./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_spec9_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 f84999f0f81e33d8d10765588f1ef0eb7f6e4b27122985f82c092211345428dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:21:54,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:21:54,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:21:54,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:21:54,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:21:54,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:21:54,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:21:54,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:21:54,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:21:54,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:21:54,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:21:54,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:21:54,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:21:54,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:21:54,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:21:54,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:21:54,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:21:54,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:21:54,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:21:54,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:21:54,925 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:21:54,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:21:54,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:21:54,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:21:54,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:21:54,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:21:54,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:21:54,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:21:54,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:21:54,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:21:54,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:21:54,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:21:54,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:21:54,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:21:54,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:21:54,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:21:54,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:21:54,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:21:54,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:21:54,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:21:54,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:21:54,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:21:54,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:21:54,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:21:54,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:21:54,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:21:54,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:21:54,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:21:54,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:21:54,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:21:54,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:21:54,956 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:21:54,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:21:54,957 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:21:54,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:21:54,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:21:54,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:21:54,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:21:54,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:21:54,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:21:54,958 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:21:54,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:21:54,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:21:54,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:21:54,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:21:54,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:21:54,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:21:54,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:21:54,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:21:54,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:21:54,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:21:54,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:21:54,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:21:54,961 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:21:54,962 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:21:54,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:21:54,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f84999f0f81e33d8d10765588f1ef0eb7f6e4b27122985f82c092211345428dc [2022-07-19 17:21:55,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:21:55,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:21:55,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:21:55,141 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:21:55,141 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:21:55,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2022-07-19 17:21:55,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866d62d00/867e45d81ee5478090023d38730c26d1/FLAG128d4ac6e [2022-07-19 17:21:55,567 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:21:55,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2022-07-19 17:21:55,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866d62d00/867e45d81ee5478090023d38730c26d1/FLAG128d4ac6e [2022-07-19 17:21:55,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/866d62d00/867e45d81ee5478090023d38730c26d1 [2022-07-19 17:21:55,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:21:55,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:21:55,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:21:55,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:21:55,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:21:55,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:21:55" (1/1) ... [2022-07-19 17:21:55,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df37fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:55, skipping insertion in model container [2022-07-19 17:21:55,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:21:55" (1/1) ... [2022-07-19 17:21:55,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:21:55,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:21:56,150 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_spec9_product34.cil.c[8301,8314] [2022-07-19 17:21:56,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:21:56,388 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:21:56,415 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_spec9_product34.cil.c[8301,8314] [2022-07-19 17:21:56,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:21:56,522 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:21:56,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56 WrapperNode [2022-07-19 17:21:56,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:21:56,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:21:56,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:21:56,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:21:56,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,600 INFO L137 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1110 [2022-07-19 17:21:56,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:21:56,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:21:56,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:21:56,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:21:56,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:21:56,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:21:56,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:21:56,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:21:56,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (1/1) ... [2022-07-19 17:21:56,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:21:56,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:21:56,723 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) [2022-07-19 17:21:56,727 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 [2022-07-19 17:21:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-19 17:21:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-19 17:21:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-19 17:21:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-19 17:21:56,762 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-19 17:21:56,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-19 17:21:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-19 17:21:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-19 17:21:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-19 17:21:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-19 17:21:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-19 17:21:56,763 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-19 17:21:56,763 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-19 17:21:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-19 17:21:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-19 17:21:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-19 17:21:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-19 17:21:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-19 17:21:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-19 17:21:56,764 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-19 17:21:56,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-19 17:21:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-19 17:21:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-19 17:21:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:21:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-19 17:21:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-19 17:21:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-19 17:21:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-19 17:21:56,765 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-19 17:21:56,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-19 17:21:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-19 17:21:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-19 17:21:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-19 17:21:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-19 17:21:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-19 17:21:56,766 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-19 17:21:56,766 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-07-19 17:21:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-07-19 17:21:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-19 17:21:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-19 17:21:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-19 17:21:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-19 17:21:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-19 17:21:56,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-19 17:21:56,767 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-19 17:21:56,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-19 17:21:56,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-19 17:21:56,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-19 17:21:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:21:56,769 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-19 17:21:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-19 17:21:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-19 17:21:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-19 17:21:56,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:21:56,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:21:56,959 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:21:56,960 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:21:57,531 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:21:57,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:21:57,539 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-19 17:21:57,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:21:57 BoogieIcfgContainer [2022-07-19 17:21:57,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:21:57,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:21:57,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:21:57,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:21:57,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:21:55" (1/3) ... [2022-07-19 17:21:57,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367bcc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:21:57, skipping insertion in model container [2022-07-19 17:21:57,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:21:56" (2/3) ... [2022-07-19 17:21:57,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367bcc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:21:57, skipping insertion in model container [2022-07-19 17:21:57,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:21:57" (3/3) ... [2022-07-19 17:21:57,556 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product34.cil.c [2022-07-19 17:21:57,566 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:21:57,566 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:21:57,621 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:21:57,628 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@eb42034, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5aa2ba55 [2022-07-19 17:21:57,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:21:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 448 states, 347 states have (on average 1.5360230547550433) internal successors, (533), 352 states have internal predecessors, (533), 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) [2022-07-19 17:21:57,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-19 17:21:57,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:21:57,670 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:21:57,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:21:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:21:57,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1401609271, now seen corresponding path program 1 times [2022-07-19 17:21:57,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:21:57,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255322924] [2022-07-19 17:21:57,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:21:57,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:21:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:21:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:21:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:21:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:21:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:21:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:21:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-19 17:21:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-19 17:21:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:21:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:21:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:21:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:21:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:21:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:21:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:21:58,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:21:58,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255322924] [2022-07-19 17:21:58,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255322924] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:21:58,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707756136] [2022-07-19 17:21:58,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:21:58,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:21:58,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:21:58,134 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) [2022-07-19 17:21:58,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:21:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 17:21:58,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:21:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:21:58,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:21:58,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707756136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:21:58,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:21:58,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-19 17:21:58,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119799503] [2022-07-19 17:21:58,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:21:58,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:21:58,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:21:58,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:21:58,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:21:58,480 INFO L87 Difference]: Start difference. First operand has 448 states, 347 states have (on average 1.5360230547550433) internal successors, (533), 352 states have internal predecessors, (533), 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 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:21:58,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:21:58,524 INFO L93 Difference]: Finished difference Result 703 states and 1040 transitions. [2022-07-19 17:21:58,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:21:58,527 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 110 [2022-07-19 17:21:58,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:21:58,536 INFO L225 Difference]: With dead ends: 703 [2022-07-19 17:21:58,536 INFO L226 Difference]: Without dead ends: 441 [2022-07-19 17:21:58,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:21:58,543 INFO L413 NwaCegarLoop]: 671 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, 671 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 [2022-07-19 17:21:58,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:21:58,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-07-19 17:21:58,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2022-07-19 17:21:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 341 states have (on average 1.530791788856305) internal successors, (522), 345 states have internal predecessors, (522), 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) [2022-07-19 17:21:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 663 transitions. [2022-07-19 17:21:58,599 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 663 transitions. Word has length 110 [2022-07-19 17:21:58,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:21:58,602 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 663 transitions. [2022-07-19 17:21:58,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:21:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 663 transitions. [2022-07-19 17:21:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-19 17:21:58,606 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:21:58,606 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:21:58,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:21:58,815 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 [2022-07-19 17:21:58,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:21:58,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:21:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1511627835, now seen corresponding path program 1 times [2022-07-19 17:21:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:21:58,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346423075] [2022-07-19 17:21:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:21:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:21:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:21:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:21:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:21:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:21:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:21:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:21:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-19 17:21:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 17:21:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:21:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:21:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:21:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:21:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:21:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:21:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-19 17:21:58,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:21:58,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346423075] [2022-07-19 17:21:58,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346423075] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:21:58,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089959093] [2022-07-19 17:21:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:21:58,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:21:58,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:21:58,998 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) [2022-07-19 17:21:58,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:21:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-19 17:21:59,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:21:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:21:59,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:21:59,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089959093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:21:59,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:21:59,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-19 17:21:59,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305198591] [2022-07-19 17:21:59,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:21:59,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:21:59,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:21:59,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:21:59,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:21:59,312 INFO L87 Difference]: Start difference. First operand 441 states and 663 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:21:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:21:59,346 INFO L93 Difference]: Finished difference Result 693 states and 1018 transitions. [2022-07-19 17:21:59,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:21:59,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2022-07-19 17:21:59,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:21:59,350 INFO L225 Difference]: With dead ends: 693 [2022-07-19 17:21:59,350 INFO L226 Difference]: Without dead ends: 444 [2022-07-19 17:21:59,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:21:59,353 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 1 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1320 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 [2022-07-19 17:21:59,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1320 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:21:59,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-07-19 17:21:59,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2022-07-19 17:21:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 343 states have (on average 1.5276967930029155) internal successors, (524), 347 states have internal predecessors, (524), 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) [2022-07-19 17:21:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 665 transitions. [2022-07-19 17:21:59,374 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 665 transitions. Word has length 111 [2022-07-19 17:21:59,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:21:59,375 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 665 transitions. [2022-07-19 17:21:59,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:21:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 665 transitions. [2022-07-19 17:21:59,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-19 17:21:59,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:21:59,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:21:59,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:21:59,597 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 [2022-07-19 17:21:59,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:21:59,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:21:59,598 INFO L85 PathProgramCache]: Analyzing trace with hash 843354108, now seen corresponding path program 1 times [2022-07-19 17:21:59,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:21:59,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702084976] [2022-07-19 17:21:59,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:21:59,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:21:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:21:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:21:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:21:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:21:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:21:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:21:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 17:21:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:21:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 17:21:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:21:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:21:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:21:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:21:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:21:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 17:21:59,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:21:59,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702084976] [2022-07-19 17:21:59,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702084976] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:21:59,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102679934] [2022-07-19 17:21:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:21:59,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:21:59,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:21:59,738 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) [2022-07-19 17:21:59,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-19 17:21:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:21:59,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 17:21:59,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:21:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:21:59,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:21:59,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102679934] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:21:59,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:21:59,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-19 17:21:59,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418760158] [2022-07-19 17:21:59,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:21:59,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:21:59,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:21:59,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:21:59,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:21:59,996 INFO L87 Difference]: Start difference. First operand 443 states and 665 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:00,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:00,067 INFO L93 Difference]: Finished difference Result 934 states and 1422 transitions. [2022-07-19 17:22:00,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:22:00,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 117 [2022-07-19 17:22:00,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:00,072 INFO L225 Difference]: With dead ends: 934 [2022-07-19 17:22:00,072 INFO L226 Difference]: Without dead ends: 518 [2022-07-19 17:22:00,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:22:00,075 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 134 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1311 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 [2022-07-19 17:22:00,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1311 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:00,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-07-19 17:22:00,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 510. [2022-07-19 17:22:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 396 states have (on average 1.547979797979798) internal successors, (613), 400 states have internal predecessors, (613), 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) [2022-07-19 17:22:00,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 782 transitions. [2022-07-19 17:22:00,110 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 782 transitions. Word has length 117 [2022-07-19 17:22:00,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:00,111 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 782 transitions. [2022-07-19 17:22:00,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 782 transitions. [2022-07-19 17:22:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-19 17:22:00,113 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:00,113 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:00,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-19 17:22:00,335 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 [2022-07-19 17:22:00,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:00,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:00,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2031116616, now seen corresponding path program 1 times [2022-07-19 17:22:00,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:00,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229305312] [2022-07-19 17:22:00,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:00,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:22:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-19 17:22:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-19 17:22:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 17:22:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:22:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:22:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:22:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:22:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:22:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:22:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 17:22:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 17:22:00,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:00,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229305312] [2022-07-19 17:22:00,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229305312] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:22:00,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743565280] [2022-07-19 17:22:00,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:00,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:22:00,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:22:00,452 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) [2022-07-19 17:22:00,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-19 17:22:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:00,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-19 17:22:00,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:22:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-19 17:22:00,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:22:00,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743565280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:00,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:22:00,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-19 17:22:00,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080119054] [2022-07-19 17:22:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:00,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:22:00,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:00,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:22:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:22:00,732 INFO L87 Difference]: Start difference. First operand 510 states and 782 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:00,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:00,777 INFO L93 Difference]: Finished difference Result 1011 states and 1554 transitions. [2022-07-19 17:22:00,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:22:00,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 118 [2022-07-19 17:22:00,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:00,780 INFO L225 Difference]: With dead ends: 1011 [2022-07-19 17:22:00,780 INFO L226 Difference]: Without dead ends: 512 [2022-07-19 17:22:00,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:00,782 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 152 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 2441 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 [2022-07-19 17:22:00,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 2441 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:00,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-07-19 17:22:00,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2022-07-19 17:22:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 397 states have (on average 1.5465994962216625) internal successors, (614), 402 states have internal predecessors, (614), 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) [2022-07-19 17:22:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 785 transitions. [2022-07-19 17:22:00,797 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 785 transitions. Word has length 118 [2022-07-19 17:22:00,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:00,798 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 785 transitions. [2022-07-19 17:22:00,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 785 transitions. [2022-07-19 17:22:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-19 17:22:00,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:00,800 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:00,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-19 17:22:01,011 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 [2022-07-19 17:22:01,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:01,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1440532084, now seen corresponding path program 1 times [2022-07-19 17:22:01,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:01,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93507739] [2022-07-19 17:22:01,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-19 17:22:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-19 17:22:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 17:22:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:22:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:22:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:22:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 17:22:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 17:22:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:22:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 17:22:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-19 17:22:01,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:01,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93507739] [2022-07-19 17:22:01,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93507739] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:22:01,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606504152] [2022-07-19 17:22:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:01,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:22:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:22:01,113 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) [2022-07-19 17:22:01,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-19 17:22:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-19 17:22:01,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:22:01,360 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-19 17:22:01,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:22:01,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606504152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:01,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:22:01,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-19 17:22:01,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944572468] [2022-07-19 17:22:01,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:01,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:22:01,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:01,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:22:01,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-19 17:22:01,381 INFO L87 Difference]: Start difference. First operand 512 states and 785 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:01,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:01,442 INFO L93 Difference]: Finished difference Result 1013 states and 1559 transitions. [2022-07-19 17:22:01,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:22:01,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 119 [2022-07-19 17:22:01,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:01,445 INFO L225 Difference]: With dead ends: 1013 [2022-07-19 17:22:01,445 INFO L226 Difference]: Without dead ends: 514 [2022-07-19 17:22:01,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-07-19 17:22:01,447 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 151 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 2430 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 [2022-07-19 17:22:01,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 2430 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:22:01,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-07-19 17:22:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2022-07-19 17:22:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 404 states have internal predecessors, (615), 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) [2022-07-19 17:22:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 791 transitions. [2022-07-19 17:22:01,464 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 791 transitions. Word has length 119 [2022-07-19 17:22:01,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:01,464 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 791 transitions. [2022-07-19 17:22:01,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 791 transitions. [2022-07-19 17:22:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-19 17:22:01,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:01,466 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:01,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-19 17:22:01,679 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 [2022-07-19 17:22:01,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:01,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:01,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1239817995, now seen corresponding path program 1 times [2022-07-19 17:22:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:01,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051599746] [2022-07-19 17:22:01,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:01,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 17:22:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 17:22:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 17:22:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:22:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:22:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:22:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:22:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:22:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 17:22:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 17:22:01,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:01,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051599746] [2022-07-19 17:22:01,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051599746] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:01,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:01,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:22:01,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106151276] [2022-07-19 17:22:01,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:01,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:22:01,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:22:01,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:22:01,787 INFO L87 Difference]: Start difference. First operand 514 states and 791 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:03,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:03,587 INFO L93 Difference]: Finished difference Result 1210 states and 1878 transitions. [2022-07-19 17:22:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:22:03,588 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 120 [2022-07-19 17:22:03,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:03,592 INFO L225 Difference]: With dead ends: 1210 [2022-07-19 17:22:03,592 INFO L226 Difference]: Without dead ends: 719 [2022-07-19 17:22:03,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:22:03,594 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 1851 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2496 mSolverCounterSat, 754 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 3250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 754 IncrementalHoareTripleChecker+Valid, 2496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:03,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 1691 Invalid, 3250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [754 Valid, 2496 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 17:22:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-07-19 17:22:03,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 514. [2022-07-19 17:22:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 398 states have (on average 1.5452261306532664) internal successors, (615), 404 states have internal predecessors, (615), 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) [2022-07-19 17:22:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 790 transitions. [2022-07-19 17:22:03,620 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 790 transitions. Word has length 120 [2022-07-19 17:22:03,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:03,620 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 790 transitions. [2022-07-19 17:22:03,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 790 transitions. [2022-07-19 17:22:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-19 17:22:03,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:03,622 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2022-07-19 17:22:03,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:22:03,622 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:03,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash 880428033, now seen corresponding path program 2 times [2022-07-19 17:22:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:03,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474259060] [2022-07-19 17:22:03,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 17:22:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 17:22:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 17:22:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:22:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:22:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:22:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:22:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:22:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 17:22:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:03,729 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-19 17:22:03,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:03,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474259060] [2022-07-19 17:22:03,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474259060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:03,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:03,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:22:03,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800599685] [2022-07-19 17:22:03,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:03,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:22:03,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:03,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:22:03,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:22:03,731 INFO L87 Difference]: Start difference. First operand 514 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, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:05,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:05,464 INFO L93 Difference]: Finished difference Result 1212 states and 1881 transitions. [2022-07-19 17:22:05,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:22:05,465 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, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 121 [2022-07-19 17:22:05,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:05,470 INFO L225 Difference]: With dead ends: 1212 [2022-07-19 17:22:05,470 INFO L226 Difference]: Without dead ends: 721 [2022-07-19 17:22:05,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:22:05,472 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 1803 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1824 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 3299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:05,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1824 Valid, 1706 Invalid, 3299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 2569 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-19 17:22:05,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-07-19 17:22:05,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2022-07-19 17:22:05,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 399 states have (on average 1.543859649122807) internal successors, (616), 406 states have internal predecessors, (616), 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) [2022-07-19 17:22:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 793 transitions. [2022-07-19 17:22:05,503 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 793 transitions. Word has length 121 [2022-07-19 17:22:05,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:05,505 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 793 transitions. [2022-07-19 17:22:05,505 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, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:22:05,505 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 793 transitions. [2022-07-19 17:22:05,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-19 17:22:05,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:05,507 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:05,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:22:05,507 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:05,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:05,508 INFO L85 PathProgramCache]: Analyzing trace with hash -124712218, now seen corresponding path program 1 times [2022-07-19 17:22:05,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:05,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541895925] [2022-07-19 17:22:05,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:05,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:22:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 17:22:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:22:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:22:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:22:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:22:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:22:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:22:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-19 17:22:05,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:05,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541895925] [2022-07-19 17:22:05,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541895925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:05,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:05,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:22:05,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943499552] [2022-07-19 17:22:05,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:05,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:22:05,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:05,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:22:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:22:05,626 INFO L87 Difference]: Start difference. First operand 516 states and 793 transitions. Second operand has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-07-19 17:22:08,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:08,053 INFO L93 Difference]: Finished difference Result 1210 states and 1876 transitions. [2022-07-19 17:22:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:22:08,054 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 122 [2022-07-19 17:22:08,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:08,058 INFO L225 Difference]: With dead ends: 1210 [2022-07-19 17:22:08,059 INFO L226 Difference]: Without dead ends: 721 [2022-07-19 17:22:08,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-19 17:22:08,061 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 1853 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4862 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 2097 SdHoareTripleChecker+Invalid, 5606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 4862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:08,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 2097 Invalid, 5606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 4862 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-19 17:22:08,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-07-19 17:22:08,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2022-07-19 17:22:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 399 states have (on average 1.543859649122807) internal successors, (616), 406 states have internal predecessors, (616), 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) [2022-07-19 17:22:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 792 transitions. [2022-07-19 17:22:08,087 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 792 transitions. Word has length 122 [2022-07-19 17:22:08,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:08,088 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 792 transitions. [2022-07-19 17:22:08,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.545454545454546) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-07-19 17:22:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 792 transitions. [2022-07-19 17:22:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-19 17:22:08,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:08,091 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2022-07-19 17:22:08,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:22:08,091 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:08,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:08,091 INFO L85 PathProgramCache]: Analyzing trace with hash -580455267, now seen corresponding path program 2 times [2022-07-19 17:22:08,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:08,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292412893] [2022-07-19 17:22:08,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:08,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 17:22:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-19 17:22:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:22:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:22:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:22:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:22:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:22:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:22:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-19 17:22:08,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:08,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292412893] [2022-07-19 17:22:08,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292412893] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:08,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:08,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-19 17:22:08,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60260652] [2022-07-19 17:22:08,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:08,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-19 17:22:08,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-19 17:22:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:22:08,193 INFO L87 Difference]: Start difference. First operand 516 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, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-07-19 17:22:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:10,457 INFO L93 Difference]: Finished difference Result 1212 states and 1882 transitions. [2022-07-19 17:22:10,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 17:22:10,458 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, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123 [2022-07-19 17:22:10,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:10,461 INFO L225 Difference]: With dead ends: 1212 [2022-07-19 17:22:10,461 INFO L226 Difference]: Without dead ends: 723 [2022-07-19 17:22:10,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2022-07-19 17:22:10,463 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 1962 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1962 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 4521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:10,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1962 Valid, 2046 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-19 17:22:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-07-19 17:22:10,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 518. [2022-07-19 17:22:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 400 states have (on average 1.5425) internal successors, (617), 408 states have internal predecessors, (617), 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) [2022-07-19 17:22:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 798 transitions. [2022-07-19 17:22:10,485 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 798 transitions. Word has length 123 [2022-07-19 17:22:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:10,486 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 798 transitions. [2022-07-19 17:22:10,486 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, (17), 6 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 4 states have call successors, (14) [2022-07-19 17:22:10,486 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 798 transitions. [2022-07-19 17:22:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-19 17:22:10,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:10,488 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:10,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:22:10,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -384876767, now seen corresponding path program 1 times [2022-07-19 17:22:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:10,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106539529] [2022-07-19 17:22:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-19 17:22:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-19 17:22:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:22:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:22:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:22:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:22:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:22:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:22:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,561 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:10,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:10,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106539529] [2022-07-19 17:22:10,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106539529] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:22:10,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652850029] [2022-07-19 17:22:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:10,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:22:10,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:22:10,576 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) [2022-07-19 17:22:10,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-19 17:22:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:10,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-19 17:22:10,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:22:10,816 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:10,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-19 17:22:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:10,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652850029] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-19 17:22:10,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-19 17:22:10,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-19 17:22:10,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334761082] [2022-07-19 17:22:10,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-19 17:22:10,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 17:22:10,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:10,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 17:22:10,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-19 17:22:10,880 INFO L87 Difference]: Start difference. First operand 518 states and 798 transitions. Second operand has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-19 17:22:12,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:12,639 INFO L93 Difference]: Finished difference Result 1414 states and 2275 transitions. [2022-07-19 17:22:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 17:22:12,639 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 124 [2022-07-19 17:22:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:12,644 INFO L225 Difference]: With dead ends: 1414 [2022-07-19 17:22:12,644 INFO L226 Difference]: Without dead ends: 1165 [2022-07-19 17:22:12,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-07-19 17:22:12,646 INFO L413 NwaCegarLoop]: 875 mSDtfsCounter, 2156 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 2340 SdHoareTripleChecker+Invalid, 3396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:12,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 2340 Invalid, 3396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-19 17:22:12,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-07-19 17:22:12,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 936. [2022-07-19 17:22:12,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 739 states have (on average 1.6102841677943167) internal successors, (1190), 747 states have internal predecessors, (1190), 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) [2022-07-19 17:22:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1539 transitions. [2022-07-19 17:22:12,683 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1539 transitions. Word has length 124 [2022-07-19 17:22:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:12,684 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1539 transitions. [2022-07-19 17:22:12,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.909090909090908) internal successors, (120), 7 states have internal predecessors, (120), 2 states have call successors, (34), 6 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-19 17:22:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1539 transitions. [2022-07-19 17:22:12,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-19 17:22:12,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:12,687 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:12,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-19 17:22:12,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:22:12,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:12,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1303955588, now seen corresponding path program 1 times [2022-07-19 17:22:12,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:12,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5253684] [2022-07-19 17:22:12,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:12,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 17:22:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:22:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:22:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:22:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:22:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:22:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 17:22:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 17:22:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:12,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:12,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5253684] [2022-07-19 17:22:12,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5253684] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:12,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:12,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:12,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264293143] [2022-07-19 17:22:12,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:12,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:12,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:12,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:12,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:12,980 INFO L87 Difference]: Start difference. First operand 936 states and 1539 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:14,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:14,294 INFO L93 Difference]: Finished difference Result 2432 states and 4076 transitions. [2022-07-19 17:22:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:14,301 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2022-07-19 17:22:14,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:14,307 INFO L225 Difference]: With dead ends: 2432 [2022-07-19 17:22:14,307 INFO L226 Difference]: Without dead ends: 1564 [2022-07-19 17:22:14,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:14,310 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 1711 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 767 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 767 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:14,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 1585 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [767 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 17:22:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2022-07-19 17:22:14,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1351. [2022-07-19 17:22:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 1075 states have (on average 1.627906976744186) internal successors, (1750), 1083 states have internal predecessors, (1750), 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) [2022-07-19 17:22:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2267 transitions. [2022-07-19 17:22:14,362 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2267 transitions. Word has length 130 [2022-07-19 17:22:14,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:14,362 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 2267 transitions. [2022-07-19 17:22:14,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2267 transitions. [2022-07-19 17:22:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-19 17:22:14,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:14,368 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:14,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-19 17:22:14,368 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:14,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:14,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1870689843, now seen corresponding path program 1 times [2022-07-19 17:22:14,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:14,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859940829] [2022-07-19 17:22:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:14,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 17:22:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:22:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:22:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:22:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:22:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:22:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 17:22:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 17:22:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:14,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:14,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859940829] [2022-07-19 17:22:14,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859940829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:14,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:14,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:14,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725414706] [2022-07-19 17:22:14,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:14,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:14,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:14,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:14,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:14,453 INFO L87 Difference]: Start difference. First operand 1351 states and 2267 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:15,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:15,789 INFO L93 Difference]: Finished difference Result 3446 states and 5854 transitions. [2022-07-19 17:22:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:15,794 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2022-07-19 17:22:15,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:15,805 INFO L225 Difference]: With dead ends: 3446 [2022-07-19 17:22:15,805 INFO L226 Difference]: Without dead ends: 2216 [2022-07-19 17:22:15,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:15,810 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 1783 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:15,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 1515 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:22:15,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-07-19 17:22:15,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2003. [2022-07-19 17:22:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2003 states, 1608 states have (on average 1.6399253731343284) internal successors, (2637), 1616 states have internal predecessors, (2637), 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) [2022-07-19 17:22:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3392 transitions. [2022-07-19 17:22:15,909 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3392 transitions. Word has length 131 [2022-07-19 17:22:15,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:15,909 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 3392 transitions. [2022-07-19 17:22:15,909 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3392 transitions. [2022-07-19 17:22:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-19 17:22:15,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:15,917 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:15,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-19 17:22:15,918 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1061539902, now seen corresponding path program 1 times [2022-07-19 17:22:15,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:15,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783460151] [2022-07-19 17:22:15,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:15,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 17:22:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:22:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:22:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:22:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 17:22:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:22:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 17:22:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-19 17:22:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:15,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:15,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:15,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783460151] [2022-07-19 17:22:15,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783460151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:15,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:15,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:15,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933213710] [2022-07-19 17:22:15,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:15,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:15,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:15,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:15,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:15,994 INFO L87 Difference]: Start difference. First operand 2003 states and 3392 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:17,331 INFO L93 Difference]: Finished difference Result 4976 states and 8556 transitions. [2022-07-19 17:22:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:17,332 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2022-07-19 17:22:17,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:17,343 INFO L225 Difference]: With dead ends: 4976 [2022-07-19 17:22:17,343 INFO L226 Difference]: Without dead ends: 3219 [2022-07-19 17:22:17,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:17,348 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 1745 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 2109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:17,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 1539 Invalid, 2109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:22:17,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-07-19 17:22:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3006. [2022-07-19 17:22:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3006 states, 2449 states have (on average 1.6492445896284198) internal successors, (4039), 2457 states have internal predecessors, (4039), 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) [2022-07-19 17:22:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 5134 transitions. [2022-07-19 17:22:17,488 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 5134 transitions. Word has length 132 [2022-07-19 17:22:17,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:17,489 INFO L495 AbstractCegarLoop]: Abstraction has 3006 states and 5134 transitions. [2022-07-19 17:22:17,489 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 5134 transitions. [2022-07-19 17:22:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-19 17:22:17,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:17,499 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:17,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-19 17:22:17,499 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:17,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:17,500 INFO L85 PathProgramCache]: Analyzing trace with hash -2010719470, now seen corresponding path program 1 times [2022-07-19 17:22:17,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:17,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080970470] [2022-07-19 17:22:17,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:17,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:22:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:22:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-19 17:22:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 17:22:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 17:22:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:22:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-19 17:22:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 17:22:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:17,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:17,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080970470] [2022-07-19 17:22:17,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080970470] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:17,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:17,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:17,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513259150] [2022-07-19 17:22:17,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:17,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:17,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:17,573 INFO L87 Difference]: Start difference. First operand 3006 states and 5134 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:18,999 INFO L93 Difference]: Finished difference Result 7400 states and 12845 transitions. [2022-07-19 17:22:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:19,009 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 133 [2022-07-19 17:22:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:19,026 INFO L225 Difference]: With dead ends: 7400 [2022-07-19 17:22:19,026 INFO L226 Difference]: Without dead ends: 4844 [2022-07-19 17:22:19,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:19,032 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 1770 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1788 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:19,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1788 Valid, 1521 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:22:19,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4844 states. [2022-07-19 17:22:19,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4844 to 4631. [2022-07-19 17:22:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4631 states, 3829 states have (on average 1.655784800208932) internal successors, (6340), 3837 states have internal predecessors, (6340), 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) [2022-07-19 17:22:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 7951 transitions. [2022-07-19 17:22:19,245 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 7951 transitions. Word has length 133 [2022-07-19 17:22:19,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:19,246 INFO L495 AbstractCegarLoop]: Abstraction has 4631 states and 7951 transitions. [2022-07-19 17:22:19,246 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 7951 transitions. [2022-07-19 17:22:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-19 17:22:19,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:19,259 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:19,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-19 17:22:19,259 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:19,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:19,260 INFO L85 PathProgramCache]: Analyzing trace with hash -439809242, now seen corresponding path program 1 times [2022-07-19 17:22:19,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:19,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203277418] [2022-07-19 17:22:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:19,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 17:22:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:22:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-19 17:22:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 17:22:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 17:22:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:22:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 17:22:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 17:22:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:19,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:19,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203277418] [2022-07-19 17:22:19,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203277418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:19,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:19,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:19,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570162130] [2022-07-19 17:22:19,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:19,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:19,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:19,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:19,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:19,321 INFO L87 Difference]: Start difference. First operand 4631 states and 7951 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:20,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:20,824 INFO L93 Difference]: Finished difference Result 11446 states and 20005 transitions. [2022-07-19 17:22:20,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2022-07-19 17:22:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:20,855 INFO L225 Difference]: With dead ends: 11446 [2022-07-19 17:22:20,855 INFO L226 Difference]: Without dead ends: 7577 [2022-07-19 17:22:20,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:20,866 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 1670 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 763 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:20,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1618 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [763 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:22:20,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7577 states. [2022-07-19 17:22:21,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7577 to 7364. [2022-07-19 17:22:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7364 states, 6069 states have (on average 1.6551326412918108) internal successors, (10045), 6077 states have internal predecessors, (10045), 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) [2022-07-19 17:22:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7364 states to 7364 states and 12686 transitions. [2022-07-19 17:22:21,171 INFO L78 Accepts]: Start accepts. Automaton has 7364 states and 12686 transitions. Word has length 134 [2022-07-19 17:22:21,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:21,171 INFO L495 AbstractCegarLoop]: Abstraction has 7364 states and 12686 transitions. [2022-07-19 17:22:21,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:21,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7364 states and 12686 transitions. [2022-07-19 17:22:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-19 17:22:21,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:21,191 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:21,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-19 17:22:21,191 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:21,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1727156306, now seen corresponding path program 1 times [2022-07-19 17:22:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:21,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955281208] [2022-07-19 17:22:21,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:21,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 17:22:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:22:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 17:22:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:22:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-19 17:22:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-19 17:22:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-19 17:22:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-19 17:22:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:21,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955281208] [2022-07-19 17:22:21,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955281208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:21,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:21,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:21,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249729843] [2022-07-19 17:22:21,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:21,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:21,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:21,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:21,268 INFO L87 Difference]: Start difference. First operand 7364 states and 12686 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:22,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:22,818 INFO L93 Difference]: Finished difference Result 18781 states and 32889 transitions. [2022-07-19 17:22:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:22,819 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 135 [2022-07-19 17:22:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:22,882 INFO L225 Difference]: With dead ends: 18781 [2022-07-19 17:22:22,882 INFO L226 Difference]: Without dead ends: 12556 [2022-07-19 17:22:22,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:22,897 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1764 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 776 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:22,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1783 Valid, 1534 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [776 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:22:22,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12556 states. [2022-07-19 17:22:23,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12556 to 12343. [2022-07-19 17:22:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12343 states, 10226 states have (on average 1.656072755720712) internal successors, (16935), 10234 states have internal predecessors, (16935), 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) [2022-07-19 17:22:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12343 states to 12343 states and 21298 transitions. [2022-07-19 17:22:23,419 INFO L78 Accepts]: Start accepts. Automaton has 12343 states and 21298 transitions. Word has length 135 [2022-07-19 17:22:23,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:23,419 INFO L495 AbstractCegarLoop]: Abstraction has 12343 states and 21298 transitions. [2022-07-19 17:22:23,419 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:23,419 INFO L276 IsEmpty]: Start isEmpty. Operand 12343 states and 21298 transitions. [2022-07-19 17:22:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-19 17:22:23,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:23,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:23,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-19 17:22:23,451 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:23,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:23,451 INFO L85 PathProgramCache]: Analyzing trace with hash -97339240, now seen corresponding path program 1 times [2022-07-19 17:22:23,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:23,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711507173] [2022-07-19 17:22:23,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:23,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-19 17:22:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 17:22:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-19 17:22:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 17:22:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 17:22:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 17:22:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 17:22:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 17:22:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:23,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:23,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711507173] [2022-07-19 17:22:23,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711507173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:23,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:23,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:23,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477913326] [2022-07-19 17:22:23,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:23,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:23,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:23,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:23,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:23,521 INFO L87 Difference]: Start difference. First operand 12343 states and 21298 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:25,305 INFO L93 Difference]: Finished difference Result 29739 states and 51854 transitions. [2022-07-19 17:22:25,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:25,306 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 136 [2022-07-19 17:22:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:25,366 INFO L225 Difference]: With dead ends: 29739 [2022-07-19 17:22:25,366 INFO L226 Difference]: Without dead ends: 19509 [2022-07-19 17:22:25,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:25,390 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 1725 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 1543 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 779 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:25,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 1543 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [779 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 17:22:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19509 states. [2022-07-19 17:22:26,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19509 to 19296. [2022-07-19 17:22:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19296 states, 15976 states have (on average 1.6322608913370056) internal successors, (26077), 15984 states have internal predecessors, (26077), 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) [2022-07-19 17:22:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19296 states to 19296 states and 32990 transitions. [2022-07-19 17:22:26,324 INFO L78 Accepts]: Start accepts. Automaton has 19296 states and 32990 transitions. Word has length 136 [2022-07-19 17:22:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:26,325 INFO L495 AbstractCegarLoop]: Abstraction has 19296 states and 32990 transitions. [2022-07-19 17:22:26,325 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 19296 states and 32990 transitions. [2022-07-19 17:22:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-19 17:22:26,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:26,346 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:26,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-19 17:22:26,346 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:26,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:26,346 INFO L85 PathProgramCache]: Analyzing trace with hash -495626387, now seen corresponding path program 1 times [2022-07-19 17:22:26,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:26,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145286467] [2022-07-19 17:22:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 17:22:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-19 17:22:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 17:22:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 17:22:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 17:22:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-19 17:22:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 17:22:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-19 17:22:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:26,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:26,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145286467] [2022-07-19 17:22:26,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145286467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:26,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:26,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:26,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136893556] [2022-07-19 17:22:26,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:26,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:26,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:26,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:26,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:26,429 INFO L87 Difference]: Start difference. First operand 19296 states and 32990 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:28,552 INFO L93 Difference]: Finished difference Result 51171 states and 88974 transitions. [2022-07-19 17:22:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:28,553 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2022-07-19 17:22:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:28,681 INFO L225 Difference]: With dead ends: 51171 [2022-07-19 17:22:28,682 INFO L226 Difference]: Without dead ends: 34630 [2022-07-19 17:22:28,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:28,811 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 1726 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 1541 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:28,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 1541 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-19 17:22:28,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34630 states. [2022-07-19 17:22:30,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34630 to 34417. [2022-07-19 17:22:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34417 states, 28647 states have (on average 1.62948999895277) internal successors, (46680), 28655 states have internal predecessors, (46680), 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) [2022-07-19 17:22:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34417 states to 34417 states and 58767 transitions. [2022-07-19 17:22:30,229 INFO L78 Accepts]: Start accepts. Automaton has 34417 states and 58767 transitions. Word has length 137 [2022-07-19 17:22:30,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:30,229 INFO L495 AbstractCegarLoop]: Abstraction has 34417 states and 58767 transitions. [2022-07-19 17:22:30,229 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 34417 states and 58767 transitions. [2022-07-19 17:22:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-19 17:22:30,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:30,258 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:30,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-19 17:22:30,259 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:30,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:30,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1168339618, now seen corresponding path program 1 times [2022-07-19 17:22:30,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:30,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200629269] [2022-07-19 17:22:30,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:30,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 17:22:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 17:22:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 17:22:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-19 17:22:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-19 17:22:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 17:22:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 17:22:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-19 17:22:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:30,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:30,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:30,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200629269] [2022-07-19 17:22:30,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200629269] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:30,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:30,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:30,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028823379] [2022-07-19 17:22:30,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:30,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:30,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:30,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:30,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:30,332 INFO L87 Difference]: Start difference. First operand 34417 states and 58767 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:33,507 INFO L93 Difference]: Finished difference Result 94043 states and 162768 transitions. [2022-07-19 17:22:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:33,508 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2022-07-19 17:22:33,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:33,710 INFO L225 Difference]: With dead ends: 94043 [2022-07-19 17:22:33,710 INFO L226 Difference]: Without dead ends: 63297 [2022-07-19 17:22:33,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:33,776 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1724 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 776 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 776 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:33,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 1546 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [776 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-19 17:22:33,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63297 states. [2022-07-19 17:22:36,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63297 to 63084. [2022-07-19 17:22:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63084 states, 52801 states have (on average 1.6255563341603378) internal successors, (85831), 52809 states have internal predecessors, (85831), 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) [2022-07-19 17:22:36,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63084 states to 63084 states and 107476 transitions. [2022-07-19 17:22:36,408 INFO L78 Accepts]: Start accepts. Automaton has 63084 states and 107476 transitions. Word has length 138 [2022-07-19 17:22:36,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:36,408 INFO L495 AbstractCegarLoop]: Abstraction has 63084 states and 107476 transitions. [2022-07-19 17:22:36,409 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, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 63084 states and 107476 transitions. [2022-07-19 17:22:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-19 17:22:36,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:36,440 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:36,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-19 17:22:36,440 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash -602877139, now seen corresponding path program 1 times [2022-07-19 17:22:36,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:36,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979132539] [2022-07-19 17:22:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:36,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 17:22:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-19 17:22:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 17:22:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 17:22:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 17:22:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 17:22:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-19 17:22:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-19 17:22:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:36,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:36,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979132539] [2022-07-19 17:22:36,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979132539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:36,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:36,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 17:22:36,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321737322] [2022-07-19 17:22:36,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:36,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 17:22:36,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:36,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 17:22:36,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:22:36,517 INFO L87 Difference]: Start difference. First operand 63084 states and 107476 transitions. Second operand has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:22:41,101 INFO L93 Difference]: Finished difference Result 118419 states and 205402 transitions. [2022-07-19 17:22:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 17:22:41,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 139 [2022-07-19 17:22:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:22:41,605 INFO L225 Difference]: With dead ends: 118419 [2022-07-19 17:22:41,605 INFO L226 Difference]: Without dead ends: 118170 [2022-07-19 17:22:41,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-07-19 17:22:41,649 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 1710 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:22:41,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 1547 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-19 17:22:41,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118170 states. [2022-07-19 17:22:46,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118170 to 117957. [2022-07-19 17:22:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117957 states, 99306 states have (on average 1.6204660342778885) internal successors, (160922), 99314 states have internal predecessors, (160922), 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) [2022-07-19 17:22:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117957 states to 117957 states and 200349 transitions. [2022-07-19 17:22:46,595 INFO L78 Accepts]: Start accepts. Automaton has 117957 states and 200349 transitions. Word has length 139 [2022-07-19 17:22:46,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:22:46,596 INFO L495 AbstractCegarLoop]: Abstraction has 117957 states and 200349 transitions. [2022-07-19 17:22:46,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-19 17:22:46,596 INFO L276 IsEmpty]: Start isEmpty. Operand 117957 states and 200349 transitions. [2022-07-19 17:22:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-19 17:22:46,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:22:46,906 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:22:46,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-19 17:22:46,919 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:22:46,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:22:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 52684063, now seen corresponding path program 1 times [2022-07-19 17:22:46,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:22:46,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945723301] [2022-07-19 17:22:46,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:22:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:22:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:22:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:22:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:22:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:22:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:22:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:22:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:22:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:22:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:22:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:22:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:22:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:22:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 17:22:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 17:22:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:22:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:22:47,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:22:47,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945723301] [2022-07-19 17:22:47,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945723301] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:22:47,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:22:47,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-07-19 17:22:47,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175410081] [2022-07-19 17:22:47,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:22:47,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-19 17:22:47,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:22:47,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-19 17:22:47,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-07-19 17:22:47,099 INFO L87 Difference]: Start difference. First operand 117957 states and 200349 transitions. Second operand has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-07-19 17:23:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:01,503 INFO L93 Difference]: Finished difference Result 236072 states and 412813 transitions. [2022-07-19 17:23:01,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-07-19 17:23:01,504 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 140 [2022-07-19 17:23:01,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:02,646 INFO L225 Difference]: With dead ends: 236072 [2022-07-19 17:23:02,646 INFO L226 Difference]: Without dead ends: 235829 [2022-07-19 17:23:02,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=872, Invalid=3820, Unknown=0, NotChecked=0, Total=4692 [2022-07-19 17:23:02,733 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 6418 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 14302 mSolverCounterSat, 3824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6418 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 18126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3824 IncrementalHoareTripleChecker+Valid, 14302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:02,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6418 Valid, 4131 Invalid, 18126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3824 Valid, 14302 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-19 17:23:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235829 states. [2022-07-19 17:23:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235829 to 235020. [2022-07-19 17:23:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235020 states, 197896 states have (on average 1.6208210373125278) internal successors, (320754), 197806 states have internal predecessors, (320754), 37037 states have call successors, (37037), 75 states have call predecessors, (37037), 86 states have return successors, (44719), 37146 states have call predecessors, (44719), 37034 states have call successors, (44719) [2022-07-19 17:23:13,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235020 states to 235020 states and 402510 transitions. [2022-07-19 17:23:13,316 INFO L78 Accepts]: Start accepts. Automaton has 235020 states and 402510 transitions. Word has length 140 [2022-07-19 17:23:13,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:13,317 INFO L495 AbstractCegarLoop]: Abstraction has 235020 states and 402510 transitions. [2022-07-19 17:23:13,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.0) internal successors, (96), 12 states have internal predecessors, (96), 6 states have call successors, (17), 7 states have call predecessors, (17), 4 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2022-07-19 17:23:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 235020 states and 402510 transitions. [2022-07-19 17:23:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-19 17:23:13,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:13,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:13,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-19 17:23:13,406 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:13,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:13,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1359170625, now seen corresponding path program 1 times [2022-07-19 17:23:13,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:13,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145721767] [2022-07-19 17:23:13,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:13,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 17:23:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 17:23:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:23:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-19 17:23:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 17:23:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-19 17:23:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-19 17:23:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 17:23:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-19 17:23:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 17:23:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 17:23:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:23:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-19 17:23:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 17:23:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-19 17:23:13,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:13,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145721767] [2022-07-19 17:23:13,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145721767] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:13,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:13,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 17:23:13,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043197044] [2022-07-19 17:23:13,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:13,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 17:23:13,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:13,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 17:23:13,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-19 17:23:13,490 INFO L87 Difference]: Start difference. First operand 235020 states and 402510 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)