./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 04:51:24,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 04:51:24,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 04:51:24,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 04:51:24,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 04:51:24,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 04:51:24,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 04:51:24,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 04:51:24,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 04:51:24,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 04:51:24,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 04:51:24,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 04:51:24,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 04:51:24,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 04:51:24,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 04:51:24,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 04:51:24,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 04:51:24,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 04:51:24,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 04:51:25,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 04:51:25,005 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 04:51:25,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 04:51:25,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 04:51:25,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 04:51:25,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 04:51:25,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 04:51:25,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 04:51:25,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 04:51:25,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 04:51:25,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 04:51:25,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 04:51:25,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 04:51:25,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 04:51:25,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 04:51:25,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 04:51:25,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 04:51:25,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 04:51:25,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 04:51:25,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 04:51:25,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 04:51:25,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 04:51:25,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 04:51:25,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 04:51:25,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 04:51:25,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 04:51:25,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 04:51:25,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 04:51:25,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 04:51:25,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 04:51:25,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 04:51:25,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 04:51:25,050 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 04:51:25,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 04:51:25,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 04:51:25,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 04:51:25,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 04:51:25,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 04:51:25,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 04:51:25,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 04:51:25,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 04:51:25,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 04:51:25,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 04:51:25,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 04:51:25,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 04:51:25,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 04:51:25,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 04:51:25,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 04:51:25,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:51:25,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 04:51:25,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 04:51:25,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 04:51:25,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 04:51:25,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 04:51:25,060 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 04:51:25,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 04:51:25,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 04:51:25,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82e24cc91d79ad041473748268d13bac909e458d30ed1ab080cccaeb5ccb7cec [2022-07-21 04:51:25,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 04:51:25,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 04:51:25,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 04:51:25,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 04:51:25,333 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 04:51:25,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2022-07-21 04:51:25,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779b837db/56e94907344a445e9342837b5071ad98/FLAG524d7774c [2022-07-21 04:51:25,827 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 04:51:25,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product34.cil.c [2022-07-21 04:51:25,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779b837db/56e94907344a445e9342837b5071ad98/FLAG524d7774c [2022-07-21 04:51:25,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/779b837db/56e94907344a445e9342837b5071ad98 [2022-07-21 04:51:25,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 04:51:25,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 04:51:25,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 04:51:25,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 04:51:25,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 04:51:25,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:51:25" (1/1) ... [2022-07-21 04:51:25,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46db9d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:25, skipping insertion in model container [2022-07-21 04:51:25,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:51:25" (1/1) ... [2022-07-21 04:51:25,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 04:51:25,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 04:51:26,027 WARN L230 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_spec4_product34.cil.c[1542,1555] [2022-07-21 04:51:26,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:51:26,298 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 04:51:26,306 WARN L230 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_spec4_product34.cil.c[1542,1555] [2022-07-21 04:51:26,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:51:26,393 INFO L208 MainTranslator]: Completed translation [2022-07-21 04:51:26,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26 WrapperNode [2022-07-21 04:51:26,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 04:51:26,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 04:51:26,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 04:51:26,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 04:51:26,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,471 INFO L137 Inliner]: procedures = 134, calls = 237, calls flagged for inlining = 62, calls inlined = 59, statements flattened = 1096 [2022-07-21 04:51:26,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 04:51:26,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 04:51:26,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 04:51:26,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 04:51:26,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 04:51:26,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 04:51:26,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 04:51:26,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 04:51:26,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (1/1) ... [2022-07-21 04:51:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:51:26,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:26,591 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) [2022-07-21 04:51:26,606 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 [2022-07-21 04:51:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-21 04:51:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-21 04:51:26,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-21 04:51:26,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-21 04:51:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-21 04:51:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-21 04:51:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-21 04:51:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-21 04:51:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-21 04:51:26,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-21 04:51:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-21 04:51:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-21 04:51:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-21 04:51:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-21 04:51:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-21 04:51:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-21 04:51:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-21 04:51:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-21 04:51:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-21 04:51:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-21 04:51:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-21 04:51:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-21 04:51:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-21 04:51:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-21 04:51:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-21 04:51:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-21 04:51:26,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-21 04:51:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-21 04:51:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-21 04:51:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 04:51:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-21 04:51:26,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-21 04:51:26,622 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-21 04:51:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-21 04:51:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-21 04:51:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-21 04:51:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-21 04:51:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-21 04:51:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-21 04:51:26,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-21 04:51:26,623 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-21 04:51:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-21 04:51:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-07-21 04:51:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-07-21 04:51:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-21 04:51:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-21 04:51:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-21 04:51:26,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-21 04:51:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-21 04:51:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-21 04:51:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-21 04:51:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-21 04:51:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-21 04:51:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-21 04:51:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 04:51:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-21 04:51:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-21 04:51:26,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-21 04:51:26,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-21 04:51:26,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 04:51:26,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 04:51:26,885 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 04:51:26,887 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 04:51:27,500 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 04:51:27,507 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 04:51:27,508 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 04:51:27,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:51:27 BoogieIcfgContainer [2022-07-21 04:51:27,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 04:51:27,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 04:51:27,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 04:51:27,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 04:51:27,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:51:25" (1/3) ... [2022-07-21 04:51:27,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a5e082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:51:27, skipping insertion in model container [2022-07-21 04:51:27,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:51:26" (2/3) ... [2022-07-21 04:51:27,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a5e082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:51:27, skipping insertion in model container [2022-07-21 04:51:27,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:51:27" (3/3) ... [2022-07-21 04:51:27,516 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product34.cil.c [2022-07-21 04:51:27,525 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 04:51:27,525 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 04:51:27,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 04:51:27,574 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d220ca3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3899f05e [2022-07-21 04:51:27,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 04:51:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2022-07-21 04:51:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-21 04:51:27,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:27,634 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:27,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:27,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:27,639 INFO L85 PathProgramCache]: Analyzing trace with hash 469008212, now seen corresponding path program 1 times [2022-07-21 04:51:27,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:27,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531605401] [2022-07-21 04:51:27,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:51:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:51:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:51:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 04:51:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 04:51:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:51:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 04:51:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 04:51:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 04:51:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 04:51:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 04:51:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:51:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-21 04:51:28,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:28,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531605401] [2022-07-21 04:51:28,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531605401] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:51:28,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113076982] [2022-07-21 04:51:28,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:28,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:28,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:28,090 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) [2022-07-21 04:51:28,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 04:51:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 04:51:28,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 04:51:28,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:51:28,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113076982] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:28,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:51:28,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-21 04:51:28,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606192412] [2022-07-21 04:51:28,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:28,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 04:51:28,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:28,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 04:51:28,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:51:28,435 INFO L87 Difference]: Start difference. First operand has 447 states, 346 states have (on average 1.5375722543352601) internal successors, (532), 351 states have internal predecessors, (532), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:28,516 INFO L93 Difference]: Finished difference Result 701 states and 1038 transitions. [2022-07-21 04:51:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 04:51:28,518 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 116 [2022-07-21 04:51:28,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:28,534 INFO L225 Difference]: With dead ends: 701 [2022-07-21 04:51:28,534 INFO L226 Difference]: Without dead ends: 440 [2022-07-21 04:51:28,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:51:28,545 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:28,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:51:28,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-07-21 04:51:28,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-07-21 04:51:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 340 states have (on average 1.5323529411764707) internal successors, (521), 344 states have internal predecessors, (521), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-07-21 04:51:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 662 transitions. [2022-07-21 04:51:28,617 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 662 transitions. Word has length 116 [2022-07-21 04:51:28,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:28,618 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 662 transitions. [2022-07-21 04:51:28,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:28,619 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 662 transitions. [2022-07-21 04:51:28,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-21 04:51:28,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:28,621 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:28,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:28,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-07-21 04:51:28,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:28,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1635745970, now seen corresponding path program 1 times [2022-07-21 04:51:28,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:28,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417236076] [2022-07-21 04:51:28,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:51:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:51:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:51:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 04:51:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 04:51:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 04:51:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 04:51:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 04:51:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 04:51:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 04:51:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 04:51:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 04:51:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-21 04:51:29,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:29,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417236076] [2022-07-21 04:51:29,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417236076] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:51:29,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55305191] [2022-07-21 04:51:29,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:29,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:29,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 04:51:29,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 04:51:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 04:51:29,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 04:51:29,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:51:29,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55305191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:29,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:51:29,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 04:51:29,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803588317] [2022-07-21 04:51:29,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:29,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:51:29,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:29,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:51:29,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:51:29,324 INFO L87 Difference]: Start difference. First operand 440 states and 662 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:29,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:29,389 INFO L93 Difference]: Finished difference Result 691 states and 1016 transitions. [2022-07-21 04:51:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:51:29,390 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 117 [2022-07-21 04:51:29,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:29,392 INFO L225 Difference]: With dead ends: 691 [2022-07-21 04:51:29,393 INFO L226 Difference]: Without dead ends: 443 [2022-07-21 04:51:29,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:51:29,396 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 1 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:29,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1318 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:51:29,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-07-21 04:51:29,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 442. [2022-07-21 04:51:29,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 342 states have (on average 1.5292397660818713) internal successors, (523), 346 states have internal predecessors, (523), 71 states have call successors, (71), 28 states have call predecessors, (71), 28 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2022-07-21 04:51:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 664 transitions. [2022-07-21 04:51:29,427 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 664 transitions. Word has length 117 [2022-07-21 04:51:29,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:29,429 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 664 transitions. [2022-07-21 04:51:29,429 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 664 transitions. [2022-07-21 04:51:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 04:51:29,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:29,432 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:29,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:29,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-07-21 04:51:29,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:29,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:29,640 INFO L85 PathProgramCache]: Analyzing trace with hash 19152645, now seen corresponding path program 1 times [2022-07-21 04:51:29,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:29,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428254616] [2022-07-21 04:51:29,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:29,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:51:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:51:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:51:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 04:51:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 04:51:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 04:51:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 04:51:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 04:51:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 04:51:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:51:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 04:51:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,779 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:51:29,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:29,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428254616] [2022-07-21 04:51:29,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428254616] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:51:29,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340415132] [2022-07-21 04:51:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:29,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:29,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:29,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 04:51:29,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 04:51:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:29,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 04:51:29,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-21 04:51:30,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:51:30,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340415132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:30,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:51:30,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 04:51:30,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166666325] [2022-07-21 04:51:30,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:30,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:51:30,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:30,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:51:30,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:51:30,036 INFO L87 Difference]: Start difference. First operand 442 states and 664 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:30,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:30,061 INFO L93 Difference]: Finished difference Result 932 states and 1420 transitions. [2022-07-21 04:51:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:51:30,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 123 [2022-07-21 04:51:30,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:30,067 INFO L225 Difference]: With dead ends: 932 [2022-07-21 04:51:30,067 INFO L226 Difference]: Without dead ends: 517 [2022-07-21 04:51:30,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:51:30,069 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 134 mSDsluCounter, 614 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1295 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:30,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1295 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:51:30,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-07-21 04:51:30,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 509. [2022-07-21 04:51:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 395 states have (on average 1.549367088607595) internal successors, (612), 399 states have internal predecessors, (612), 85 states have call successors, (85), 28 states have call predecessors, (85), 28 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2022-07-21 04:51:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 781 transitions. [2022-07-21 04:51:30,098 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 781 transitions. Word has length 123 [2022-07-21 04:51:30,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:30,098 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 781 transitions. [2022-07-21 04:51:30,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:30,099 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 781 transitions. [2022-07-21 04:51:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 04:51:30,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:30,101 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:30,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:30,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:30,314 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:30,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:30,315 INFO L85 PathProgramCache]: Analyzing trace with hash 560835075, now seen corresponding path program 1 times [2022-07-21 04:51:30,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:30,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099652591] [2022-07-21 04:51:30,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:30,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:51:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 04:51:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 04:51:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 04:51:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 04:51:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 04:51:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:51:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 04:51:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 04:51:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 04:51:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 04:51:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 04:51:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,416 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:51:30,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:30,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099652591] [2022-07-21 04:51:30,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099652591] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:51:30,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955439924] [2022-07-21 04:51:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:30,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:30,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:30,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 04:51:30,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 04:51:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:30,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 04:51:30,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 04:51:30,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:51:30,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955439924] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:30,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:51:30,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-21 04:51:30,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739616056] [2022-07-21 04:51:30,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:30,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 04:51:30,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 04:51:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:51:30,730 INFO L87 Difference]: Start difference. First operand 509 states and 781 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 04:51:30,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:30,800 INFO L93 Difference]: Finished difference Result 1009 states and 1552 transitions. [2022-07-21 04:51:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 04:51:30,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 124 [2022-07-21 04:51:30,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:30,804 INFO L225 Difference]: With dead ends: 1009 [2022-07-21 04:51:30,804 INFO L226 Difference]: Without dead ends: 511 [2022-07-21 04:51:30,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:30,808 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 152 mSDsluCounter, 1784 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2437 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:30,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2437 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:51:30,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-07-21 04:51:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2022-07-21 04:51:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 396 states have (on average 1.547979797979798) internal successors, (613), 401 states have internal predecessors, (613), 85 states have call successors, (85), 28 states have call predecessors, (85), 29 states have return successors, (86), 83 states have call predecessors, (86), 84 states have call successors, (86) [2022-07-21 04:51:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 784 transitions. [2022-07-21 04:51:30,837 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 784 transitions. Word has length 124 [2022-07-21 04:51:30,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:30,837 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 784 transitions. [2022-07-21 04:51:30,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 04:51:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 784 transitions. [2022-07-21 04:51:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-21 04:51:30,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:30,841 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:30,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:31,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:31,055 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:31,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:31,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2049711222, now seen corresponding path program 1 times [2022-07-21 04:51:31,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:31,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969348056] [2022-07-21 04:51:31,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:31,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 04:51:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 04:51:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 04:51:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:51:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 04:51:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 04:51:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 04:51:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 04:51:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:51:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:51:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 04:51:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 04:51:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 04:51:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 04:51:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-21 04:51:31,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:31,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969348056] [2022-07-21 04:51:31,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969348056] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:51:31,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002684046] [2022-07-21 04:51:31,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:31,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:31,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:31,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 04:51:31,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 04:51:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 04:51:31,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-07-21 04:51:31,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:51:31,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2002684046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:31,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:51:31,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-21 04:51:31,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530936226] [2022-07-21 04:51:31,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:31,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 04:51:31,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 04:51:31,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-21 04:51:31,501 INFO L87 Difference]: Start difference. First operand 511 states and 784 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 04:51:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:31,557 INFO L93 Difference]: Finished difference Result 1011 states and 1557 transitions. [2022-07-21 04:51:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 04:51:31,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 144 [2022-07-21 04:51:31,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:31,560 INFO L225 Difference]: With dead ends: 1011 [2022-07-21 04:51:31,561 INFO L226 Difference]: Without dead ends: 513 [2022-07-21 04:51:31,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-21 04:51:31,563 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 151 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2426 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:31,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2426 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:51:31,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2022-07-21 04:51:31,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2022-07-21 04:51:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2022-07-21 04:51:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 790 transitions. [2022-07-21 04:51:31,582 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 790 transitions. Word has length 144 [2022-07-21 04:51:31,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:31,583 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 790 transitions. [2022-07-21 04:51:31,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 04:51:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 790 transitions. [2022-07-21 04:51:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 04:51:31,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:31,585 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:31,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:31,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:31,802 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:31,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:31,802 INFO L85 PathProgramCache]: Analyzing trace with hash -605863978, now seen corresponding path program 1 times [2022-07-21 04:51:31,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:31,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540628628] [2022-07-21 04:51:31,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:31,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 04:51:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 04:51:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 04:51:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 04:51:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 04:51:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 04:51:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 04:51:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 04:51:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 04:51:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 04:51:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:51:31,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540628628] [2022-07-21 04:51:31,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540628628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:31,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:31,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 04:51:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867876413] [2022-07-21 04:51:31,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:31,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 04:51:31,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:31,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 04:51:31,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:51:31,908 INFO L87 Difference]: Start difference. First operand 513 states and 790 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 04:51:33,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:33,784 INFO L93 Difference]: Finished difference Result 1207 states and 1875 transitions. [2022-07-21 04:51:33,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 04:51:33,785 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 126 [2022-07-21 04:51:33,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:33,788 INFO L225 Difference]: With dead ends: 1207 [2022-07-21 04:51:33,788 INFO L226 Difference]: Without dead ends: 717 [2022-07-21 04:51:33,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-21 04:51:33,790 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 1635 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2841 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 3501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 2841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:33,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 1784 Invalid, 3501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 2841 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 04:51:33,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2022-07-21 04:51:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 513. [2022-07-21 04:51:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 403 states have internal predecessors, (614), 85 states have call successors, (85), 28 states have call predecessors, (85), 30 states have return successors, (90), 83 states have call predecessors, (90), 84 states have call successors, (90) [2022-07-21 04:51:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 789 transitions. [2022-07-21 04:51:33,817 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 789 transitions. Word has length 126 [2022-07-21 04:51:33,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:33,817 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 789 transitions. [2022-07-21 04:51:33,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 04:51:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 789 transitions. [2022-07-21 04:51:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-21 04:51:33,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:33,820 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:33,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 04:51:33,820 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:33,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:33,820 INFO L85 PathProgramCache]: Analyzing trace with hash -688956470, now seen corresponding path program 2 times [2022-07-21 04:51:33,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:33,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30761900] [2022-07-21 04:51:33,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:33,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 04:51:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 04:51:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 04:51:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 04:51:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 04:51:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:51:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 04:51:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:51:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 04:51:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 04:51:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 04:51:33,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:33,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30761900] [2022-07-21 04:51:33,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30761900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:33,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:33,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 04:51:33,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145553565] [2022-07-21 04:51:33,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:33,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 04:51:33,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:33,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 04:51:33,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:51:33,946 INFO L87 Difference]: Start difference. First operand 513 states and 789 transitions. Second operand has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 04:51:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:35,778 INFO L93 Difference]: Finished difference Result 1209 states and 1878 transitions. [2022-07-21 04:51:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 04:51:35,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 127 [2022-07-21 04:51:35,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:35,784 INFO L225 Difference]: With dead ends: 1209 [2022-07-21 04:51:35,784 INFO L226 Difference]: Without dead ends: 719 [2022-07-21 04:51:35,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-21 04:51:35,786 INFO L413 NwaCegarLoop]: 800 mSDtfsCounter, 1628 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 3512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:35,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 1785 Invalid, 3512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 2835 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 04:51:35,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-07-21 04:51:35,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 515. [2022-07-21 04:51:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (92), 83 states have call predecessors, (92), 84 states have call successors, (92) [2022-07-21 04:51:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 792 transitions. [2022-07-21 04:51:35,810 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 792 transitions. Word has length 127 [2022-07-21 04:51:35,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:35,811 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 792 transitions. [2022-07-21 04:51:35,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-21 04:51:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 792 transitions. [2022-07-21 04:51:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 04:51:35,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:35,814 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:35,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 04:51:35,814 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:35,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:35,815 INFO L85 PathProgramCache]: Analyzing trace with hash 958892849, now seen corresponding path program 1 times [2022-07-21 04:51:35,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:35,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981345192] [2022-07-21 04:51:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 04:51:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 04:51:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 04:51:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:51:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 04:51:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 04:51:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 04:51:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 04:51:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 04:51:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 04:51:35,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:35,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981345192] [2022-07-21 04:51:35,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981345192] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:35,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:35,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 04:51:35,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610471942] [2022-07-21 04:51:35,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:35,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 04:51:35,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:35,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 04:51:35,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:51:35,940 INFO L87 Difference]: Start difference. First operand 515 states and 792 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 04:51:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:38,434 INFO L93 Difference]: Finished difference Result 1207 states and 1873 transitions. [2022-07-21 04:51:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 04:51:38,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2022-07-21 04:51:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:38,439 INFO L225 Difference]: With dead ends: 1207 [2022-07-21 04:51:38,439 INFO L226 Difference]: Without dead ends: 719 [2022-07-21 04:51:38,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-21 04:51:38,441 INFO L413 NwaCegarLoop]: 790 mSDtfsCounter, 1766 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 5193 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 2148 SdHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 5193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:38,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 2148 Invalid, 5901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [708 Valid, 5193 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 04:51:38,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-07-21 04:51:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 515. [2022-07-21 04:51:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 405 states have internal predecessors, (615), 85 states have call successors, (85), 28 states have call predecessors, (85), 31 states have return successors, (91), 83 states have call predecessors, (91), 84 states have call successors, (91) [2022-07-21 04:51:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 791 transitions. [2022-07-21 04:51:38,464 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 791 transitions. Word has length 128 [2022-07-21 04:51:38,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:38,464 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 791 transitions. [2022-07-21 04:51:38,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 8 states have internal predecessors, (84), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 04:51:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 791 transitions. [2022-07-21 04:51:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-21 04:51:38,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:38,467 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:38,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 04:51:38,467 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:38,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:38,467 INFO L85 PathProgramCache]: Analyzing trace with hash -12505178, now seen corresponding path program 2 times [2022-07-21 04:51:38,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:38,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628838521] [2022-07-21 04:51:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 04:51:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 04:51:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 04:51:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:51:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 04:51:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:51:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 04:51:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 04:51:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-21 04:51:38,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:38,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628838521] [2022-07-21 04:51:38,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628838521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:38,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:38,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 04:51:38,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638931842] [2022-07-21 04:51:38,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:38,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 04:51:38,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 04:51:38,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:51:38,590 INFO L87 Difference]: Start difference. First operand 515 states and 791 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 04:51:41,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:41,081 INFO L93 Difference]: Finished difference Result 1209 states and 1879 transitions. [2022-07-21 04:51:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 04:51:41,081 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 129 [2022-07-21 04:51:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:41,084 INFO L225 Difference]: With dead ends: 1209 [2022-07-21 04:51:41,084 INFO L226 Difference]: Without dead ends: 721 [2022-07-21 04:51:41,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-21 04:51:41,086 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 1763 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 5186 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 2146 SdHoareTripleChecker+Invalid, 5899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 5186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:41,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 2146 Invalid, 5899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 5186 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 04:51:41,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-07-21 04:51:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 517. [2022-07-21 04:51:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 407 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2022-07-21 04:51:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 797 transitions. [2022-07-21 04:51:41,109 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 797 transitions. Word has length 129 [2022-07-21 04:51:41,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:41,110 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 797 transitions. [2022-07-21 04:51:41,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 8 states have internal predecessors, (85), 4 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-21 04:51:41,110 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 797 transitions. [2022-07-21 04:51:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-21 04:51:41,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:41,112 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:41,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 04:51:41,112 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:41,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:41,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1499767553, now seen corresponding path program 1 times [2022-07-21 04:51:41,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:41,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81084359] [2022-07-21 04:51:41,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:41,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:51:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 04:51:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:51:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 04:51:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 04:51:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 04:51:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 04:51:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 04:51:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 04:51:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 04:51:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 04:51:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-07-21 04:51:41,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:41,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81084359] [2022-07-21 04:51:41,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81084359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:41,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:41,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 04:51:41,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396695773] [2022-07-21 04:51:41,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:41,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 04:51:41,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:41,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 04:51:41,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:51:41,211 INFO L87 Difference]: Start difference. First operand 517 states and 797 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 04:51:42,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:42,930 INFO L93 Difference]: Finished difference Result 1211 states and 1882 transitions. [2022-07-21 04:51:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 04:51:42,931 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 149 [2022-07-21 04:51:42,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:42,936 INFO L225 Difference]: With dead ends: 1211 [2022-07-21 04:51:42,936 INFO L226 Difference]: Without dead ends: 721 [2022-07-21 04:51:42,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-21 04:51:42,939 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1631 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 2830 mSolverCounterSat, 672 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 3502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 2830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:42,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 1780 Invalid, 3502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 2830 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 04:51:42,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-07-21 04:51:42,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 517. [2022-07-21 04:51:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 399 states have (on average 1.543859649122807) internal successors, (616), 407 states have internal predecessors, (616), 85 states have call successors, (85), 28 states have call predecessors, (85), 32 states have return successors, (96), 83 states have call predecessors, (96), 84 states have call successors, (96) [2022-07-21 04:51:42,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 797 transitions. [2022-07-21 04:51:42,963 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 797 transitions. Word has length 149 [2022-07-21 04:51:42,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:42,964 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 797 transitions. [2022-07-21 04:51:42,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 5 states have internal predecessors, (90), 3 states have call successors, (21), 6 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-21 04:51:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 797 transitions. [2022-07-21 04:51:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 04:51:42,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:42,966 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:42,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 04:51:42,967 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:42,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:42,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1484941036, now seen corresponding path program 1 times [2022-07-21 04:51:42,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:42,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167823987] [2022-07-21 04:51:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:42,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 04:51:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 04:51:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:51:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 04:51:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 04:51:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 04:51:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 04:51:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 04:51:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 04:51:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:43,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:43,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167823987] [2022-07-21 04:51:43,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167823987] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:51:43,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621050417] [2022-07-21 04:51:43,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:43,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:43,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:51:43,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 04:51:43,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 04:51:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:43,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 04:51:43,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:51:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:43,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 04:51:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:43,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621050417] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 04:51:43,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 04:51:43,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-21 04:51:43,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445071857] [2022-07-21 04:51:43,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 04:51:43,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 04:51:43,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:43,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 04:51:43,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-21 04:51:43,350 INFO L87 Difference]: Start difference. First operand 517 states and 797 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 04:51:45,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:45,211 INFO L93 Difference]: Finished difference Result 1411 states and 2271 transitions. [2022-07-21 04:51:45,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 04:51:45,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-07-21 04:51:45,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:45,216 INFO L225 Difference]: With dead ends: 1411 [2022-07-21 04:51:45,216 INFO L226 Difference]: Without dead ends: 1163 [2022-07-21 04:51:45,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-21 04:51:45,218 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 2022 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 849 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 3341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 849 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:45,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 2230 Invalid, 3341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [849 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 04:51:45,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-07-21 04:51:45,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 935. [2022-07-21 04:51:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 738 states have (on average 1.6111111111111112) internal successors, (1189), 746 states have internal predecessors, (1189), 164 states have call successors, (164), 28 states have call predecessors, (164), 32 states have return successors, (185), 162 states have call predecessors, (185), 163 states have call successors, (185) [2022-07-21 04:51:45,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1538 transitions. [2022-07-21 04:51:45,259 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1538 transitions. Word has length 130 [2022-07-21 04:51:45,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:45,259 INFO L495 AbstractCegarLoop]: Abstraction has 935 states and 1538 transitions. [2022-07-21 04:51:45,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 7 states have internal predecessors, (121), 2 states have call successors, (36), 6 states have call predecessors, (36), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 04:51:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1538 transitions. [2022-07-21 04:51:45,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-21 04:51:45,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:45,263 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:45,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 04:51:45,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:51:45,480 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:45,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1927313743, now seen corresponding path program 1 times [2022-07-21 04:51:45,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:45,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929469804] [2022-07-21 04:51:45,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:45,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 04:51:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 04:51:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:51:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:51:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 04:51:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 04:51:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 04:51:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 04:51:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 04:51:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:45,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:45,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929469804] [2022-07-21 04:51:45,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929469804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:45,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:45,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:45,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505362067] [2022-07-21 04:51:45,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:45,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:45,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:45,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:45,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:45,572 INFO L87 Difference]: Start difference. First operand 935 states and 1538 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:46,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:46,980 INFO L93 Difference]: Finished difference Result 2429 states and 4072 transitions. [2022-07-21 04:51:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:46,981 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 136 [2022-07-21 04:51:46,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:46,987 INFO L225 Difference]: With dead ends: 2429 [2022-07-21 04:51:46,987 INFO L226 Difference]: Without dead ends: 1562 [2022-07-21 04:51:46,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:46,990 INFO L413 NwaCegarLoop]: 843 mSDtfsCounter, 1623 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 714 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1641 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 2160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 714 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:46,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1641 Valid, 1629 Invalid, 2160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [714 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 04:51:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-07-21 04:51:47,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1350. [2022-07-21 04:51:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1074 states have (on average 1.6284916201117319) internal successors, (1749), 1082 states have internal predecessors, (1749), 243 states have call successors, (243), 28 states have call predecessors, (243), 32 states have return successors, (274), 241 states have call predecessors, (274), 242 states have call successors, (274) [2022-07-21 04:51:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2266 transitions. [2022-07-21 04:51:47,057 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2266 transitions. Word has length 136 [2022-07-21 04:51:47,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:47,057 INFO L495 AbstractCegarLoop]: Abstraction has 1350 states and 2266 transitions. [2022-07-21 04:51:47,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2266 transitions. [2022-07-21 04:51:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-21 04:51:47,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:47,063 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:47,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 04:51:47,063 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1632753220, now seen corresponding path program 1 times [2022-07-21 04:51:47,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:47,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419631171] [2022-07-21 04:51:47,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:47,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 04:51:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 04:51:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:51:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 04:51:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:51:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 04:51:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 04:51:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 04:51:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 04:51:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:47,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:47,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419631171] [2022-07-21 04:51:47,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419631171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:47,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:47,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:47,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061844859] [2022-07-21 04:51:47,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:47,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:47,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:47,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:47,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:47,136 INFO L87 Difference]: Start difference. First operand 1350 states and 2266 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:48,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:48,548 INFO L93 Difference]: Finished difference Result 3443 states and 5850 transitions. [2022-07-21 04:51:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:48,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2022-07-21 04:51:48,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:48,557 INFO L225 Difference]: With dead ends: 3443 [2022-07-21 04:51:48,557 INFO L226 Difference]: Without dead ends: 2214 [2022-07-21 04:51:48,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:48,561 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 1620 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 1610 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:48,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 1610 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-07-21 04:51:48,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2002. [2022-07-21 04:51:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 1607 states have (on average 1.6403235843186061) internal successors, (2636), 1615 states have internal predecessors, (2636), 362 states have call successors, (362), 28 states have call predecessors, (362), 32 states have return successors, (393), 360 states have call predecessors, (393), 361 states have call successors, (393) [2022-07-21 04:51:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 3391 transitions. [2022-07-21 04:51:48,641 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 3391 transitions. Word has length 137 [2022-07-21 04:51:48,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:48,641 INFO L495 AbstractCegarLoop]: Abstraction has 2002 states and 3391 transitions. [2022-07-21 04:51:48,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:48,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3391 transitions. [2022-07-21 04:51:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-21 04:51:48,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:48,649 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:48,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 04:51:48,650 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:48,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:48,650 INFO L85 PathProgramCache]: Analyzing trace with hash -840746547, now seen corresponding path program 1 times [2022-07-21 04:51:48,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:48,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803386084] [2022-07-21 04:51:48,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:48,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 04:51:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 04:51:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 04:51:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:51:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 04:51:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:51:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 04:51:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 04:51:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 04:51:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:48,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:48,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803386084] [2022-07-21 04:51:48,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803386084] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:48,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:48,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:48,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094080538] [2022-07-21 04:51:48,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:48,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:48,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:48,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:48,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:48,727 INFO L87 Difference]: Start difference. First operand 2002 states and 3391 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:50,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:50,108 INFO L93 Difference]: Finished difference Result 4973 states and 8552 transitions. [2022-07-21 04:51:50,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:50,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 138 [2022-07-21 04:51:50,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:50,120 INFO L225 Difference]: With dead ends: 4973 [2022-07-21 04:51:50,120 INFO L226 Difference]: Without dead ends: 3217 [2022-07-21 04:51:50,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:50,124 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 1620 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 706 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 1599 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:50,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1638 Valid, 1599 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [706 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:50,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2022-07-21 04:51:50,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3005. [2022-07-21 04:51:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3005 states, 2448 states have (on average 1.6495098039215685) internal successors, (4038), 2456 states have internal predecessors, (4038), 524 states have call successors, (524), 28 states have call predecessors, (524), 32 states have return successors, (571), 522 states have call predecessors, (571), 523 states have call successors, (571) [2022-07-21 04:51:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 3005 states and 5133 transitions. [2022-07-21 04:51:50,256 INFO L78 Accepts]: Start accepts. Automaton has 3005 states and 5133 transitions. Word has length 138 [2022-07-21 04:51:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:50,256 INFO L495 AbstractCegarLoop]: Abstraction has 3005 states and 5133 transitions. [2022-07-21 04:51:50,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 5133 transitions. [2022-07-21 04:51:50,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-21 04:51:50,267 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:50,267 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:50,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 04:51:50,268 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:50,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:50,268 INFO L85 PathProgramCache]: Analyzing trace with hash -479663120, now seen corresponding path program 1 times [2022-07-21 04:51:50,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:50,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480843719] [2022-07-21 04:51:50,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:50,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 04:51:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:51:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 04:51:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-21 04:51:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 04:51:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:51:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 04:51:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 04:51:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 04:51:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 04:51:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 04:51:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 04:51:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-21 04:51:50,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:50,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480843719] [2022-07-21 04:51:50,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480843719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:50,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:50,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217226692] [2022-07-21 04:51:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:50,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:50,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:50,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:50,343 INFO L87 Difference]: Start difference. First operand 3005 states and 5133 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 04:51:51,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:51,802 INFO L93 Difference]: Finished difference Result 7397 states and 12841 transitions. [2022-07-21 04:51:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:51,803 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2022-07-21 04:51:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:51,821 INFO L225 Difference]: With dead ends: 7397 [2022-07-21 04:51:51,821 INFO L226 Difference]: Without dead ends: 4842 [2022-07-21 04:51:51,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:51,827 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 1617 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 713 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:51,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 1600 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [713 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:51,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4842 states. [2022-07-21 04:51:52,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4842 to 4630. [2022-07-21 04:51:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4630 states, 3828 states have (on average 1.6559561128526645) internal successors, (6339), 3836 states have internal predecessors, (6339), 769 states have call successors, (769), 28 states have call predecessors, (769), 32 states have return successors, (842), 767 states have call predecessors, (842), 768 states have call successors, (842) [2022-07-21 04:51:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4630 states to 4630 states and 7950 transitions. [2022-07-21 04:51:52,029 INFO L78 Accepts]: Start accepts. Automaton has 4630 states and 7950 transitions. Word has length 158 [2022-07-21 04:51:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:52,030 INFO L495 AbstractCegarLoop]: Abstraction has 4630 states and 7950 transitions. [2022-07-21 04:51:52,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 04:51:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 4630 states and 7950 transitions. [2022-07-21 04:51:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-21 04:51:52,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:52,044 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:52,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 04:51:52,044 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:52,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:52,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1630030321, now seen corresponding path program 1 times [2022-07-21 04:51:52,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:52,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774802764] [2022-07-21 04:51:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:52,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 04:51:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 04:51:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 04:51:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 04:51:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 04:51:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:51:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 04:51:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 04:51:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 04:51:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:52,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:52,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774802764] [2022-07-21 04:51:52,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774802764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:52,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:52,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:52,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552147104] [2022-07-21 04:51:52,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:52,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:52,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:52,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:52,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:52,121 INFO L87 Difference]: Start difference. First operand 4630 states and 7950 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:53,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:53,691 INFO L93 Difference]: Finished difference Result 11443 states and 20001 transitions. [2022-07-21 04:51:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:53,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2022-07-21 04:51:53,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:53,723 INFO L225 Difference]: With dead ends: 11443 [2022-07-21 04:51:53,723 INFO L226 Difference]: Without dead ends: 7575 [2022-07-21 04:51:53,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:53,734 INFO L413 NwaCegarLoop]: 847 mSDtfsCounter, 1614 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:53,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 1634 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:53,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2022-07-21 04:51:53,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7363. [2022-07-21 04:51:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7363 states, 6068 states have (on average 1.6552406064601186) internal successors, (10044), 6076 states have internal predecessors, (10044), 1262 states have call successors, (1262), 28 states have call predecessors, (1262), 32 states have return successors, (1379), 1260 states have call predecessors, (1379), 1261 states have call successors, (1379) [2022-07-21 04:51:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7363 states to 7363 states and 12685 transitions. [2022-07-21 04:51:54,027 INFO L78 Accepts]: Start accepts. Automaton has 7363 states and 12685 transitions. Word has length 140 [2022-07-21 04:51:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:54,028 INFO L495 AbstractCegarLoop]: Abstraction has 7363 states and 12685 transitions. [2022-07-21 04:51:54,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 7363 states and 12685 transitions. [2022-07-21 04:51:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-21 04:51:54,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:54,049 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:54,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 04:51:54,049 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:54,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:54,049 INFO L85 PathProgramCache]: Analyzing trace with hash 855473015, now seen corresponding path program 1 times [2022-07-21 04:51:54,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:54,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356018990] [2022-07-21 04:51:54,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:54,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 04:51:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:51:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-21 04:51:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 04:51:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 04:51:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 04:51:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 04:51:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 04:51:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 04:51:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:54,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:54,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356018990] [2022-07-21 04:51:54,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356018990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:54,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:54,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:54,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972866212] [2022-07-21 04:51:54,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:54,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:54,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:54,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:54,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:54,156 INFO L87 Difference]: Start difference. First operand 7363 states and 12685 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:55,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:55,757 INFO L93 Difference]: Finished difference Result 18778 states and 32885 transitions. [2022-07-21 04:51:55,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:55,757 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 141 [2022-07-21 04:51:55,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:55,795 INFO L225 Difference]: With dead ends: 18778 [2022-07-21 04:51:55,796 INFO L226 Difference]: Without dead ends: 12554 [2022-07-21 04:51:55,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:55,813 INFO L413 NwaCegarLoop]: 829 mSDtfsCounter, 1615 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 2134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 720 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:55,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 1600 Invalid, 2134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [720 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:51:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12554 states. [2022-07-21 04:51:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12554 to 12342. [2022-07-21 04:51:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12342 states, 10225 states have (on average 1.6561369193154034) internal successors, (16934), 10233 states have internal predecessors, (16934), 2084 states have call successors, (2084), 28 states have call predecessors, (2084), 32 states have return successors, (2279), 2082 states have call predecessors, (2279), 2083 states have call successors, (2279) [2022-07-21 04:51:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12342 states to 12342 states and 21297 transitions. [2022-07-21 04:51:56,309 INFO L78 Accepts]: Start accepts. Automaton has 12342 states and 21297 transitions. Word has length 141 [2022-07-21 04:51:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:56,310 INFO L495 AbstractCegarLoop]: Abstraction has 12342 states and 21297 transitions. [2022-07-21 04:51:56,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12342 states and 21297 transitions. [2022-07-21 04:51:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-21 04:51:56,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:56,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:56,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 04:51:56,339 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:56,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:56,340 INFO L85 PathProgramCache]: Analyzing trace with hash 283441571, now seen corresponding path program 1 times [2022-07-21 04:51:56,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:56,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553170355] [2022-07-21 04:51:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 04:51:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 04:51:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 04:51:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 04:51:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-21 04:51:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 04:51:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 04:51:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 04:51:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 04:51:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:56,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:56,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553170355] [2022-07-21 04:51:56,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553170355] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:56,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:56,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:56,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108957997] [2022-07-21 04:51:56,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:56,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:56,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:56,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:56,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:56,407 INFO L87 Difference]: Start difference. First operand 12342 states and 21297 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:51:58,295 INFO L93 Difference]: Finished difference Result 29736 states and 51850 transitions. [2022-07-21 04:51:58,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:51:58,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2022-07-21 04:51:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:51:58,355 INFO L225 Difference]: With dead ends: 29736 [2022-07-21 04:51:58,355 INFO L226 Difference]: Without dead ends: 19507 [2022-07-21 04:51:58,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:51:58,380 INFO L413 NwaCegarLoop]: 841 mSDtfsCounter, 1610 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 1611 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:51:58,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 1611 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [708 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 04:51:58,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19507 states. [2022-07-21 04:51:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19507 to 19295. [2022-07-21 04:51:59,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19295 states, 15975 states have (on average 1.632300469483568) internal successors, (26076), 15983 states have internal predecessors, (26076), 3287 states have call successors, (3287), 28 states have call predecessors, (3287), 32 states have return successors, (3626), 3285 states have call predecessors, (3626), 3286 states have call successors, (3626) [2022-07-21 04:51:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19295 states to 19295 states and 32989 transitions. [2022-07-21 04:51:59,202 INFO L78 Accepts]: Start accepts. Automaton has 19295 states and 32989 transitions. Word has length 142 [2022-07-21 04:51:59,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:51:59,203 INFO L495 AbstractCegarLoop]: Abstraction has 19295 states and 32989 transitions. [2022-07-21 04:51:59,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:51:59,203 INFO L276 IsEmpty]: Start isEmpty. Operand 19295 states and 32989 transitions. [2022-07-21 04:51:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-07-21 04:51:59,228 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:51:59,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:51:59,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 04:51:59,229 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:51:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:51:59,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1113305142, now seen corresponding path program 1 times [2022-07-21 04:51:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:51:59,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466679287] [2022-07-21 04:51:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:51:59,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:51:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:51:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:51:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:51:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:51:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:51:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:51:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-21 04:51:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 04:51:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 04:51:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 04:51:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 04:51:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 04:51:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 04:51:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 04:51:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 04:51:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:51:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:51:59,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:51:59,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466679287] [2022-07-21 04:51:59,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466679287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:51:59,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:51:59,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:51:59,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103335315] [2022-07-21 04:51:59,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:51:59,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:51:59,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:51:59,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:51:59,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:51:59,295 INFO L87 Difference]: Start difference. First operand 19295 states and 32989 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:52:01,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:52:01,745 INFO L93 Difference]: Finished difference Result 51168 states and 88970 transitions. [2022-07-21 04:52:01,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:52:01,745 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 143 [2022-07-21 04:52:01,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:52:01,849 INFO L225 Difference]: With dead ends: 51168 [2022-07-21 04:52:01,849 INFO L226 Difference]: Without dead ends: 34628 [2022-07-21 04:52:01,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:52:01,888 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 1610 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:52:01,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 1606 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 04:52:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34628 states. [2022-07-21 04:52:03,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34628 to 34416. [2022-07-21 04:52:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34416 states, 28646 states have (on average 1.6295119737485164) internal successors, (46679), 28654 states have internal predecessors, (46679), 5737 states have call successors, (5737), 28 states have call predecessors, (5737), 32 states have return successors, (6350), 5735 states have call predecessors, (6350), 5736 states have call successors, (6350) [2022-07-21 04:52:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34416 states to 34416 states and 58766 transitions. [2022-07-21 04:52:03,540 INFO L78 Accepts]: Start accepts. Automaton has 34416 states and 58766 transitions. Word has length 143 [2022-07-21 04:52:03,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:52:03,541 INFO L495 AbstractCegarLoop]: Abstraction has 34416 states and 58766 transitions. [2022-07-21 04:52:03,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-21 04:52:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 34416 states and 58766 transitions. [2022-07-21 04:52:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-21 04:52:03,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:52:03,574 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:52:03,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 04:52:03,574 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:52:03,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:52:03,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1121171234, now seen corresponding path program 1 times [2022-07-21 04:52:03,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:52:03,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773798760] [2022-07-21 04:52:03,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:52:03,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:52:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:52:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:52:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:52:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:52:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:52:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:52:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 04:52:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 04:52:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:52:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 04:52:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 04:52:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 04:52:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 04:52:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 04:52:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 04:52:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 04:52:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 04:52:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 04:52:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-21 04:52:03,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:52:03,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773798760] [2022-07-21 04:52:03,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773798760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:52:03,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:52:03,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:52:03,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146496902] [2022-07-21 04:52:03,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:52:03,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:52:03,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:52:03,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:52:03,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:52:03,660 INFO L87 Difference]: Start difference. First operand 34416 states and 58766 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 04:52:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:52:06,973 INFO L93 Difference]: Finished difference Result 94040 states and 162764 transitions. [2022-07-21 04:52:06,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:52:06,974 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2022-07-21 04:52:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:52:07,155 INFO L225 Difference]: With dead ends: 94040 [2022-07-21 04:52:07,155 INFO L226 Difference]: Without dead ends: 63295 [2022-07-21 04:52:07,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:52:07,212 INFO L413 NwaCegarLoop]: 831 mSDtfsCounter, 1612 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 2127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:52:07,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 1623 Invalid, 2127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:52:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63295 states. [2022-07-21 04:52:09,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63295 to 63083. [2022-07-21 04:52:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63083 states, 52800 states have (on average 1.6255681818181817) internal successors, (85830), 52808 states have internal predecessors, (85830), 10250 states have call successors, (10250), 28 states have call predecessors, (10250), 32 states have return successors, (11395), 10248 states have call predecessors, (11395), 10249 states have call successors, (11395) [2022-07-21 04:52:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63083 states to 63083 states and 107475 transitions. [2022-07-21 04:52:09,844 INFO L78 Accepts]: Start accepts. Automaton has 63083 states and 107475 transitions. Word has length 163 [2022-07-21 04:52:09,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:52:09,844 INFO L495 AbstractCegarLoop]: Abstraction has 63083 states and 107475 transitions. [2022-07-21 04:52:09,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 04:52:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63083 states and 107475 transitions. [2022-07-21 04:52:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-21 04:52:09,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:52:09,889 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:52:09,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 04:52:09,889 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:52:09,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:52:09,890 INFO L85 PathProgramCache]: Analyzing trace with hash 747419509, now seen corresponding path program 1 times [2022-07-21 04:52:09,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:52:09,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981864118] [2022-07-21 04:52:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:52:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:52:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:52:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:52:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:52:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:52:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:52:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:52:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 04:52:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:52:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 04:52:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 04:52:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 04:52:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 04:52:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 04:52:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 04:52:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 04:52:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 04:52:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 04:52:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 04:52:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-07-21 04:52:09,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:52:09,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981864118] [2022-07-21 04:52:09,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981864118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:52:09,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:52:09,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:52:09,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433318315] [2022-07-21 04:52:09,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:52:09,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:52:09,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:52:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:52:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:52:09,961 INFO L87 Difference]: Start difference. First operand 63083 states and 107475 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 04:52:14,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:52:14,490 INFO L93 Difference]: Finished difference Result 118416 states and 205398 transitions. [2022-07-21 04:52:14,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:52:14,491 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 164 [2022-07-21 04:52:14,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:52:14,882 INFO L225 Difference]: With dead ends: 118416 [2022-07-21 04:52:14,882 INFO L226 Difference]: Without dead ends: 118168 [2022-07-21 04:52:14,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-21 04:52:14,928 INFO L413 NwaCegarLoop]: 832 mSDtfsCounter, 1607 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 1603 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:52:14,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 1603 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 04:52:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118168 states. [2022-07-21 04:52:19,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118168 to 117956. [2022-07-21 04:52:19,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117956 states, 99305 states have (on average 1.620472282362419) internal successors, (160921), 99313 states have internal predecessors, (160921), 18618 states have call successors, (18618), 28 states have call predecessors, (18618), 32 states have return successors, (20809), 18616 states have call predecessors, (20809), 18617 states have call successors, (20809) [2022-07-21 04:52:20,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117956 states to 117956 states and 200348 transitions. [2022-07-21 04:52:20,178 INFO L78 Accepts]: Start accepts. Automaton has 117956 states and 200348 transitions. Word has length 164 [2022-07-21 04:52:20,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:52:20,178 INFO L495 AbstractCegarLoop]: Abstraction has 117956 states and 200348 transitions. [2022-07-21 04:52:20,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 04:52:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 117956 states and 200348 transitions. [2022-07-21 04:52:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-21 04:52:20,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:52:20,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:52:20,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 04:52:20,226 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:52:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:52:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash 149181546, now seen corresponding path program 1 times [2022-07-21 04:52:20,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:52:20,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544842098] [2022-07-21 04:52:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:52:20,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:52:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 04:52:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 04:52:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 04:52:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 04:52:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 04:52:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 04:52:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 04:52:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 04:52:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 04:52:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:52:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 04:52:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 04:52:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 04:52:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 04:52:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 04:52:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:52:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-21 04:52:20,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:52:20,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544842098] [2022-07-21 04:52:20,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544842098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:52:20,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:52:20,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-07-21 04:52:20,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684225378] [2022-07-21 04:52:20,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:52:20,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 04:52:20,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:52:20,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 04:52:20,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-07-21 04:52:20,413 INFO L87 Difference]: Start difference. First operand 117956 states and 200348 transitions. Second operand has 18 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-07-21 04:52:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:52:35,226 INFO L93 Difference]: Finished difference Result 236063 states and 412803 transitions. [2022-07-21 04:52:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-07-21 04:52:35,227 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0625) internal successors, (97), 12 states have internal predecessors, (97), 6 states have call successors, (18), 7 states have call predecessors, (18), 4 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 146 [2022-07-21 04:52:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:52:36,466 INFO L225 Difference]: With dead ends: 236063 [2022-07-21 04:52:36,466 INFO L226 Difference]: Without dead ends: 235821 [2022-07-21 04:52:36,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=872, Invalid=3820, Unknown=0, NotChecked=0, Total=4692 [2022-07-21 04:52:36,581 INFO L413 NwaCegarLoop]: 962 mSDtfsCounter, 5911 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 14975 mSolverCounterSat, 3645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5911 SdHoareTripleChecker+Valid, 4190 SdHoareTripleChecker+Invalid, 18620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3645 IncrementalHoareTripleChecker+Valid, 14975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:52:36,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5911 Valid, 4190 Invalid, 18620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3645 Valid, 14975 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-07-21 04:52:36,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235821 states.