/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_spec7_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:41:52,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:41:52,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:41:52,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:41:52,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:41:52,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:41:52,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:41:52,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:41:52,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:41:52,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:41:52,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:41:52,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:41:52,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:41:52,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:41:52,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:41:52,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:41:52,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:41:52,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:41:52,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:41:52,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:41:52,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:41:52,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:41:52,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:41:52,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:41:52,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:41:52,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:41:52,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:41:52,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:41:52,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:41:52,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:41:52,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:41:52,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:41:52,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:41:52,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:41:52,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:41:52,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:41:52,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:41:52,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:41:52,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:41:52,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:41:52,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:41:52,353 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 00:41:52,376 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:41:52,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:41:52,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:41:52,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:41:52,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:41:52,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:41:52,378 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:41:52,378 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:41:52,378 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:41:52,378 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:41:52,379 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:41:52,379 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:41:52,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:41:52,380 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:41:52,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:41:52,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:41:52,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:41:52,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:41:52,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:41:52,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:41:52,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:41:52,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:41:52,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:41:52,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:41:52,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:41:52,587 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:41:52,588 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:41:52,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2023-04-03 00:41:53,491 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:41:53,808 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:41:53,813 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2023-04-03 00:41:53,835 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8c0dcaa1/1beb1f8a5c464b59859f5c9d44baf812/FLAG39c48176d [2023-04-03 00:41:53,847 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8c0dcaa1/1beb1f8a5c464b59859f5c9d44baf812 [2023-04-03 00:41:53,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:41:53,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:41:53,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:41:53,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:41:53,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:41:53,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:41:53" (1/1) ... [2023-04-03 00:41:53,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea230b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:53, skipping insertion in model container [2023-04-03 00:41:53,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:41:53" (1/1) ... [2023-04-03 00:41:53,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:41:53,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:41:54,142 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_spec7_product25.cil.c[8804,8817] [2023-04-03 00:41:54,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:41:54,369 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:41:54,394 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_spec7_product25.cil.c[8804,8817] [2023-04-03 00:41:54,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:41:54,472 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:41:54,477 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:41:54,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54 WrapperNode [2023-04-03 00:41:54,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:41:54,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:41:54,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:41:54,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:41:54,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:41:54,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:41:54,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:41:54,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:41:54,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (1/1) ... [2023-04-03 00:41:54,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:41:54,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:41:54,650 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 00:41:54,655 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 00:41:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:41:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:41:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:41:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:41:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:41:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:41:54,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:41:54,687 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:41:54,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-03 00:41:54,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:41:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:41:54,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:41:54,692 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:41:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:41:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:41:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:41:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:41:54,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:41:54,693 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:41:54,694 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-03 00:41:54,695 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:41:54,696 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:41:54,697 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:41:54,698 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:41:54,699 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:41:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:41:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:41:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:41:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-03 00:41:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-03 00:41:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:41:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:41:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:41:54,965 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:41:54,971 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:41:55,802 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:41:56,388 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:41:56,390 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:41:56,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:41:56 BoogieIcfgContainer [2023-04-03 00:41:56,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:41:56,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:41:56,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:41:56,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:41:56,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:41:53" (1/3) ... [2023-04-03 00:41:56,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f4da6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:41:56, skipping insertion in model container [2023-04-03 00:41:56,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:41:54" (2/3) ... [2023-04-03 00:41:56,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f4da6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:41:56, skipping insertion in model container [2023-04-03 00:41:56,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:41:56" (3/3) ... [2023-04-03 00:41:56,404 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2023-04-03 00:41:56,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:41:56,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:41:56,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:41:56,482 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;@67573805, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:41:56,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:41:56,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 400 states, 198 states have (on average 1.1868686868686869) internal successors, (235), 206 states have internal predecessors, (235), 117 states have call successors, (117), 79 states have call predecessors, (117), 79 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) [2023-04-03 00:41:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-04-03 00:41:56,511 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:56,512 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:41:56,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:56,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:56,518 INFO L85 PathProgramCache]: Analyzing trace with hash -752933916, now seen corresponding path program 1 times [2023-04-03 00:41:56,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:56,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034618704] [2023-04-03 00:41:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:41:56,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:56,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034618704] [2023-04-03 00:41:56,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034618704] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:41:56,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:41:56,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:41:56,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493069384] [2023-04-03 00:41:56,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:41:56,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:41:56,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:41:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:41:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:41:56,968 INFO L87 Difference]: Start difference. First operand has 400 states, 198 states have (on average 1.1868686868686869) internal successors, (235), 206 states have internal predecessors, (235), 117 states have call successors, (117), 79 states have call predecessors, (117), 79 states have return successors, (117), 116 states have call predecessors, (117), 117 states have call successors, (117) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:41:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:41:57,104 INFO L93 Difference]: Finished difference Result 582 states and 685 transitions. [2023-04-03 00:41:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:41:57,107 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 128 [2023-04-03 00:41:57,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:41:57,124 INFO L225 Difference]: With dead ends: 582 [2023-04-03 00:41:57,124 INFO L226 Difference]: Without dead ends: 373 [2023-04-03 00:41:57,130 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 00:41:57,133 INFO L413 NwaCegarLoop]: 399 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, 399 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 [2023-04-03 00:41:57,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 399 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:41:57,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-04-03 00:41:57,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-04-03 00:41:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 185 states have (on average 1.172972972972973) internal successors, (217), 190 states have internal predecessors, (217), 112 states have call successors, (112), 79 states have call predecessors, (112), 75 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:41:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 436 transitions. [2023-04-03 00:41:57,209 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 436 transitions. Word has length 128 [2023-04-03 00:41:57,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:41:57,211 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 436 transitions. [2023-04-03 00:41:57,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:41:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 436 transitions. [2023-04-03 00:41:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-04-03 00:41:57,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:57,216 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:41:57,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:41:57,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:57,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1673944266, now seen corresponding path program 1 times [2023-04-03 00:41:57,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:57,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376255813] [2023-04-03 00:41:57,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:41:57,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:57,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376255813] [2023-04-03 00:41:57,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376255813] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:41:57,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:41:57,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:41:57,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388428760] [2023-04-03 00:41:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:41:57,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:41:57,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:41:57,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:41:57,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:41:57,502 INFO L87 Difference]: Start difference. First operand 373 states and 436 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:41:57,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:41:57,601 INFO L93 Difference]: Finished difference Result 567 states and 652 transitions. [2023-04-03 00:41:57,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:41:57,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 129 [2023-04-03 00:41:57,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:41:57,606 INFO L225 Difference]: With dead ends: 567 [2023-04-03 00:41:57,606 INFO L226 Difference]: Without dead ends: 375 [2023-04-03 00:41:57,610 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 00:41:57,611 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 0 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 778 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 [2023-04-03 00:41:57,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 778 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:41:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-04-03 00:41:57,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2023-04-03 00:41:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 187 states have (on average 1.1711229946524064) internal successors, (219), 192 states have internal predecessors, (219), 112 states have call successors, (112), 79 states have call predecessors, (112), 75 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:41:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 438 transitions. [2023-04-03 00:41:57,626 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 438 transitions. Word has length 129 [2023-04-03 00:41:57,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:41:57,626 INFO L495 AbstractCegarLoop]: Abstraction has 375 states and 438 transitions. [2023-04-03 00:41:57,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:41:57,627 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 438 transitions. [2023-04-03 00:41:57,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-04-03 00:41:57,628 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:57,628 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:41:57,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:41:57,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:57,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:57,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1452924106, now seen corresponding path program 1 times [2023-04-03 00:41:57,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:57,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843584333] [2023-04-03 00:41:57,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:41:57,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:57,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843584333] [2023-04-03 00:41:57,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843584333] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:41:57,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:41:57,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:41:57,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474842252] [2023-04-03 00:41:57,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:41:57,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:41:57,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:41:57,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:41:57,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:41:57,741 INFO L87 Difference]: Start difference. First operand 375 states and 438 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:41:57,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:41:57,815 INFO L93 Difference]: Finished difference Result 734 states and 886 transitions. [2023-04-03 00:41:57,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:41:57,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 134 [2023-04-03 00:41:57,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:41:57,818 INFO L225 Difference]: With dead ends: 734 [2023-04-03 00:41:57,818 INFO L226 Difference]: Without dead ends: 417 [2023-04-03 00:41:57,819 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 00:41:57,819 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 53 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 780 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 [2023-04-03 00:41:57,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 780 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:41:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-04-03 00:41:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2023-04-03 00:41:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 219 states have (on average 1.2420091324200913) internal successors, (272), 224 states have internal predecessors, (272), 121 states have call successors, (121), 79 states have call predecessors, (121), 75 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2023-04-03 00:41:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 509 transitions. [2023-04-03 00:41:57,834 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 509 transitions. Word has length 134 [2023-04-03 00:41:57,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:41:57,834 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 509 transitions. [2023-04-03 00:41:57,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-03 00:41:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 509 transitions. [2023-04-03 00:41:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-04-03 00:41:57,836 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:41:57,836 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:41:57,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:41:57,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:41:57,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:41:57,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1972127110, now seen corresponding path program 1 times [2023-04-03 00:41:57,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:41:57,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866079483] [2023-04-03 00:41:57,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:57,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:41:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:41:58,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:41:58,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866079483] [2023-04-03 00:41:58,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866079483] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:41:58,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012109544] [2023-04-03 00:41:58,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:41:58,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:41:58,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:41:58,032 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 00:41:58,033 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 00:41:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:41:58,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 2285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:41:58,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:41:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:41:58,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:41:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-03 00:41:58,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012109544] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:41:58,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2026099340] [2023-04-03 00:41:58,699 INFO L159 IcfgInterpreter]: Started Sifa with 124 locations of interest [2023-04-03 00:41:58,699 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:41:58,702 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:41:58,705 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:41:58,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:42:02,207 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:42:02,892 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 351 for LOIs [2023-04-03 00:42:08,864 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:42:11,299 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:42:12,692 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:42:13,421 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:42:14,816 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:42:15,646 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:45:45,829 WARN L223 SmtUtils]: Spent 3.47m 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 00:45:45,968 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs