/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_spec27_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:19:34,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:19:34,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:19:34,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:19:34,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:19:34,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:19:34,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:19:34,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:19:34,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:19:34,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:19:34,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:19:34,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:19:34,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:19:34,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:19:34,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:19:34,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:19:34,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:19:34,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:19:34,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:19:34,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:19:34,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:19:34,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:19:34,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:19:34,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:19:34,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:19:34,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:19:34,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:19:34,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:19:34,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:19:34,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:19:34,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:19:34,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:19:34,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:19:34,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:19:34,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:19:34,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:19:34,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:19:34,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:19:34,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:19:34,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:19:34,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:19:34,925 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 00:19:34,954 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:19:34,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:19:34,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:19:34,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:19:34,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:19:34,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:19:34,956 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:19:34,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:19:34,956 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:19:34,956 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:19:34,957 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:19:34,957 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:19:34,957 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:19:34,957 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:19:34,957 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:19:34,958 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:19:34,958 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:19:34,958 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:19:34,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:19:34,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:19:34,960 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:19:34,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:19:34,960 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:19:34,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:19:34,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:19:34,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:19:34,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:19:34,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:19:34,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:19:34,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:19:35,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:19:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:19:35,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:19:35,257 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:19:35,258 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:19:35,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2023-04-03 00:19:36,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:19:36,744 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:19:36,744 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2023-04-03 00:19:36,761 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041811aef/201c3a1dc7314434a98a213766bd46a8/FLAG034b44be2 [2023-04-03 00:19:36,773 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041811aef/201c3a1dc7314434a98a213766bd46a8 [2023-04-03 00:19:36,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:19:36,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:19:36,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:19:36,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:19:36,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:19:36,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:19:36" (1/1) ... [2023-04-03 00:19:36,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abefeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:36, skipping insertion in model container [2023-04-03 00:19:36,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:19:36" (1/1) ... [2023-04-03 00:19:36,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:19:36,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:19:37,304 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_spec27_product28.cil.c[32786,32799] [2023-04-03 00:19:37,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:19:37,401 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:19:37,456 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_spec27_product28.cil.c[32786,32799] [2023-04-03 00:19:37,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:19:37,528 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 00:19:37,534 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:19:37,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37 WrapperNode [2023-04-03 00:19:37,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:19:37,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:19:37,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:19:37,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:19:37,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,653 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:19:37,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:19:37,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:19:37,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:19:37,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (1/1) ... [2023-04-03 00:19:37,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:19:37,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:19:37,719 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 00:19:37,737 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 00:19:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:19:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:19:37,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-03 00:19:37,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-03 00:19:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-03 00:19:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:19:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:19:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-03 00:19:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-03 00:19:37,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-03 00:19:37,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-03 00:19:37,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-03 00:19:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-03 00:19:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-03 00:19:37,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-03 00:19:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-03 00:19:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-03 00:19:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-03 00:19:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-03 00:19:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-03 00:19:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-03 00:19:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-03 00:19:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-03 00:19:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-03 00:19:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-03 00:19:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-03 00:19:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-03 00:19:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-03 00:19:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-03 00:19:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-03 00:19:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-03 00:19:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-03 00:19:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:19:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-03 00:19:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:19:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:19:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:19:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:19:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-03 00:19:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-03 00:19:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-03 00:19:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-03 00:19:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-03 00:19:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-03 00:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-03 00:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-03 00:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-03 00:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-03 00:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-03 00:19:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-03 00:19:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-03 00:19:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:19:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:19:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:19:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:19:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:19:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-03 00:19:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-03 00:19:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-03 00:19:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-03 00:19:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-03 00:19:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-03 00:19:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-03 00:19:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:19:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:19:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-03 00:19:37,792 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-03 00:19:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-03 00:19:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-03 00:19:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:19:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:19:38,087 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:19:38,091 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:19:39,173 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:19:39,921 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:19:39,921 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-03 00:19:39,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:19:39 BoogieIcfgContainer [2023-04-03 00:19:39,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:19:39,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:19:39,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:19:39,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:19:39,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:19:36" (1/3) ... [2023-04-03 00:19:39,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfddcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:19:39, skipping insertion in model container [2023-04-03 00:19:39,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:19:37" (2/3) ... [2023-04-03 00:19:39,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfddcdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:19:39, skipping insertion in model container [2023-04-03 00:19:39,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:19:39" (3/3) ... [2023-04-03 00:19:39,942 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product28.cil.c [2023-04-03 00:19:39,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:19:39,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:19:40,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:19:40,028 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;@a8aed6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:19:40,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:19:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 375 states, 191 states have (on average 1.2094240837696335) internal successors, (231), 199 states have internal predecessors, (231), 107 states have call successors, (107), 68 states have call predecessors, (107), 68 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-04-03 00:19:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-03 00:19:40,053 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:19:40,054 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:19:40,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:19:40,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:19:40,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1826396994, now seen corresponding path program 1 times [2023-04-03 00:19:40,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:19:40,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86741886] [2023-04-03 00:19:40,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:19:40,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:19:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:19:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:19:40,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:19:40,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86741886] [2023-04-03 00:19:40,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86741886] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:19:40,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:19:40,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:19:40,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928933201] [2023-04-03 00:19:40,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:19:40,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:19:40,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:19:40,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:19:40,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:19:40,665 INFO L87 Difference]: Start difference. First operand has 375 states, 191 states have (on average 1.2094240837696335) internal successors, (231), 199 states have internal predecessors, (231), 107 states have call successors, (107), 68 states have call predecessors, (107), 68 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:19:40,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:19:40,793 INFO L93 Difference]: Finished difference Result 527 states and 629 transitions. [2023-04-03 00:19:40,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:19:40,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 165 [2023-04-03 00:19:40,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:19:40,807 INFO L225 Difference]: With dead ends: 527 [2023-04-03 00:19:40,807 INFO L226 Difference]: Without dead ends: 335 [2023-04-03 00:19:40,811 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 00:19:40,814 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:19:40,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 369 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:19:40,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2023-04-03 00:19:40,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2023-04-03 00:19:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 174 states have (on average 1.206896551724138) internal successors, (210), 179 states have internal predecessors, (210), 96 states have call successors, (96), 68 states have call predecessors, (96), 64 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-03 00:19:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 397 transitions. [2023-04-03 00:19:40,886 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 397 transitions. Word has length 165 [2023-04-03 00:19:40,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:19:40,887 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 397 transitions. [2023-04-03 00:19:40,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:19:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 397 transitions. [2023-04-03 00:19:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-04-03 00:19:40,893 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:19:40,893 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:19:40,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:19:40,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:19:40,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:19:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1045163849, now seen corresponding path program 1 times [2023-04-03 00:19:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:19:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116143853] [2023-04-03 00:19:40,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:19:40,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:19:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:19:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:19:41,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:19:41,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116143853] [2023-04-03 00:19:41,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116143853] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:19:41,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:19:41,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:19:41,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469600266] [2023-04-03 00:19:41,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:19:41,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:19:41,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:19:41,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:19:41,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:19:41,247 INFO L87 Difference]: Start difference. First operand 335 states and 397 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:19:41,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:19:41,351 INFO L93 Difference]: Finished difference Result 512 states and 596 transitions. [2023-04-03 00:19:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:19:41,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 166 [2023-04-03 00:19:41,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:19:41,355 INFO L225 Difference]: With dead ends: 512 [2023-04-03 00:19:41,355 INFO L226 Difference]: Without dead ends: 337 [2023-04-03 00:19:41,356 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 00:19:41,357 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 0 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:19:41,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 718 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:19:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-04-03 00:19:41,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2023-04-03 00:19:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 176 states have (on average 1.2045454545454546) internal successors, (212), 181 states have internal predecessors, (212), 96 states have call successors, (96), 68 states have call predecessors, (96), 64 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-03 00:19:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 399 transitions. [2023-04-03 00:19:41,383 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 399 transitions. Word has length 166 [2023-04-03 00:19:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:19:41,383 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 399 transitions. [2023-04-03 00:19:41,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:19:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 399 transitions. [2023-04-03 00:19:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-03 00:19:41,389 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:19:41,389 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:19:41,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:19:41,389 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:19:41,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:19:41,390 INFO L85 PathProgramCache]: Analyzing trace with hash 972974927, now seen corresponding path program 1 times [2023-04-03 00:19:41,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:19:41,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268791813] [2023-04-03 00:19:41,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:19:41,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:19:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:19:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:19:41,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:19:41,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268791813] [2023-04-03 00:19:41,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268791813] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:19:41,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:19:41,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:19:41,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133037753] [2023-04-03 00:19:41,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:19:41,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:19:41,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:19:41,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:19:41,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:19:41,568 INFO L87 Difference]: Start difference. First operand 337 states and 399 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:19:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:19:41,690 INFO L93 Difference]: Finished difference Result 654 states and 802 transitions. [2023-04-03 00:19:41,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:19:41,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 171 [2023-04-03 00:19:41,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:19:41,695 INFO L225 Difference]: With dead ends: 654 [2023-04-03 00:19:41,695 INFO L226 Difference]: Without dead ends: 375 [2023-04-03 00:19:41,696 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 00:19:41,697 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 51 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:19:41,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 720 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:19:41,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2023-04-03 00:19:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 374. [2023-04-03 00:19:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 103 states have call successors, (103), 68 states have call predecessors, (103), 64 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-03 00:19:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 464 transitions. [2023-04-03 00:19:41,735 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 464 transitions. Word has length 171 [2023-04-03 00:19:41,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:19:41,736 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 464 transitions. [2023-04-03 00:19:41,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-04-03 00:19:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 464 transitions. [2023-04-03 00:19:41,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-03 00:19:41,744 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:19:41,745 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:19:41,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:19:41,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:19:41,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:19:41,746 INFO L85 PathProgramCache]: Analyzing trace with hash -623302875, now seen corresponding path program 1 times [2023-04-03 00:19:41,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:19:41,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996820231] [2023-04-03 00:19:41,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:19:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:19:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:19:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:19:42,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:19:42,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996820231] [2023-04-03 00:19:42,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996820231] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 00:19:42,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566514828] [2023-04-03 00:19:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:19:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 00:19:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:19:42,079 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 00:19:42,080 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 00:19:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:19:42,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 00:19:42,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 00:19:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:19:42,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 00:19:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-03 00:19:42,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566514828] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 00:19:42,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1346665916] [2023-04-03 00:19:42,924 INFO L159 IcfgInterpreter]: Started Sifa with 155 locations of interest [2023-04-03 00:19:42,925 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 00:19:42,929 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 00:19:42,933 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 00:19:42,933 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 00:19:48,229 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-03 00:19:48,967 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 305 for LOIs [2023-04-03 00:19:55,045 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 247 for LOIs [2023-04-03 00:19:57,837 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 238 for LOIs [2023-04-03 00:19:59,590 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 229 for LOIs [2023-04-03 00:20:00,377 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 239 for LOIs [2023-04-03 00:20:01,974 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 230 for LOIs [2023-04-03 00:20:02,953 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 243 for LOIs [2023-04-03 00:23:40,429 WARN L223 SmtUtils]: Spent 3.59m 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 00:23:40,586 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 237 for LOIs