/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:51:04,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:51:04,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:51:04,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:51:04,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:51:04,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:51:04,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:51:04,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:51:04,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:51:04,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:51:04,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:51:04,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:51:04,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:51:04,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:51:04,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:51:04,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:51:04,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:51:04,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:51:04,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:51:04,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:51:04,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:51:04,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:51:04,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:51:04,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:51:04,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:51:04,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:51:04,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:51:04,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:51:04,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:51:04,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:51:04,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:51:04,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:51:04,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:51:04,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:51:04,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:51:04,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:51:04,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:51:04,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:51:04,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:51:04,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:51:04,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:51:04,141 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 [2023-03-31 23:51:04,160 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:51:04,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:51:04,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:51:04,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:51:04,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:51:04,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:51:04,162 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:51:04,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:51:04,162 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:51:04,162 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:51:04,162 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:51:04,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:51:04,163 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:51:04,163 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:51:04,163 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:51:04,163 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:51:04,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:51:04,163 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:51:04,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:51:04,164 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:51:04,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:51:04,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:51:04,165 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:51:04,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:51:04,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:51:04,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:51:04,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:51:04,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:51:04,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:51:04,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:51:04,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:51:04,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:51:04,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:51:04,415 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:51:04,416 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:51:04,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2023-03-31 23:51:05,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:51:05,851 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:51:05,852 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product30.cil.c [2023-03-31 23:51:05,870 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6845ea/1a83fecccb744a088230e92a2f8f9540/FLAG00ba5d200 [2023-03-31 23:51:05,883 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ce6845ea/1a83fecccb744a088230e92a2f8f9540 [2023-03-31 23:51:05,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:51:05,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:51:05,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:51:05,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:51:05,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:51:05,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:51:05" (1/1) ... [2023-03-31 23:51:05,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c814125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:05, skipping insertion in model container [2023-03-31 23:51:05,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:51:05" (1/1) ... [2023-03-31 23:51:05,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:51:05,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:51:06,371 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_spec9_product30.cil.c[41508,41521] [2023-03-31 23:51:06,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:51:06,469 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:51:06,584 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_spec9_product30.cil.c[41508,41521] [2023-03-31 23:51:06,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:51:06,635 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 23:51:06,641 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:51:06,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06 WrapperNode [2023-03-31 23:51:06,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:51:06,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:51:06,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:51:06,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:51:06,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:51:06,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:51:06,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:51:06,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:51:06,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (1/1) ... [2023-03-31 23:51:06,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:51:06,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:51:06,801 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) [2023-03-31 23:51:06,817 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 [2023-03-31 23:51:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:51:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:51:06,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:51:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:51:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 23:51:06,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 23:51:06,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 23:51:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 23:51:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 23:51:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 23:51:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 23:51:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-03-31 23:51:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 23:51:06,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 23:51:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 23:51:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 23:51:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 23:51:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 23:51:06,869 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 23:51:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 23:51:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 23:51:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 23:51:06,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 23:51:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 23:51:06,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 23:51:06,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 23:51:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 23:51:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 23:51:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 23:51:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 23:51:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:51:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:51:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:51:06,875 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 23:51:06,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 23:51:06,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:51:06,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:51:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:51:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:51:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:51:06,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:51:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:51:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:51:06,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:51:06,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:51:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:51:06,883 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:51:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 23:51:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 23:51:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 23:51:06,888 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 23:51:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 23:51:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 23:51:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 23:51:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 23:51:06,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 23:51:06,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 23:51:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 23:51:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 23:51:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 23:51:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 23:51:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 23:51:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 23:51:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 23:51:06,894 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 23:51:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 23:51:06,895 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 23:51:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 23:51:06,896 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 23:51:06,897 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 23:51:06,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 23:51:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:51:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:51:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:51:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:51:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:51:07,225 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:51:07,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:51:08,276 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:51:08,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:51:08,951 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 23:51:08,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:51:08 BoogieIcfgContainer [2023-03-31 23:51:08,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:51:08,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:51:08,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:51:08,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:51:08,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:51:05" (1/3) ... [2023-03-31 23:51:08,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4140458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:51:08, skipping insertion in model container [2023-03-31 23:51:08,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:51:06" (2/3) ... [2023-03-31 23:51:08,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4140458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:51:08, skipping insertion in model container [2023-03-31 23:51:08,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:51:08" (3/3) ... [2023-03-31 23:51:08,963 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2023-03-31 23:51:08,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:51:08,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:51:09,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:51:09,053 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;@2301f4e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:51:09,053 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:51:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 402 states, 203 states have (on average 1.2019704433497538) internal successors, (244), 212 states have internal predecessors, (244), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2023-03-31 23:51:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-03-31 23:51:09,087 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:51:09,088 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:51:09,089 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:51:09,095 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:51:09,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1384119715, now seen corresponding path program 1 times [2023-03-31 23:51:09,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:51:09,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353330942] [2023-03-31 23:51:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:09,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:51:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:09,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:51:09,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353330942] [2023-03-31 23:51:09,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353330942] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:51:09,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:51:09,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:51:09,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019022164] [2023-03-31 23:51:09,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:51:09,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:51:09,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:51:09,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:51:09,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:51:09,654 INFO L87 Difference]: Start difference. First operand has 402 states, 203 states have (on average 1.2019704433497538) internal successors, (244), 212 states have internal predecessors, (244), 115 states have call successors, (115), 75 states have call predecessors, (115), 75 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:09,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:51:09,891 INFO L93 Difference]: Finished difference Result 570 states and 674 transitions. [2023-03-31 23:51:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:51:09,896 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 125 [2023-03-31 23:51:09,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:51:09,907 INFO L225 Difference]: With dead ends: 570 [2023-03-31 23:51:09,907 INFO L226 Difference]: Without dead ends: 360 [2023-03-31 23:51:09,911 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 [2023-03-31 23:51:09,914 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:51:09,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 394 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:51:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-03-31 23:51:09,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-03-31 23:51:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 185 states have (on average 1.2) internal successors, (222), 191 states have internal predecessors, (222), 104 states have call successors, (104), 74 states have call predecessors, (104), 70 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-03-31 23:51:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2023-03-31 23:51:10,000 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 125 [2023-03-31 23:51:10,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:51:10,001 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2023-03-31 23:51:10,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:10,002 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2023-03-31 23:51:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-03-31 23:51:10,004 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:51:10,005 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:51:10,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:51:10,005 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:51:10,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:51:10,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1564224493, now seen corresponding path program 1 times [2023-03-31 23:51:10,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:51:10,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792309190] [2023-03-31 23:51:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:51:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:10,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:51:10,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792309190] [2023-03-31 23:51:10,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792309190] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:51:10,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:51:10,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:51:10,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694431166] [2023-03-31 23:51:10,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:51:10,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:51:10,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:51:10,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:51:10,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:51:10,316 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:10,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:51:10,416 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2023-03-31 23:51:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:51:10,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 126 [2023-03-31 23:51:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:51:10,420 INFO L225 Difference]: With dead ends: 555 [2023-03-31 23:51:10,420 INFO L226 Difference]: Without dead ends: 362 [2023-03-31 23:51:10,421 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 [2023-03-31 23:51:10,422 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:51:10,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 768 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:51:10,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-03-31 23:51:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-03-31 23:51:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 193 states have internal predecessors, (224), 104 states have call successors, (104), 74 states have call predecessors, (104), 70 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2023-03-31 23:51:10,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2023-03-31 23:51:10,440 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 126 [2023-03-31 23:51:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:51:10,441 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2023-03-31 23:51:10,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2023-03-31 23:51:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-03-31 23:51:10,443 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:51:10,443 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:51:10,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:51:10,444 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:51:10,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:51:10,444 INFO L85 PathProgramCache]: Analyzing trace with hash -901385513, now seen corresponding path program 1 times [2023-03-31 23:51:10,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:51:10,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846770557] [2023-03-31 23:51:10,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:10,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:51:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:10,579 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:10,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:51:10,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846770557] [2023-03-31 23:51:10,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846770557] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:51:10,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:51:10,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:51:10,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228076225] [2023-03-31 23:51:10,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:51:10,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:51:10,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:51:10,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:51:10,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:51:10,582 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:10,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:51:10,686 INFO L93 Difference]: Finished difference Result 706 states and 861 transitions. [2023-03-31 23:51:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:51:10,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 135 [2023-03-31 23:51:10,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:51:10,689 INFO L225 Difference]: With dead ends: 706 [2023-03-31 23:51:10,689 INFO L226 Difference]: Without dead ends: 402 [2023-03-31 23:51:10,691 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 [2023-03-31 23:51:10,692 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 52 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:51:10,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 766 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:51:10,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-03-31 23:51:10,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2023-03-31 23:51:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 218 states have (on average 1.2660550458715596) internal successors, (276), 224 states have internal predecessors, (276), 112 states have call successors, (112), 74 states have call predecessors, (112), 70 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 23:51:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2023-03-31 23:51:10,709 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 135 [2023-03-31 23:51:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:51:10,709 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2023-03-31 23:51:10,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2023-03-31 23:51:10,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-03-31 23:51:10,712 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:51:10,712 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:51:10,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:51:10,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:51:10,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:51:10,713 INFO L85 PathProgramCache]: Analyzing trace with hash -501467319, now seen corresponding path program 1 times [2023-03-31 23:51:10,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:51:10,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597222689] [2023-03-31 23:51:10,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:10,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:51:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:10,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:51:10,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597222689] [2023-03-31 23:51:10,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597222689] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:51:10,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:51:10,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:51:10,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991547647] [2023-03-31 23:51:10,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:51:10,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:51:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:51:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:51:10,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:51:10,876 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:10,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:51:10,982 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2023-03-31 23:51:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:51:10,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 136 [2023-03-31 23:51:10,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:51:10,988 INFO L225 Difference]: With dead ends: 820 [2023-03-31 23:51:10,988 INFO L226 Difference]: Without dead ends: 477 [2023-03-31 23:51:10,989 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 [2023-03-31 23:51:10,996 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 50 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:51:10,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 766 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:51:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-03-31 23:51:11,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2023-03-31 23:51:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 278 states have (on average 1.3525179856115108) internal successors, (376), 284 states have internal predecessors, (376), 127 states have call successors, (127), 74 states have call predecessors, (127), 70 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-03-31 23:51:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2023-03-31 23:51:11,027 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 136 [2023-03-31 23:51:11,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:51:11,028 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2023-03-31 23:51:11,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2023-03-31 23:51:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-03-31 23:51:11,033 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:51:11,033 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:51:11,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:51:11,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:51:11,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:51:11,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1525274953, now seen corresponding path program 1 times [2023-03-31 23:51:11,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:51:11,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193786028] [2023-03-31 23:51:11,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:11,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:51:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:11,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:51:11,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193786028] [2023-03-31 23:51:11,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193786028] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:51:11,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:51:11,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:51:11,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815397750] [2023-03-31 23:51:11,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:51:11,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:51:11,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:51:11,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:51:11,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:51:11,211 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:11,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:51:11,306 INFO L93 Difference]: Finished difference Result 1039 states and 1440 transitions. [2023-03-31 23:51:11,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:51:11,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 137 [2023-03-31 23:51:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:51:11,310 INFO L225 Difference]: With dead ends: 1039 [2023-03-31 23:51:11,310 INFO L226 Difference]: Without dead ends: 621 [2023-03-31 23:51:11,312 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 [2023-03-31 23:51:11,315 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 48 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:51:11,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 764 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:51:11,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2023-03-31 23:51:11,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 620. [2023-03-31 23:51:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 394 states have (on average 1.4416243654822336) internal successors, (568), 400 states have internal predecessors, (568), 155 states have call successors, (155), 74 states have call predecessors, (155), 70 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2023-03-31 23:51:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 873 transitions. [2023-03-31 23:51:11,346 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 873 transitions. Word has length 137 [2023-03-31 23:51:11,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:51:11,347 INFO L495 AbstractCegarLoop]: Abstraction has 620 states and 873 transitions. [2023-03-31 23:51:11,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 23:51:11,347 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 873 transitions. [2023-03-31 23:51:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-03-31 23:51:11,350 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:51:11,350 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:51:11,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:51:11,351 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:51:11,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:51:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash -157595730, now seen corresponding path program 1 times [2023-03-31 23:51:11,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:51:11,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655967852] [2023-03-31 23:51:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:11,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:51:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:11,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:51:11,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655967852] [2023-03-31 23:51:11,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655967852] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:51:11,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563555724] [2023-03-31 23:51:11,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:51:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:51:11,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:51:11,560 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) [2023-03-31 23:51:11,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:51:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:51:12,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 23:51:12,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:51:12,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:12,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:51:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 23:51:12,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563555724] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:51:12,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [663473101] [2023-03-31 23:51:12,482 INFO L159 IcfgInterpreter]: Started Sifa with 128 locations of interest [2023-03-31 23:51:12,482 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:51:12,485 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:51:12,488 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:51:12,489 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:51:16,663 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 340 for LOIs [2023-03-31 23:51:17,224 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 321 for LOIs [2023-03-31 23:51:22,561 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 249 for LOIs [2023-03-31 23:51:25,016 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh with input of size 240 for LOIs [2023-03-31 23:51:26,535 INFO L197 IcfgInterpreter]: Interpreting procedure setup_rjh__wrappee__Base with input of size 231 for LOIs [2023-03-31 23:51:27,318 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck with input of size 241 for LOIs [2023-03-31 23:51:28,802 INFO L197 IcfgInterpreter]: Interpreting procedure setup_chuck__wrappee__Base with input of size 232 for LOIs [2023-03-31 23:51:29,639 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob with input of size 245 for LOIs [2023-03-31 23:51:31,293 INFO L197 IcfgInterpreter]: Interpreting procedure setup_bob__wrappee__Base with input of size 239 for LOIs [2023-03-31 23:51:32,382 INFO L197 IcfgInterpreter]: Interpreting procedure setClientId with input of size 229 for LOIs [2023-03-31 23:51:32,507 INFO L197 IcfgInterpreter]: Interpreting procedure setClientPrivateKey with input of size 231 for LOIs [2023-03-31 23:51:32,629 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 231 for LOIs [2023-03-31 23:51:32,694 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 302 for LOIs [2023-03-31 23:51:38,463 INFO L197 IcfgInterpreter]: Interpreting procedure rjhSetAutoRespond with input of size 234 for LOIs [2023-03-31 23:51:39,255 INFO L197 IcfgInterpreter]: Interpreting procedure setClientAutoResponse with input of size 238 for LOIs [2023-03-31 23:51:39,366 INFO L197 IcfgInterpreter]: Interpreting procedure bobToRjh with input of size 251 for LOIs [2023-03-31 23:51:39,657 INFO L197 IcfgInterpreter]: Interpreting procedure sendEmail with input of size 255 for LOIs [2023-03-31 23:51:40,988 INFO L197 IcfgInterpreter]: Interpreting procedure createEmail with input of size 227 for LOIs [2023-03-31 23:51:42,516 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailTo with input of size 221 for LOIs [2023-03-31 23:51:42,651 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 231 for LOIs [2023-03-31 23:51:42,740 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 231 for LOIs [2023-03-31 23:51:42,823 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing with input of size 251 for LOIs [2023-03-31 23:51:43,926 INFO L197 IcfgInterpreter]: Interpreting procedure sign with input of size 219 for LOIs [2023-03-31 23:51:44,753 INFO L197 IcfgInterpreter]: Interpreting procedure getClientPrivateKey with input of size 209 for LOIs [2023-03-31 23:51:44,861 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__AutoResponder with input of size 235 for LOIs [2023-03-31 23:51:46,792 INFO L197 IcfgInterpreter]: Interpreting procedure findPublicKey with input of size 207 for LOIs [2023-03-31 23:51:46,952 INFO L197 IcfgInterpreter]: Interpreting procedure getEmailTo with input of size 201 for LOIs [2023-03-31 23:51:47,048 INFO L197 IcfgInterpreter]: Interpreting procedure outgoing__wrappee__Keys with input of size 235 for LOIs [2023-03-31 23:51:48,538 INFO L197 IcfgInterpreter]: Interpreting procedure setEmailFrom with input of size 230 for LOIs [2023-03-31 23:51:48,899 INFO L197 IcfgInterpreter]: Interpreting procedure mail with input of size 235 for LOIs [2023-03-31 23:51:49,093 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__EncryptForward_spec__2 with input of size 207 for LOIs [2023-03-31 23:51:49,167 INFO L197 IcfgInterpreter]: Interpreting procedure getClientId with input of size 201 for LOIs [2023-03-31 23:51:49,270 INFO L180 IcfgInterpreter]: Interpretation finished