,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:44,992 INFO L85 PathProgramCache]: Analyzing trace with hash -180241217, now seen corresponding path program 1 times [2023-04-01 05:42:44,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:44,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070075493] [2023-04-01 05:42:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:44,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:45,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:42:45,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:45,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070075493] [2023-04-01 05:42:45,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070075493] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:42:45,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576596546] [2023-04-01 05:42:45,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:45,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:42:45,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:42:45,182 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 05:42:45,183 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 05:42:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:45,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:42:45,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:42:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:42:45,652 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:42:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-01 05:42:45,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576596546] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:42:45,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [580949540] [2023-04-01 05:42:45,801 INFO L159 IcfgInterpreter]: Started Sifa with 110 locations of interest [2023-04-01 05:42:45,801 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:42:45,803 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:42:45,808 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:42:45,808 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:42:49,098 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 05:42:49,739 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 311 for LOIs [2023-04-01 05:42:54,850 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-01 05:42:57,463 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-01 05:42:58,936 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-01 05:42:59,734 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-01 05:43:01,228 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-01 05:43:02,097 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs