/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_spec7_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:56:25,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:56:25,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:56:25,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:56:25,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:56:25,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:56:25,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:56:25,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:56:25,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:56:25,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:56:25,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:56:25,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:56:25,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:56:25,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:56:25,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:56:25,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:56:25,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:56:25,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:56:25,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:56:25,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:56:25,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:56:25,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:56:25,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:56:25,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:56:25,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:56:25,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:56:25,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:56:25,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:56:25,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:56:25,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:56:25,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:56:25,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:56:25,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:56:25,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:56:25,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:56:25,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:56:25,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:56:25,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:56:25,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:56:25,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:56:25,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:56:25,146 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 11:56:25,181 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:56:25,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:56:25,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:56:25,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:56:25,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:56:25,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:56:25,183 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:56:25,184 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:56:25,184 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:56:25,184 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:56:25,185 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:56:25,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:56:25,185 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:56:25,185 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:56:25,185 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:56:25,185 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:56:25,185 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:56:25,186 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:56:25,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:56:25,186 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:56:25,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:56:25,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:56:25,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:56:25,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:56:25,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:56:25,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:56:25,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:56:25,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:56:25,188 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:56:25,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:56:25,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:56:25,189 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:56:25,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:56:25,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:56:25,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:56:25,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:56:25,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:56:25,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:56:25,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:56:25,423 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:56:25,424 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:56:25,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product34.cil.c [2023-04-01 11:56:26,603 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:56:26,866 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:56:26,867 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c [2023-04-01 11:56:26,896 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf31ba03/6efeba2f35e441ddaa334258535dd963/FLAGd059eed16 [2023-04-01 11:56:26,912 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acf31ba03/6efeba2f35e441ddaa334258535dd963 [2023-04-01 11:56:26,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:56:26,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:56:26,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:56:26,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:56:26,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:56:26,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:56:26" (1/1) ... [2023-04-01 11:56:26,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d02b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:26, skipping insertion in model container [2023-04-01 11:56:26,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:56:26" (1/1) ... [2023-04-01 11:56:26,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:56:26,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:56:27,222 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c[10988,11001] [2023-04-01 11:56:27,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:56:27,490 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:56:27,530 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product34.cil.c[10988,11001] [2023-04-01 11:56:27,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:56:27,651 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:56:27,656 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:56:27,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27 WrapperNode [2023-04-01 11:56:27,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:56:27,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:56:27,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:56:27,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:56:27,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:56:27,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:56:27,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:56:27,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:56:27,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (1/1) ... [2023-04-01 11:56:27,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:56:27,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:56:27,856 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 11:56:27,898 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 11:56:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:56:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:56:27,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 11:56:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:56:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-01 11:56:27,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:56:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-01 11:56:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-01 11:56:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-01 11:56:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-01 11:56:27,927 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-01 11:56:27,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 11:56:27,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 11:56:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-01 11:56:27,930 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-01 11:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-01 11:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-01 11:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-01 11:56:27,931 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-01 11:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-01 11:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-01 11:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-01 11:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-01 11:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-01 11:56:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-01 11:56:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-01 11:56:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-01 11:56:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-01 11:56:27,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-01 11:56:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-01 11:56:27,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-01 11:56:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-01 11:56:27,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-01 11:56:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-01 11:56:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-01 11:56:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-01 11:56:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-01 11:56:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-01 11:56:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-01 11:56:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-01 11:56:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-01 11:56:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-01 11:56:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-01 11:56:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-01 11:56:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-01 11:56:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-01 11:56:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-01 11:56:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-01 11:56:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-01 11:56:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-01 11:56:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-01 11:56:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 11:56:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:56:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:56:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:56:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:56:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 11:56:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-01 11:56:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-01 11:56:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-01 11:56:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-01 11:56:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 11:56:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-01 11:56:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-01 11:56:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-01 11:56:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-01 11:56:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-01 11:56:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-01 11:56:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-01 11:56:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:56:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:56:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:56:28,335 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:56:28,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:56:29,416 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:56:30,271 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:56:30,272 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-01 11:56:30,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:56:30 BoogieIcfgContainer [2023-04-01 11:56:30,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:56:30,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:56:30,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:56:30,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:56:30,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:56:26" (1/3) ... [2023-04-01 11:56:30,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15038567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:56:30, skipping insertion in model container [2023-04-01 11:56:30,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:56:27" (2/3) ... [2023-04-01 11:56:30,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15038567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:56:30, skipping insertion in model container [2023-04-01 11:56:30,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:56:30" (3/3) ... [2023-04-01 11:56:30,288 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product34.cil.c [2023-04-01 11:56:30,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:56:30,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:56:30,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:56:30,386 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;@577dc872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:56:30,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:56:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 451 states, 224 states have (on average 1.1875) internal successors, (266), 234 states have internal predecessors, (266), 134 states have call successors, (134), 87 states have call predecessors, (134), 87 states have return successors, (134), 133 states have call predecessors, (134), 134 states have call successors, (134) [2023-04-01 11:56:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-01 11:56:30,424 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:30,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:56:30,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:30,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:30,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2087917857, now seen corresponding path program 1 times [2023-04-01 11:56:30,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:30,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337388610] [2023-04-01 11:56:30,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:31,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:31,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337388610] [2023-04-01 11:56:31,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337388610] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:31,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:31,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 11:56:31,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488223781] [2023-04-01 11:56:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:31,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 11:56:31,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:31,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 11:56:31,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 11:56:31,079 INFO L87 Difference]: Start difference. First operand has 451 states, 224 states have (on average 1.1875) internal successors, (266), 234 states have internal predecessors, (266), 134 states have call successors, (134), 87 states have call predecessors, (134), 87 states have return successors, (134), 133 states have call predecessors, (134), 134 states have call successors, (134) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:56:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:31,258 INFO L93 Difference]: Finished difference Result 684 states and 817 transitions. [2023-04-01 11:56:31,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 11:56:31,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 152 [2023-04-01 11:56:31,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:31,287 INFO L225 Difference]: With dead ends: 684 [2023-04-01 11:56:31,287 INFO L226 Difference]: Without dead ends: 424 [2023-04-01 11:56:31,295 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 11:56:31,301 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:31,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 459 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:31,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-04-01 11:56:31,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2023-04-01 11:56:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 211 states have (on average 1.1753554502369667) internal successors, (248), 218 states have internal predecessors, (248), 129 states have call successors, (129), 87 states have call predecessors, (129), 83 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2023-04-01 11:56:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 501 transitions. [2023-04-01 11:56:31,410 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 501 transitions. Word has length 152 [2023-04-01 11:56:31,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:31,413 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 501 transitions. [2023-04-01 11:56:31,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:56:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 501 transitions. [2023-04-01 11:56:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-04-01 11:56:31,424 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:31,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:56:31,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:56:31,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:31,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:31,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2096929793, now seen corresponding path program 1 times [2023-04-01 11:56:31,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:31,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787537704] [2023-04-01 11:56:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:31,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:31,846 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:31,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787537704] [2023-04-01 11:56:31,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787537704] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:31,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:31,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:56:31,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970436705] [2023-04-01 11:56:31,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:31,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:56:31,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:31,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:56:31,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:56:31,851 INFO L87 Difference]: Start difference. First operand 424 states and 501 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:56:31,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:31,985 INFO L93 Difference]: Finished difference Result 669 states and 782 transitions. [2023-04-01 11:56:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:56:31,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 153 [2023-04-01 11:56:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:31,989 INFO L225 Difference]: With dead ends: 669 [2023-04-01 11:56:31,989 INFO L226 Difference]: Without dead ends: 426 [2023-04-01 11:56:31,991 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 11:56:31,992 INFO L413 NwaCegarLoop]: 450 mSDtfsCounter, 0 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:31,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 898 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2023-04-01 11:56:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2023-04-01 11:56:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 213 states have (on average 1.1737089201877935) internal successors, (250), 220 states have internal predecessors, (250), 129 states have call successors, (129), 87 states have call predecessors, (129), 83 states have return successors, (124), 123 states have call predecessors, (124), 124 states have call successors, (124) [2023-04-01 11:56:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 503 transitions. [2023-04-01 11:56:32,011 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 503 transitions. Word has length 153 [2023-04-01 11:56:32,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:32,012 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 503 transitions. [2023-04-01 11:56:32,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:56:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 503 transitions. [2023-04-01 11:56:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-01 11:56:32,015 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:32,015 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] [2023-04-01 11:56:32,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 11:56:32,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:32,016 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash 196712012, now seen corresponding path program 1 times [2023-04-01 11:56:32,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:32,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579712181] [2023-04-01 11:56:32,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:32,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:32,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:32,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579712181] [2023-04-01 11:56:32,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579712181] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:56:32,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:56:32,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 11:56:32,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484695696] [2023-04-01 11:56:32,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:56:32,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 11:56:32,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:56:32,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 11:56:32,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 11:56:32,190 INFO L87 Difference]: Start difference. First operand 426 states and 503 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:56:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:56:32,294 INFO L93 Difference]: Finished difference Result 836 states and 1016 transitions. [2023-04-01 11:56:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 11:56:32,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 158 [2023-04-01 11:56:32,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:56:32,297 INFO L225 Difference]: With dead ends: 836 [2023-04-01 11:56:32,297 INFO L226 Difference]: Without dead ends: 468 [2023-04-01 11:56:32,299 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 11:56:32,300 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 53 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 11:56:32,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 896 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 11:56:32,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2023-04-01 11:56:32,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 467. [2023-04-01 11:56:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 245 states have (on average 1.236734693877551) internal successors, (303), 252 states have internal predecessors, (303), 138 states have call successors, (138), 87 states have call predecessors, (138), 83 states have return successors, (133), 132 states have call predecessors, (133), 133 states have call successors, (133) [2023-04-01 11:56:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 574 transitions. [2023-04-01 11:56:32,319 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 574 transitions. Word has length 158 [2023-04-01 11:56:32,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:56:32,319 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 574 transitions. [2023-04-01 11:56:32,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-04-01 11:56:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 574 transitions. [2023-04-01 11:56:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-01 11:56:32,323 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:56:32,323 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:56:32,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 11:56:32,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:56:32,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:56:32,324 INFO L85 PathProgramCache]: Analyzing trace with hash 783028650, now seen corresponding path program 1 times [2023-04-01 11:56:32,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:56:32,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295980888] [2023-04-01 11:56:32,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:32,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:56:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:32,590 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:56:32,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295980888] [2023-04-01 11:56:32,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295980888] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 11:56:32,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62004931] [2023-04-01 11:56:32,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:56:32,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 11:56:32,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:56:32,597 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 11:56:32,619 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 11:56:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:56:33,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 2598 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 11:56:33,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 11:56:33,384 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:33,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 11:56:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-01 11:56:33,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62004931] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 11:56:33,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [98754819] [2023-04-01 11:56:33,661 INFO L159 IcfgInterpreter]: Started Sifa with 144 locations of interest [2023-04-01 11:56:33,661 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 11:56:33,666 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 11:56:33,671 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 11:56:33,671 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 11:56:49,512 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 337 for LOIs [2023-04-01 11:56:50,090 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 623 for LOIs [2023-04-01 11:57:05,261 WARN L223 SmtUtils]: Spent 12.75s on a formula simplification. DAG size of input: 623 DAG size of output: 623 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:17,732 WARN L223 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 623 DAG size of output: 623 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 11:57:30,145 WARN L223 SmtUtils]: Spent 12.41s on a formula simplification. DAG size of input: 623 DAG size of output: 623 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)