/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_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 05:46:20,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 05:46:20,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 05:46:20,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 05:46:20,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 05:46:20,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 05:46:20,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 05:46:20,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 05:46:20,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 05:46:20,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 05:46:20,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 05:46:20,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 05:46:20,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 05:46:20,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 05:46:20,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 05:46:20,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 05:46:20,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 05:46:20,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 05:46:20,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 05:46:20,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 05:46:20,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 05:46:20,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 05:46:20,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 05:46:20,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 05:46:20,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 05:46:20,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 05:46:20,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 05:46:20,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 05:46:20,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 05:46:20,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 05:46:20,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 05:46:20,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 05:46:20,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 05:46:20,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 05:46:20,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 05:46:20,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 05:46:20,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 05:46:20,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 05:46:20,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 05:46:20,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 05:46:20,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 05:46:20,526 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 05:46:20,556 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 05:46:20,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 05:46:20,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 05:46:20,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 05:46:20,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 05:46:20,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 05:46:20,561 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 05:46:20,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 05:46:20,562 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 05:46:20,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 05:46:20,563 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 05:46:20,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 05:46:20,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 05:46:20,563 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 05:46:20,563 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 05:46:20,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 05:46:20,564 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 05:46:20,564 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 05:46:20,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 05:46:20,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 05:46:20,566 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 05:46:20,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 05:46:20,566 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 05:46:20,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 05:46:20,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 05:46:20,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 05:46:20,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:46:20,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 05:46:20,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 05:46:20,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 05:46:20,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 05:46:20,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 05:46:20,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 05:46:20,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 05:46:20,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 05:46:20,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 05:46:20,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 05:46:20,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 05:46:20,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 05:46:20,859 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 05:46:20,859 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 05:46:20,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product32.cil.c [2023-04-01 05:46:22,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 05:46:22,524 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 05:46:22,525 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product32.cil.c [2023-04-01 05:46:22,544 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e16ef467/89128f05fd57413faae39472a1e3b73f/FLAG86a3c6420 [2023-04-01 05:46:22,559 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e16ef467/89128f05fd57413faae39472a1e3b73f [2023-04-01 05:46:22,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 05:46:22,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 05:46:22,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 05:46:22,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 05:46:22,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 05:46:22,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:46:22" (1/1) ... [2023-04-01 05:46:22,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cb56f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:22, skipping insertion in model container [2023-04-01 05:46:22,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 05:46:22" (1/1) ... [2023-04-01 05:46:22,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 05:46:22,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 05:46:22,774 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_spec3_product32.cil.c[1542,1555] [2023-04-01 05:46:23,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:46:23,215 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 05:46:23,225 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_spec3_product32.cil.c[1542,1555] [2023-04-01 05:46:23,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 05:46:23,330 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 05:46:23,336 INFO L208 MainTranslator]: Completed translation [2023-04-01 05:46:23,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23 WrapperNode [2023-04-01 05:46:23,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 05:46:23,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 05:46:23,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 05:46:23,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 05:46:23,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,472 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 05:46:23,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 05:46:23,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 05:46:23,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 05:46:23,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (1/1) ... [2023-04-01 05:46:23,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 05:46:23,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:46:23,542 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 05:46:23,569 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 05:46:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 05:46:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 05:46:23,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 05:46:23,593 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 05:46:23,594 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 05:46:23,595 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 05:46:23,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 05:46:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 05:46:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 05:46:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 05:46:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 05:46:23,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 05:46:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 05:46:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 05:46:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 05:46:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 05:46:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 05:46:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 05:46:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 05:46:23,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 05:46:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 05:46:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 05:46:23,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 05:46:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 05:46:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 05:46:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 05:46:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 05:46:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 05:46:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 05:46:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 05:46:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 05:46:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 05:46:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 05:46:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 05:46:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-01 05:46:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 05:46:23,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 05:46:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 05:46:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 05:46:23,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 05:46:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 05:46:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 05:46:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 05:46:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 05:46:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 05:46:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 05:46:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 05:46:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 05:46:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 05:46:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 05:46:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 05:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 05:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 05:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 05:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 05:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 05:46:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 05:46:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 05:46:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 05:46:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 05:46:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 05:46:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 05:46:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 05:46:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 05:46:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 05:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 05:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 05:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 05:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 05:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 05:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 05:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 05:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 05:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 05:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 05:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 05:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 05:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 05:46:23,976 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 05:46:23,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 05:46:25,228 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 05:46:26,232 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 05:46:26,233 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 05:46:26,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:46:26 BoogieIcfgContainer [2023-04-01 05:46:26,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 05:46:26,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 05:46:26,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 05:46:26,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 05:46:26,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 05:46:22" (1/3) ... [2023-04-01 05:46:26,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758ba516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:46:26, skipping insertion in model container [2023-04-01 05:46:26,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 05:46:23" (2/3) ... [2023-04-01 05:46:26,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758ba516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 05:46:26, skipping insertion in model container [2023-04-01 05:46:26,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 05:46:26" (3/3) ... [2023-04-01 05:46:26,249 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_product32.cil.c [2023-04-01 05:46:26,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 05:46:26,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 05:46:26,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 05:46:26,341 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;@e69837a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 05:46:26,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 05:46:26,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 455 states, 227 states have (on average 1.1938325991189427) internal successors, (271), 238 states have internal predecessors, (271), 135 states have call successors, (135), 83 states have call predecessors, (135), 83 states have return successors, (135), 133 states have call predecessors, (135), 135 states have call successors, (135) [2023-04-01 05:46:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 05:46:26,378 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:46:26,379 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:46:26,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:46:26,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:46:26,387 INFO L85 PathProgramCache]: Analyzing trace with hash 608196969, now seen corresponding path program 1 times [2023-04-01 05:46:26,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:46:26,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658066140] [2023-04-01 05:46:26,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:46:26,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:46:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:46:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:26,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:46:26,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658066140] [2023-04-01 05:46:26,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658066140] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:46:26,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:46:26,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 05:46:26,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935932498] [2023-04-01 05:46:26,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:46:26,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 05:46:26,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:46:26,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 05:46:26,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 05:46:26,994 INFO L87 Difference]: Start difference. First operand has 455 states, 227 states have (on average 1.1938325991189427) internal successors, (271), 238 states have internal predecessors, (271), 135 states have call successors, (135), 83 states have call predecessors, (135), 83 states have return successors, (135), 133 states have call predecessors, (135), 135 states have call successors, (135) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:27,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:46:27,162 INFO L93 Difference]: Finished difference Result 650 states and 785 transitions. [2023-04-01 05:46:27,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 05:46:27,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 159 [2023-04-01 05:46:27,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:46:27,186 INFO L225 Difference]: With dead ends: 650 [2023-04-01 05:46:27,186 INFO L226 Difference]: Without dead ends: 407 [2023-04-01 05:46:27,194 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 05:46:27,198 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:46:27,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:46:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2023-04-01 05:46:27,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2023-04-01 05:46:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 205 states have (on average 1.1902439024390243) internal successors, (244), 213 states have internal predecessors, (244), 123 states have call successors, (123), 82 states have call predecessors, (123), 78 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-01 05:46:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 484 transitions. [2023-04-01 05:46:27,268 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 484 transitions. Word has length 159 [2023-04-01 05:46:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:46:27,271 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 484 transitions. [2023-04-01 05:46:27,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 484 transitions. [2023-04-01 05:46:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-01 05:46:27,278 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:46:27,278 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:46:27,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 05:46:27,278 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:46:27,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:46:27,279 INFO L85 PathProgramCache]: Analyzing trace with hash -600587493, now seen corresponding path program 1 times [2023-04-01 05:46:27,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:46:27,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558907205] [2023-04-01 05:46:27,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:46:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:46:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:46:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:27,688 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:46:27,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558907205] [2023-04-01 05:46:27,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558907205] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:46:27,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:46:27,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:46:27,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544206108] [2023-04-01 05:46:27,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:46:27,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:46:27,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:46:27,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:46:27,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:46:27,693 INFO L87 Difference]: Start difference. First operand 407 states and 484 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:46:27,826 INFO L93 Difference]: Finished difference Result 635 states and 748 transitions. [2023-04-01 05:46:27,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:46:27,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 160 [2023-04-01 05:46:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:46:27,831 INFO L225 Difference]: With dead ends: 635 [2023-04-01 05:46:27,831 INFO L226 Difference]: Without dead ends: 409 [2023-04-01 05:46:27,833 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 05:46:27,834 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 0 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:46:27,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 874 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:46:27,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-04-01 05:46:27,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2023-04-01 05:46:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 207 states have (on average 1.1884057971014492) internal successors, (246), 215 states have internal predecessors, (246), 123 states have call successors, (123), 82 states have call predecessors, (123), 78 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-01 05:46:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 486 transitions. [2023-04-01 05:46:27,866 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 486 transitions. Word has length 160 [2023-04-01 05:46:27,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:46:27,867 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 486 transitions. [2023-04-01 05:46:27,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:27,868 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 486 transitions. [2023-04-01 05:46:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-04-01 05:46:27,871 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:46:27,871 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:46:27,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 05:46:27,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:46:27,872 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:46:27,872 INFO L85 PathProgramCache]: Analyzing trace with hash -541290055, now seen corresponding path program 1 times [2023-04-01 05:46:27,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:46:27,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533045456] [2023-04-01 05:46:27,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:46:27,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:46:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:46:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:28,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:46:28,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533045456] [2023-04-01 05:46:28,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533045456] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:46:28,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:46:28,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:46:28,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112343447] [2023-04-01 05:46:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:46:28,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:46:28,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:46:28,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:46:28,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:46:28,057 INFO L87 Difference]: Start difference. First operand 409 states and 486 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:46:28,195 INFO L93 Difference]: Finished difference Result 802 states and 982 transitions. [2023-04-01 05:46:28,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:46:28,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 169 [2023-04-01 05:46:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:46:28,198 INFO L225 Difference]: With dead ends: 802 [2023-04-01 05:46:28,199 INFO L226 Difference]: Without dead ends: 451 [2023-04-01 05:46:28,200 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 05:46:28,201 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 53 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:46:28,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 874 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:46:28,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2023-04-01 05:46:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 450. [2023-04-01 05:46:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 239 states have (on average 1.2510460251046025) internal successors, (299), 247 states have internal predecessors, (299), 132 states have call successors, (132), 82 states have call predecessors, (132), 78 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2023-04-01 05:46:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 557 transitions. [2023-04-01 05:46:28,227 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 557 transitions. Word has length 169 [2023-04-01 05:46:28,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:46:28,227 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 557 transitions. [2023-04-01 05:46:28,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 557 transitions. [2023-04-01 05:46:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-04-01 05:46:28,230 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:46:28,231 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:46:28,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 05:46:28,231 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:46:28,231 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:46:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1120157606, now seen corresponding path program 1 times [2023-04-01 05:46:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:46:28,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147323250] [2023-04-01 05:46:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:46:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:46:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:46:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:28,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:46:28,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147323250] [2023-04-01 05:46:28,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147323250] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 05:46:28,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 05:46:28,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 05:46:28,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283834302] [2023-04-01 05:46:28,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 05:46:28,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 05:46:28,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 05:46:28,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 05:46:28,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 05:46:28,501 INFO L87 Difference]: Start difference. First operand 450 states and 557 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:28,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 05:46:28,620 INFO L93 Difference]: Finished difference Result 922 states and 1190 transitions. [2023-04-01 05:46:28,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 05:46:28,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 170 [2023-04-01 05:46:28,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 05:46:28,627 INFO L225 Difference]: With dead ends: 922 [2023-04-01 05:46:28,627 INFO L226 Difference]: Without dead ends: 530 [2023-04-01 05:46:28,629 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 05:46:28,636 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 51 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 05:46:28,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 876 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 05:46:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2023-04-01 05:46:28,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 529. [2023-04-01 05:46:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 301 states have (on average 1.3322259136212624) internal successors, (401), 309 states have internal predecessors, (401), 149 states have call successors, (149), 82 states have call predecessors, (149), 78 states have return successors, (143), 142 states have call predecessors, (143), 143 states have call successors, (143) [2023-04-01 05:46:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 693 transitions. [2023-04-01 05:46:28,688 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 693 transitions. Word has length 170 [2023-04-01 05:46:28,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 05:46:28,689 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 693 transitions. [2023-04-01 05:46:28,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-01 05:46:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 693 transitions. [2023-04-01 05:46:28,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-01 05:46:28,696 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 05:46:28,696 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 05:46:28,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 05:46:28,697 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 05:46:28,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 05:46:28,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1566790, now seen corresponding path program 1 times [2023-04-01 05:46:28,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 05:46:28,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742396052] [2023-04-01 05:46:28,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:46:28,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 05:46:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:46:29,040 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:29,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 05:46:29,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742396052] [2023-04-01 05:46:29,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742396052] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 05:46:29,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65662266] [2023-04-01 05:46:29,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 05:46:29,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 05:46:29,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 05:46:29,047 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 05:46:29,049 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 05:46:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 05:46:29,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 2738 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 05:46:29,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 05:46:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:29,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 05:46:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-01 05:46:29,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65662266] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 05:46:29,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1026801387] [2023-04-01 05:46:29,951 INFO L159 IcfgInterpreter]: Started Sifa with 156 locations of interest [2023-04-01 05:46:29,951 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 05:46:29,954 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 05:46:29,958 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 05:46:29,959 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 05:46:35,411 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-04-01 05:46:36,223 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 365 for LOIs [2023-04-01 05:46:44,334 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 250 for LOIs [2023-04-01 05:46:47,144 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 241 for LOIs [2023-04-01 05:46:49,064 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 232 for LOIs [2023-04-01 05:46:49,961 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 242 for LOIs [2023-04-01 05:46:51,611 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 233 for LOIs [2023-04-01 05:46:52,653 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 246 for LOIs