/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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:42:29,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:42:29,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:42:29,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:42:29,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:42:29,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:42:29,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:42:29,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:42:29,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:42:29,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:42:29,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:42:29,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:42:29,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:42:29,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:42:29,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:42:29,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:42:29,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:42:29,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:42:29,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:42:29,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:42:29,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:42:29,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:42:29,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:42:29,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:42:29,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:42:29,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:42:29,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:42:29,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:42:29,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:42:29,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:42:29,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:42:29,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:42:29,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:42:29,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:42:29,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:42:29,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:42:29,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:42:29,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:42:29,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:42:29,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:42:29,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:42:29,406 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 05:42:29,437 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:42:29,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:42:29,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:42:29,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:42:29,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:42:29,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:42:29,439 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:42:29,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:42:29,439 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:42:29,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:42:29,440 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:42:29,441 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:42:29,441 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:42:29,441 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:42:29,441 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:42:29,441 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:42:29,441 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:42:29,441 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:42:29,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:42:29,442 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:42:29,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:42:29,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:42:29,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:42:29,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:42:29,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:42:29,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:42:29,443 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:42:29,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:42:29,444 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:42:29,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:42:29,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:42:29,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:42:29,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:42:29,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:42:29,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:42:29,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:42:29,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:42:29,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:42:29,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:42:29,678 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:42:29,679 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:42:29,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2023-04-01 05:42:30,848 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:42:31,157 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:42:31,158 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2023-04-01 05:42:31,190 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d7f917a/93d8d38e3fed46d1af8faa0b9209f8cf/FLAG382d5cf72 [2023-04-01 05:42:31,204 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6d7f917a/93d8d38e3fed46d1af8faa0b9209f8cf [2023-04-01 05:42:31,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:42:31,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:42:31,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:42:31,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:42:31,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:42:31,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:31,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553fc366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31, skipping insertion in model container [2023-04-01 05:42:31,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:31,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:42:31,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:42:31,830 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_product14.cil.c[62671,62684] [2023-04-01 05:42:31,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:42:31,850 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:42:31,950 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_product14.cil.c[62671,62684] [2023-04-01 05:42:31,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:42:31,971 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:42:31,978 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:42:31,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31 WrapperNode [2023-04-01 05:42:31,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:42:31,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:42:31,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:42:31,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:42:31,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:31,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:42:32,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:42:32,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:42:32,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:42:32,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (1/1) ... [2023-04-01 05:42:32,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:42:32,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:42:32,162 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 05:42:32,169 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 05:42:32,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:42:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:42:32,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:42:32,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:42:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:42:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:42:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:42:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:42:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:42:32,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:42:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:42:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:42:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:42:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:42:32,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:42:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:42:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:42:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:42:32,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:42:32,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:42:32,208 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:42:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-01 05:42:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:42:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:42:32,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:42:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:42:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:42:32,210 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:42:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 05:42:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:42:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:42:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:42:32,212 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:42:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:42:32,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:42:32,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:42:32,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:42:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:42:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:42:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:42:32,216 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:42:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:42:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:42:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:42:32,217 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:42:32,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:42:32,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:42:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:42:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:42:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:42:32,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:42:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:42:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:42:32,220 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:42:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:42:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:42:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:42:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:42:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:42:32,221 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:42:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:42:32,222 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:42:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:42:32,224 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:42:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:42:32,229 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:42:32,230 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:42:32,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:42:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:42:32,232 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:42:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:42:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:42:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:42:32,237 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:42:32,238 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:42:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:42:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:42:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-01 05:42:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-01 05:42:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:42:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:42:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:42:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:42:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:42:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:42:32,245 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:42:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:42:32,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:42:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:42:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:42:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:42:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:42:32,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:42:32,248 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:42:32,249 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:42:32,250 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:42:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:42:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:42:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:42:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:42:32,610 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:42:32,614 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:42:33,767 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:42:34,511 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:42:34,511 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:42:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:42:34 BoogieIcfgContainer [2023-04-01 05:42:34,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:42:34,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:42:34,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:42:34,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:42:34,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:42:31" (1/3) ... [2023-04-01 05:42:34,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71394c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:42:34, skipping insertion in model container [2023-04-01 05:42:34,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:42:31" (2/3) ... [2023-04-01 05:42:34,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71394c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:42:34, skipping insertion in model container [2023-04-01 05:42:34,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:42:34" (3/3) ... [2023-04-01 05:42:34,531 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2023-04-01 05:42:34,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:42:34,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:42:34,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:42:34,617 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;@6f4f6a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:42:34,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:42:34,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 356 states, 179 states have (on average 1.2067039106145252) internal successors, (216), 186 states have internal predecessors, (216), 104 states have call successors, (104), 65 states have call predecessors, (104), 65 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2023-04-01 05:42:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-04-01 05:42:34,652 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:34,653 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:42:34,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:34,661 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:34,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1676023903, now seen corresponding path program 1 times [2023-04-01 05:42:34,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:34,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289077539] [2023-04-01 05:42:34,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:34,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:35,217 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 05:42:35,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:35,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289077539] [2023-04-01 05:42:35,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289077539] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:42:35,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:42:35,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:42:35,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244529879] [2023-04-01 05:42:35,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:42:35,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:42:35,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:42:35,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:42:35,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:42:35,271 INFO L87 Difference]: Start difference. First operand has 356 states, 179 states have (on average 1.2067039106145252) internal successors, (216), 186 states have internal predecessors, (216), 104 states have call successors, (104), 65 states have call predecessors, (104), 65 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:42:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:42:35,425 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2023-04-01 05:42:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:42:35,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 121 [2023-04-01 05:42:35,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:42:35,447 INFO L225 Difference]: With dead ends: 463 [2023-04-01 05:42:35,447 INFO L226 Difference]: Without dead ends: 310 [2023-04-01 05:42:35,454 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 05:42:35,459 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:42:35,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:42:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-04-01 05:42:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2023-04-01 05:42:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 156 states have (on average 1.1987179487179487) internal successors, (187), 160 states have internal predecessors, (187), 94 states have call successors, (94), 63 states have call predecessors, (94), 59 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-01 05:42:35,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 370 transitions. [2023-04-01 05:42:35,534 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 370 transitions. Word has length 121 [2023-04-01 05:42:35,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:42:35,536 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 370 transitions. [2023-04-01 05:42:35,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:42:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 370 transitions. [2023-04-01 05:42:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-04-01 05:42:35,543 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:35,544 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:42:35,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:42:35,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:35,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 869258344, now seen corresponding path program 1 times [2023-04-01 05:42:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:35,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691050705] [2023-04-01 05:42:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:35,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:35,838 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 05:42:35,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:35,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691050705] [2023-04-01 05:42:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691050705] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:42:35,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:42:35,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:42:35,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907866227] [2023-04-01 05:42:35,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:42:35,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:42:35,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:42:35,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:42:35,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:42:35,843 INFO L87 Difference]: Start difference. First operand 310 states and 370 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:42:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:42:36,016 INFO L93 Difference]: Finished difference Result 448 states and 527 transitions. [2023-04-01 05:42:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:42:36,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 122 [2023-04-01 05:42:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:42:36,023 INFO L225 Difference]: With dead ends: 448 [2023-04-01 05:42:36,023 INFO L226 Difference]: Without dead ends: 312 [2023-04-01 05:42:36,029 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 05:42:36,032 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:42:36,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 668 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:42:36,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-04-01 05:42:36,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2023-04-01 05:42:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 158 states have (on average 1.1962025316455696) internal successors, (189), 162 states have internal predecessors, (189), 94 states have call successors, (94), 63 states have call predecessors, (94), 59 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-04-01 05:42:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 372 transitions. [2023-04-01 05:42:36,075 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 372 transitions. Word has length 122 [2023-04-01 05:42:36,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:42:36,076 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 372 transitions. [2023-04-01 05:42:36,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:42:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 372 transitions. [2023-04-01 05:42:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-04-01 05:42:36,083 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:36,084 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:42:36,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:42:36,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:36,084 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash 776867231, now seen corresponding path program 1 times [2023-04-01 05:42:36,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:36,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671700470] [2023-04-01 05:42:36,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:36,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:36,289 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 05:42:36,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:36,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671700470] [2023-04-01 05:42:36,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671700470] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:42:36,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:42:36,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:42:36,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516804041] [2023-04-01 05:42:36,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:42:36,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:42:36,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:42:36,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:42:36,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:42:36,293 INFO L87 Difference]: Start difference. First operand 312 states and 372 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:42:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:42:36,427 INFO L93 Difference]: Finished difference Result 606 states and 751 transitions. [2023-04-01 05:42:36,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:42:36,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 127 [2023-04-01 05:42:36,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:42:36,430 INFO L225 Difference]: With dead ends: 606 [2023-04-01 05:42:36,430 INFO L226 Difference]: Without dead ends: 352 [2023-04-01 05:42:36,431 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 05:42:36,432 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 52 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:42:36,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 676 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:42:36,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-04-01 05:42:36,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 351. [2023-04-01 05:42:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 189 states have (on average 1.2751322751322751) internal successors, (241), 193 states have internal predecessors, (241), 102 states have call successors, (102), 63 states have call predecessors, (102), 59 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-01 05:42:36,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 440 transitions. [2023-04-01 05:42:36,452 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 440 transitions. Word has length 127 [2023-04-01 05:42:36,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:42:36,453 INFO L495 AbstractCegarLoop]: Abstraction has 351 states and 440 transitions. [2023-04-01 05:42:36,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-01 05:42:36,453 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 440 transitions. [2023-04-01 05:42:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-01 05:42:36,455 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:42:36,455 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:42:36,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:42:36,456 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:42:36,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:42:36,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1869298829, now seen corresponding path program 1 times [2023-04-01 05:42:36,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:42:36,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583991771] [2023-04-01 05:42:36,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:36,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:42:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:36,698 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 05:42:36,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:42:36,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583991771] [2023-04-01 05:42:36,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583991771] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:42:36,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113463711] [2023-04-01 05:42:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:42:36,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:42:36,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:42:36,705 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 05:42:36,731 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 05:42:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:42:37,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 2089 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:42:37,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:42:37,357 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 05:42:37,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:42:37,548 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 05:42:37,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113463711] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:42:37,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1468007098] [2023-04-01 05:42:37,576 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2023-04-01 05:42:37,576 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:42:37,579 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:42:37,584 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:42:37,584 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:42:42,820 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 05:42:43,529 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 341 for LOIs [2023-04-01 05:42:50,391 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-01 05:42:53,099 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-01 05:42:54,681 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-01 05:42:55,586 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-01 05:42:57,203 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-01 05:42:58,078 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs