/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 EqDomain -i ../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:45:13,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:45:13,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:45:13,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:45:13,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:45:13,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:45:13,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:45:13,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:45:13,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:45:13,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:45:13,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:45:13,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:45:13,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:45:13,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:45:13,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:45:13,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:45:13,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:45:13,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:45:13,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:45:13,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:45:13,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:45:13,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:45:13,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:45:13,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:45:13,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:45:13,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:45:13,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:45:13,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:45:13,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:45:13,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:45:13,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:45:13,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:45:13,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:45:13,914 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:45:13,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:45:13,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:45:13,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:45:13,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:45:13,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:45:13,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:45:13,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:45:13,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 11:45:13,941 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:45:13,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:45:13,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:45:13,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:45:13,942 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:45:13,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:45:13,943 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:45:13,943 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:45:13,943 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:45:13,943 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:45:13,943 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:45:13,944 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:45:13,944 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:45:13,944 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:45:13,944 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:45:13,944 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:45:13,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:45:13,944 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:45:13,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:45:13,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:45:13,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:45:13,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:45:13,946 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:45:13,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:45:13,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:45:13,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:45:13,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:45:13,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:45:13,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:45:13,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:45:14,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:45:14,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:45:14,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:45:14,154 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:45:14,155 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:45:14,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2023-04-01 11:45:15,294 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:45:15,546 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:45:15,552 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product38.cil.c [2023-04-01 11:45:15,567 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33f275a8/da0d4afc6cac41b2896c2af8ac7833a3/FLAG81e168dc1 [2023-04-01 11:45:15,579 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33f275a8/da0d4afc6cac41b2896c2af8ac7833a3 [2023-04-01 11:45:15,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:45:15,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:45:15,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:45:15,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:45:15,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:45:15,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:45:15" (1/1) ... [2023-04-01 11:45:15,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a101c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:15, skipping insertion in model container [2023-04-01 11:45:15,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:45:15" (1/1) ... [2023-04-01 11:45:15,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:45:15,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:45:15,819 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_spec0_product38.cil.c[9373,9386] [2023-04-01 11:45:16,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:45:16,051 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:45:16,084 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_spec0_product38.cil.c[9373,9386] [2023-04-01 11:45:16,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:45:16,168 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:45:16,173 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:45:16,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16 WrapperNode [2023-04-01 11:45:16,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:45:16,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:45:16,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:45:16,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:45:16,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:45:16,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:45:16,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:45:16,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:45:16,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (1/1) ... [2023-04-01 11:45:16,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:45:16,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:45:16,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 11:45:16,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 11:45:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:45:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:45:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:45:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:45:16,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:45:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:45:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:45:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:45:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:45:16,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:45:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:45:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:45:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:45:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:45:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:45:16,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:45:16,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:45:16,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:45:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:45:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:45:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:45:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:45:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:45:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:45:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:45:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:45:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 11:45:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:45:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:45:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:45:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:45:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:45:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:45:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:45:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:45:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:45:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:45:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:45:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:45:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:45:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:45:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:45:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:45:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:45:16,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:45:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:45:16,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:45:16,442 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:45:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:45:16,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:45:16,715 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:45:16,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:45:17,617 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:45:18,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:45:18,194 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:45:18,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:45:18 BoogieIcfgContainer [2023-04-01 11:45:18,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:45:18,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:45:18,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:45:18,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:45:18,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:45:15" (1/3) ... [2023-04-01 11:45:18,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218bf8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:45:18, skipping insertion in model container [2023-04-01 11:45:18,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:45:16" (2/3) ... [2023-04-01 11:45:18,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218bf8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:45:18, skipping insertion in model container [2023-04-01 11:45:18,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:45:18" (3/3) ... [2023-04-01 11:45:18,207 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product38.cil.c [2023-04-01 11:45:18,222 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:45:18,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:45:18,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:45:18,288 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;@7f8d5cf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:45:18,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:45:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 333 states, 165 states have (on average 1.1939393939393939) internal successors, (197), 171 states have internal predecessors, (197), 98 states have call successors, (98), 64 states have call predecessors, (98), 64 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-01 11:45:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-04-01 11:45:18,317 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:45:18,318 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] [2023-04-01 11:45:18,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:45:18,323 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:45:18,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1310750813, now seen corresponding path program 1 times [2023-04-01 11:45:18,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:45:18,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700119072] [2023-04-01 11:45:18,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:45:18,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:45:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:45:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:45:18,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:45:18,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700119072] [2023-04-01 11:45:18,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700119072] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:45:18,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:45:18,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:45:18,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430466095] [2023-04-01 11:45:18,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:45:18,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:45:18,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:45:18,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:45:18,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:45:18,795 INFO L87 Difference]: Start difference. First operand has 333 states, 165 states have (on average 1.1939393939393939) internal successors, (197), 171 states have internal predecessors, (197), 98 states have call successors, (98), 64 states have call predecessors, (98), 64 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:45:18,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:45:18,891 INFO L93 Difference]: Finished difference Result 448 states and 532 transitions. [2023-04-01 11:45:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:45:18,893 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 132 [2023-04-01 11:45:18,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:45:18,902 INFO L225 Difference]: With dead ends: 448 [2023-04-01 11:45:18,902 INFO L226 Difference]: Without dead ends: 306 [2023-04-01 11:45:18,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:45:18,907 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:45:18,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:45:18,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2023-04-01 11:45:18,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2023-04-01 11:45:18,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 152 states have (on average 1.1776315789473684) internal successors, (179), 155 states have internal predecessors, (179), 93 states have call successors, (93), 64 states have call predecessors, (93), 60 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2023-04-01 11:45:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 360 transitions. [2023-04-01 11:45:18,956 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 360 transitions. Word has length 132 [2023-04-01 11:45:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:45:18,957 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 360 transitions. [2023-04-01 11:45:18,958 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:45:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 360 transitions. [2023-04-01 11:45:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-04-01 11:45:18,960 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:45:18,960 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] [2023-04-01 11:45:18,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:45:18,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:45:18,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:45:18,961 INFO L85 PathProgramCache]: Analyzing trace with hash -183229749, now seen corresponding path program 1 times [2023-04-01 11:45:18,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:45:18,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71157052] [2023-04-01 11:45:18,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:45:18,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:45:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:45:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:45:19,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:45:19,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71157052] [2023-04-01 11:45:19,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71157052] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:45:19,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:45:19,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:45:19,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180026834] [2023-04-01 11:45:19,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:45:19,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:45:19,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:45:19,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:45:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:45:19,123 INFO L87 Difference]: Start difference. First operand 306 states and 360 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:45:19,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:45:19,193 INFO L93 Difference]: Finished difference Result 433 states and 500 transitions. [2023-04-01 11:45:19,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:45:19,193 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 133 [2023-04-01 11:45:19,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:45:19,195 INFO L225 Difference]: With dead ends: 433 [2023-04-01 11:45:19,196 INFO L226 Difference]: Without dead ends: 308 [2023-04-01 11:45:19,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:45:19,197 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:45:19,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 648 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:45:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-04-01 11:45:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2023-04-01 11:45:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 154 states have (on average 1.1753246753246753) internal successors, (181), 157 states have internal predecessors, (181), 93 states have call successors, (93), 64 states have call predecessors, (93), 60 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2023-04-01 11:45:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 362 transitions. [2023-04-01 11:45:19,212 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 362 transitions. Word has length 133 [2023-04-01 11:45:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:45:19,213 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 362 transitions. [2023-04-01 11:45:19,213 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:45:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 362 transitions. [2023-04-01 11:45:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-04-01 11:45:19,214 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:45:19,214 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, 1, 1, 1, 1, 1, 1] [2023-04-01 11:45:19,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:45:19,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:45:19,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:45:19,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1422151210, now seen corresponding path program 1 times [2023-04-01 11:45:19,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:45:19,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35297814] [2023-04-01 11:45:19,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:45:19,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:45:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:45:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:45:19,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:45:19,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35297814] [2023-04-01 11:45:19,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35297814] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:45:19,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:45:19,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:45:19,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250566296] [2023-04-01 11:45:19,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:45:19,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:45:19,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:45:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:45:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:45:19,437 INFO L87 Difference]: Start difference. First operand 308 states and 362 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:45:19,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:45:19,511 INFO L93 Difference]: Finished difference Result 600 states and 734 transitions. [2023-04-01 11:45:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:45:19,511 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 138 [2023-04-01 11:45:19,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:45:19,514 INFO L225 Difference]: With dead ends: 600 [2023-04-01 11:45:19,514 INFO L226 Difference]: Without dead ends: 350 [2023-04-01 11:45:19,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:45:19,517 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 53 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:45:19,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 648 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:45:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-04-01 11:45:19,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 349. [2023-04-01 11:45:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 186 states have (on average 1.2580645161290323) internal successors, (234), 189 states have internal predecessors, (234), 102 states have call successors, (102), 64 states have call predecessors, (102), 60 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-01 11:45:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 433 transitions. [2023-04-01 11:45:19,552 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 433 transitions. Word has length 138 [2023-04-01 11:45:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:45:19,552 INFO L495 AbstractCegarLoop]: Abstraction has 349 states and 433 transitions. [2023-04-01 11:45:19,552 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, (40), 2 states have call predecessors, (40), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-04-01 11:45:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 433 transitions. [2023-04-01 11:45:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-04-01 11:45:19,554 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:45:19,554 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:45:19,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:45:19,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:45:19,555 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:45:19,555 INFO L85 PathProgramCache]: Analyzing trace with hash 94817885, now seen corresponding path program 1 times [2023-04-01 11:45:19,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:45:19,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516128988] [2023-04-01 11:45:19,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:45:19,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:45:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:45:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:45:19,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:45:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516128988] [2023-04-01 11:45:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516128988] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:45:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560630761] [2023-04-01 11:45:19,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:45:19,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:45:19,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:45:19,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 11:45:19,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 11:45:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:45:20,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:45:20,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:45:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:45:20,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:45:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-01 11:45:20,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560630761] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:45:20,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [452401848] [2023-04-01 11:45:20,619 INFO L159 IcfgInterpreter]: Started Sifa with 126 locations of interest [2023-04-01 11:45:20,619 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:45:20,622 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:45:20,627 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:45:20,627 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:45:34,422 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 11:45:34,910 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 584 for LOIs [2023-04-01 11:45:48,111 WARN L223 SmtUtils]: Spent 10.98s on a formula simplification. DAG size of input: 584 DAG size of output: 584 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:45:58,783 WARN L223 SmtUtils]: Spent 10.67s on a formula simplification. DAG size of input: 584 DAG size of output: 584 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:46:09,429 WARN L223 SmtUtils]: Spent 10.63s on a formula simplification. DAG size of input: 584 DAG size of output: 584 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:46:19,849 WARN L223 SmtUtils]: Spent 10.41s on a formula simplification. DAG size of input: 584 DAG size of output: 584 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)