/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_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:31:10,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:31:10,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:31:10,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:31:10,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:31:10,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:31:10,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:31:10,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:31:10,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:31:10,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:31:10,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:31:10,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:31:10,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:31:10,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:31:10,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:31:10,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:31:10,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:31:10,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:31:10,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:31:10,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:31:10,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:31:10,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:31:10,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:31:10,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:31:10,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:31:10,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:31:10,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:31:10,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:31:10,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:31:10,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:31:10,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:31:10,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:31:10,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:31:10,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:31:10,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:31:10,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:31:10,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:31:10,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:31:10,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:31:10,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:31:10,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:31:10,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:31:10,764 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:31:10,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:31:10,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:31:10,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:31:10,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:31:10,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:31:10,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:31:10,766 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:31:10,766 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:31:10,767 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:31:10,767 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:31:10,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:31:10,767 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:31:10,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:31:10,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:31:10,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:31:10,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:31:10,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:31:10,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:31:10,769 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:31:10,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:31:10,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:31:10,769 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:31:10,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:31:10,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:31:10,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:31:10,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:31:11,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:31:11,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:31:11,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:31:11,038 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:31:11,039 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:31:11,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product24.cil.c [2023-04-03 00:31:12,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:31:12,524 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:31:12,528 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product24.cil.c [2023-04-03 00:31:12,552 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f730ba114/5e73fa7e1ce6404a930083612d01d2e7/FLAG77a287e5a [2023-04-03 00:31:12,569 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f730ba114/5e73fa7e1ce6404a930083612d01d2e7 [2023-04-03 00:31:12,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:31:12,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:31:12,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:31:12,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:31:12,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:31:12,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:31:12" (1/1) ... [2023-04-03 00:31:12,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35951fff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:12, skipping insertion in model container [2023-04-03 00:31:12,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:31:12" (1/1) ... [2023-04-03 00:31:12,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:31:12,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:31:13,001 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_spec4_product24.cil.c[33676,33689] [2023-04-03 00:31:13,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:31:13,227 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:31:13,303 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_spec4_product24.cil.c[33676,33689] [2023-04-03 00:31:13,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:31:13,368 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:31:13,374 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:31:13,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13 WrapperNode [2023-04-03 00:31:13,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:31:13,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:31:13,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:31:13,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:31:13,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,488 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,496 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:31:13,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:31:13,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:31:13,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:31:13,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (1/1) ... [2023-04-03 00:31:13,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:31:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:31:13,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:31:13,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:31:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:31:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:31:13,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:31:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:31:13,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:31:13,599 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:31:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:31:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:31:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:31:13,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:31:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:31:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:31:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:31:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:31:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:31:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:31:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:31:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:31:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:31:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:31:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:31:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:31:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:31:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:31:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:31:13,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:31:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:31:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:31:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:31:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:31:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:31:13,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:31:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:31:13,609 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:31:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:31:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:31:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:31:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:31:13,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:31:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:31:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-03 00:31:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:31:13,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:31:13,612 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:31:13,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:31:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:31:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:31:13,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:31:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:31:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:31:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:31:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:31:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-03 00:31:13,619 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:31:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:31:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:31:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:31:13,624 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:31:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:31:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:31:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:31:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:31:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:31:13,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:31:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:31:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:31:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:31:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:31:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:31:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:31:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:31:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:31:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:31:13,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:31:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:31:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:31:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:31:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:31:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:31:13,632 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:31:13,633 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:31:13,634 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2023-04-03 00:31:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-03 00:31:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:31:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:31:14,018 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:31:14,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:31:15,088 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:31:15,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:31:15,810 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:31:15,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:31:15 BoogieIcfgContainer [2023-04-03 00:31:15,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:31:15,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:31:15,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:31:15,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:31:15,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:31:12" (1/3) ... [2023-04-03 00:31:15,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:31:15, skipping insertion in model container [2023-04-03 00:31:15,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:31:13" (2/3) ... [2023-04-03 00:31:15,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464c7701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:31:15, skipping insertion in model container [2023-04-03 00:31:15,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:31:15" (3/3) ... [2023-04-03 00:31:15,823 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec4_product24.cil.c [2023-04-03 00:31:15,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:31:15,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:31:15,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:31:15,893 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;@ef8689d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:31:15,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:31:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 383 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 200 states have internal predecessors, (229), 110 states have call successors, (110), 76 states have call predecessors, (110), 76 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-04-03 00:31:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-04-03 00:31:15,958 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:15,959 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] [2023-04-03 00:31:15,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:15,964 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash 530068027, now seen corresponding path program 1 times [2023-04-03 00:31:15,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:15,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978513388] [2023-04-03 00:31:15,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:15,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:16,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:16,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978513388] [2023-04-03 00:31:16,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978513388] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:16,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:16,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:31:16,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964125298] [2023-04-03 00:31:16,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:16,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:31:16,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:16,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:31:16,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:31:16,537 INFO L87 Difference]: Start difference. First operand has 383 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 200 states have internal predecessors, (229), 110 states have call successors, (110), 76 states have call predecessors, (110), 76 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:31:16,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:16,705 INFO L93 Difference]: Finished difference Result 567 states and 662 transitions. [2023-04-03 00:31:16,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:31:16,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 118 [2023-04-03 00:31:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:16,724 INFO L225 Difference]: With dead ends: 567 [2023-04-03 00:31:16,724 INFO L226 Difference]: Without dead ends: 362 [2023-04-03 00:31:16,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:31:16,731 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:16,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 390 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-04-03 00:31:16,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-04-03 00:31:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 183 states have (on average 1.180327868852459) internal successors, (216), 188 states have internal predecessors, (216), 106 states have call successors, (106), 76 states have call predecessors, (106), 72 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-04-03 00:31:16,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 423 transitions. [2023-04-03 00:31:16,804 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 423 transitions. Word has length 118 [2023-04-03 00:31:16,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:16,805 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 423 transitions. [2023-04-03 00:31:16,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:31:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 423 transitions. [2023-04-03 00:31:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-04-03 00:31:16,810 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:16,810 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] [2023-04-03 00:31:16,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:31:16,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:16,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:16,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1308582032, now seen corresponding path program 1 times [2023-04-03 00:31:16,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:16,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321844971] [2023-04-03 00:31:16,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:16,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:17,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:17,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321844971] [2023-04-03 00:31:17,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321844971] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:17,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:17,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:31:17,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114081153] [2023-04-03 00:31:17,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:17,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:31:17,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:17,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:31:17,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:17,130 INFO L87 Difference]: Start difference. First operand 362 states and 423 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:31:17,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:17,269 INFO L93 Difference]: Finished difference Result 552 states and 634 transitions. [2023-04-03 00:31:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:31:17,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 119 [2023-04-03 00:31:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:17,279 INFO L225 Difference]: With dead ends: 552 [2023-04-03 00:31:17,279 INFO L226 Difference]: Without dead ends: 364 [2023-04-03 00:31:17,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:17,287 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 0 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:17,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 760 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-04-03 00:31:17,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2023-04-03 00:31:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 185 states have (on average 1.1783783783783783) internal successors, (218), 190 states have internal predecessors, (218), 106 states have call successors, (106), 76 states have call predecessors, (106), 72 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-04-03 00:31:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 425 transitions. [2023-04-03 00:31:17,316 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 425 transitions. Word has length 119 [2023-04-03 00:31:17,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:17,316 INFO L495 AbstractCegarLoop]: Abstraction has 364 states and 425 transitions. [2023-04-03 00:31:17,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-04-03 00:31:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 425 transitions. [2023-04-03 00:31:17,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-04-03 00:31:17,320 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:17,320 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:31:17,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:31:17,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:17,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:17,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1764139549, now seen corresponding path program 1 times [2023-04-03 00:31:17,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:17,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810070207] [2023-04-03 00:31:17,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:17,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:17,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:17,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810070207] [2023-04-03 00:31:17,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810070207] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:31:17,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:31:17,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:31:17,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708320900] [2023-04-03 00:31:17,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:31:17,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:31:17,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:31:17,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:31:17,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:17,512 INFO L87 Difference]: Start difference. First operand 364 states and 425 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:17,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:31:17,601 INFO L93 Difference]: Finished difference Result 712 states and 860 transitions. [2023-04-03 00:31:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:31:17,602 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 131 [2023-04-03 00:31:17,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:31:17,605 INFO L225 Difference]: With dead ends: 712 [2023-04-03 00:31:17,605 INFO L226 Difference]: Without dead ends: 406 [2023-04-03 00:31:17,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:31:17,607 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 53 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:31:17,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 762 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:31:17,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-04-03 00:31:17,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 405. [2023-04-03 00:31:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 217 states have (on average 1.2488479262672811) internal successors, (271), 222 states have internal predecessors, (271), 115 states have call successors, (115), 76 states have call predecessors, (115), 72 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-04-03 00:31:17,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 496 transitions. [2023-04-03 00:31:17,630 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 496 transitions. Word has length 131 [2023-04-03 00:31:17,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:31:17,631 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 496 transitions. [2023-04-03 00:31:17,631 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, (37), 2 states have call predecessors, (37), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-04-03 00:31:17,631 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 496 transitions. [2023-04-03 00:31:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-03 00:31:17,634 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:31:17,634 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:31:17,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:31:17,635 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:31:17,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:31:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash -510391036, now seen corresponding path program 1 times [2023-04-03 00:31:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:31:17,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625458451] [2023-04-03 00:31:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:17,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:31:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:17,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:31:17,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625458451] [2023-04-03 00:31:17,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625458451] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:31:17,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284148033] [2023-04-03 00:31:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:31:17,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:31:17,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:31:17,861 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 00:31:17,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 00:31:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:31:18,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 2066 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:31:18,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:31:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:18,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:31:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 00:31:18,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284148033] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:31:18,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [80776920] [2023-04-03 00:31:18,657 INFO L159 IcfgInterpreter]: Started Sifa with 119 locations of interest [2023-04-03 00:31:18,657 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:31:18,661 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:31:18,665 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:31:18,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:31:23,133 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:31:23,837 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 315 for LOIs [2023-04-03 00:31:29,595 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:31:32,403 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:31:33,956 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:31:34,709 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:31:36,171 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:31:37,068 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:35:22,663 WARN L223 SmtUtils]: Spent 3.73m on a formula simplification. DAG size of input: 19281 DAG size of output: 300 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 00:35:22,815 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs