./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_spec8_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 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:55:02,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:55:02,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:55:02,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:55:02,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:55:02,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:55:02,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:55:02,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:55:02,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:55:02,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:55:02,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:55:02,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:55:02,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:55:02,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:55:02,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:55:02,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:55:02,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:55:02,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:55:02,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:55:02,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:55:02,705 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:55:02,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:55:02,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:55:02,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:55:02,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:55:02,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:55:02,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:55:02,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:55:02,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:55:02,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:55:02,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:55:02,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:55:02,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:55:02,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:55:02,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:55:02,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:55:02,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:55:02,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:55:02,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:55:02,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:55:02,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:55:02,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:55:02,730 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:55:02,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:55:02,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:55:02,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:55:02,747 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:55:02,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:55:02,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:55:02,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:55:02,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:55:02,749 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:55:02,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:55:02,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:55:02,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:55:02,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:55:02,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:55:02,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:55:02,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:55:02,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:55:02,750 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:55:02,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:55:02,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:55:02,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:55:02,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:55:02,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:55:02,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:55:02,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:55:02,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:55:02,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:55:02,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:55:02,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:55:02,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:55:02,752 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:55:02,752 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:55:02,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:55:02,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b6f1572bb543b70f7bd76f4bd7f000d1e6bbc46b09feb0ab48e04376b774bb9 [2022-07-13 17:55:02,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:55:03,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:55:03,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:55:03,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:55:03,007 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:55:03,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2022-07-13 17:55:03,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3417a2d/329840bedb1e4fc8a54283b8c74b90bf/FLAG701ad2759 [2022-07-13 17:55:03,498 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:55:03,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product34.cil.c [2022-07-13 17:55:03,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3417a2d/329840bedb1e4fc8a54283b8c74b90bf/FLAG701ad2759 [2022-07-13 17:55:03,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f3417a2d/329840bedb1e4fc8a54283b8c74b90bf [2022-07-13 17:55:03,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:55:03,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:55:03,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:55:03,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:55:03,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:55:03,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:55:03" (1/1) ... [2022-07-13 17:55:03,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552cd0b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:03, skipping insertion in model container [2022-07-13 17:55:03,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:55:03" (1/1) ... [2022-07-13 17:55:03,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:55:03,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:55:04,077 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_spec8_product34.cil.c[28285,28298] [2022-07-13 17:55:04,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:55:04,201 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:55:04,243 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_spec8_product34.cil.c[28285,28298] [2022-07-13 17:55:04,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:55:04,347 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:55:04,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04 WrapperNode [2022-07-13 17:55:04,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:55:04,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:55:04,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:55:04,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:55:04,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,438 INFO L137 Inliner]: procedures = 135, calls = 242, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1110 [2022-07-13 17:55:04,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:55:04,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:55:04,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:55:04,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:55:04,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:55:04,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:55:04,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:55:04,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:55:04,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (1/1) ... [2022-07-13 17:55:04,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:55:04,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:04,547 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) [2022-07-13 17:55:04,569 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 [2022-07-13 17:55:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2022-07-13 17:55:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2022-07-13 17:55:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2022-07-13 17:55:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2022-07-13 17:55:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2022-07-13 17:55:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2022-07-13 17:55:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2022-07-13 17:55:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2022-07-13 17:55:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2022-07-13 17:55:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2022-07-13 17:55:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2022-07-13 17:55:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2022-07-13 17:55:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2022-07-13 17:55:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2022-07-13 17:55:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2022-07-13 17:55:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2022-07-13 17:55:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2022-07-13 17:55:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2022-07-13 17:55:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2022-07-13 17:55:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2022-07-13 17:55:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2022-07-13 17:55:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2022-07-13 17:55:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2022-07-13 17:55:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2022-07-13 17:55:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-07-13 17:55:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2022-07-13 17:55:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2022-07-13 17:55:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2022-07-13 17:55:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2022-07-13 17:55:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:55:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2022-07-13 17:55:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2022-07-13 17:55:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2022-07-13 17:55:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2022-07-13 17:55:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2022-07-13 17:55:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2022-07-13 17:55:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2022-07-13 17:55:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2022-07-13 17:55:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2022-07-13 17:55:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2022-07-13 17:55:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2022-07-13 17:55:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2022-07-13 17:55:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2022-07-13 17:55:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2022-07-13 17:55:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2022-07-13 17:55:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2022-07-13 17:55:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2022-07-13 17:55:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2022-07-13 17:55:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2022-07-13 17:55:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2022-07-13 17:55:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2022-07-13 17:55:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2022-07-13 17:55:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2022-07-13 17:55:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2022-07-13 17:55:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:55:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2022-07-13 17:55:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2022-07-13 17:55:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2022-07-13 17:55:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2022-07-13 17:55:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:55:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:55:04,864 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:55:04,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:55:05,531 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:55:05,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:55:05,546 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 17:55:05,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:55:05 BoogieIcfgContainer [2022-07-13 17:55:05,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:55:05,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:55:05,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:55:05,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:55:05,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:55:03" (1/3) ... [2022-07-13 17:55:05,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490f31e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:55:05, skipping insertion in model container [2022-07-13 17:55:05,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:55:04" (2/3) ... [2022-07-13 17:55:05,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490f31e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:55:05, skipping insertion in model container [2022-07-13 17:55:05,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:55:05" (3/3) ... [2022-07-13 17:55:05,555 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product34.cil.c [2022-07-13 17:55:05,564 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:55:05,565 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:55:05,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:55:05,619 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@61faa050, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3e8e12f [2022-07-13 17:55:05,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:55:05,623 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) [2022-07-13 17:55:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-07-13 17:55:05,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:05,640 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] [2022-07-13 17:55:05,640 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:05,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1401609271, now seen corresponding path program 1 times [2022-07-13 17:55:05,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:05,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683220628] [2022-07-13 17:55:05,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:05,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:55:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:55:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:55:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-13 17:55:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-13 17:55:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:55:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 17:55:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:55:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 17:55:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 17:55:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-13 17:55:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-13 17:55:06,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:06,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683220628] [2022-07-13 17:55:06,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683220628] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:06,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481426590] [2022-07-13 17:55:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:06,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:06,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:06,054 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) [2022-07-13 17:55:06,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:55:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-13 17:55:06,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 17:55:06,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:06,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481426590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:06,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:06,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2022-07-13 17:55:06,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645339614] [2022-07-13 17:55:06,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:06,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:55:06,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:06,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:55:06,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:55:06,450 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) [2022-07-13 17:55:06,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:06,514 INFO L93 Difference]: Finished difference Result 703 states and 1040 transitions. [2022-07-13 17:55:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:55:06,517 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 [2022-07-13 17:55:06,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:06,527 INFO L225 Difference]: With dead ends: 703 [2022-07-13 17:55:06,527 INFO L226 Difference]: Without dead ends: 441 [2022-07-13 17:55:06,532 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 [2022-07-13 17:55:06,534 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 [2022-07-13 17:55:06,535 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] [2022-07-13 17:55:06,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-07-13 17:55:06,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2022-07-13 17:55:06,584 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) [2022-07-13 17:55:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 663 transitions. [2022-07-13 17:55:06,589 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 663 transitions. Word has length 110 [2022-07-13 17:55:06,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:06,591 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 663 transitions. [2022-07-13 17:55:06,591 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) [2022-07-13 17:55:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 663 transitions. [2022-07-13 17:55:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-13 17:55:06,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:06,596 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] [2022-07-13 17:55:06,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:06,809 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 [2022-07-13 17:55:06,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:06,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:06,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1511627835, now seen corresponding path program 1 times [2022-07-13 17:55:06,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:06,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335454924] [2022-07-13 17:55:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:06,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:55:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:55:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:55:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 17:55:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 17:55:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-13 17:55:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 17:55:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 17:55:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 17:55:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-13 17:55:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-13 17:55:07,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:07,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335454924] [2022-07-13 17:55:07,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335454924] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:07,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211698359] [2022-07-13 17:55:07,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:07,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:07,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:07,002 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) [2022-07-13 17:55:07,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 17:55:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 17:55:07,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 17:55:07,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:07,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211698359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:07,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:07,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-13 17:55:07,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568490989] [2022-07-13 17:55:07,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:07,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:55:07,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:07,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:55:07,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:55:07,271 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) [2022-07-13 17:55:07,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:07,310 INFO L93 Difference]: Finished difference Result 693 states and 1018 transitions. [2022-07-13 17:55:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:55:07,311 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 [2022-07-13 17:55:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:07,314 INFO L225 Difference]: With dead ends: 693 [2022-07-13 17:55:07,314 INFO L226 Difference]: Without dead ends: 444 [2022-07-13 17:55:07,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:55:07,316 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 [2022-07-13 17:55:07,317 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] [2022-07-13 17:55:07,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-07-13 17:55:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2022-07-13 17:55:07,351 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) [2022-07-13 17:55:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 665 transitions. [2022-07-13 17:55:07,355 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 665 transitions. Word has length 111 [2022-07-13 17:55:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:07,356 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 665 transitions. [2022-07-13 17:55:07,356 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) [2022-07-13 17:55:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 665 transitions. [2022-07-13 17:55:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-13 17:55:07,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:07,359 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] [2022-07-13 17:55:07,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:07,571 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 [2022-07-13 17:55:07,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:07,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:07,572 INFO L85 PathProgramCache]: Analyzing trace with hash 843354108, now seen corresponding path program 1 times [2022-07-13 17:55:07,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:07,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794700446] [2022-07-13 17:55:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:07,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:55:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:55:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:55:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-13 17:55:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-13 17:55:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 17:55:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 17:55:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 17:55:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-13 17:55:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-13 17:55:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-13 17:55:07,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:07,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794700446] [2022-07-13 17:55:07,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794700446] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:07,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326196454] [2022-07-13 17:55:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:07,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:07,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:07,698 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) [2022-07-13 17:55:07,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 17:55:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:07,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 17:55:07,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 17:55:07,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:07,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326196454] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:07,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:07,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-13 17:55:07,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949440373] [2022-07-13 17:55:07,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:07,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:55:07,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:07,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:55:07,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:55:07,976 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) [2022-07-13 17:55:07,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:07,999 INFO L93 Difference]: Finished difference Result 934 states and 1422 transitions. [2022-07-13 17:55:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:55:08,000 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 [2022-07-13 17:55:08,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:08,003 INFO L225 Difference]: With dead ends: 934 [2022-07-13 17:55:08,004 INFO L226 Difference]: Without dead ends: 518 [2022-07-13 17:55:08,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:55:08,006 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 [2022-07-13 17:55:08,006 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] [2022-07-13 17:55:08,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-07-13 17:55:08,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 510. [2022-07-13 17:55:08,024 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) [2022-07-13 17:55:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 782 transitions. [2022-07-13 17:55:08,026 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 782 transitions. Word has length 117 [2022-07-13 17:55:08,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:08,027 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 782 transitions. [2022-07-13 17:55:08,027 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) [2022-07-13 17:55:08,027 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 782 transitions. [2022-07-13 17:55:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-13 17:55:08,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:08,029 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] [2022-07-13 17:55:08,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:08,243 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 [2022-07-13 17:55:08,244 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:08,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:08,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2031116616, now seen corresponding path program 1 times [2022-07-13 17:55:08,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:08,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080817526] [2022-07-13 17:55:08,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:08,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:55:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:55:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:55:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 17:55:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 17:55:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 17:55:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 17:55:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-13 17:55:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-13 17:55:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-13 17:55:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-13 17:55:08,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:08,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080817526] [2022-07-13 17:55:08,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080817526] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:08,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962560814] [2022-07-13 17:55:08,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:08,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:08,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:08,368 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) [2022-07-13 17:55:08,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 17:55:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:08,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1179 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 17:55:08,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-13 17:55:08,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:08,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962560814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:08,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:08,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-07-13 17:55:08,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609509288] [2022-07-13 17:55:08,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:08,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:55:08,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:08,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:55:08,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:08,719 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) [2022-07-13 17:55:08,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:08,797 INFO L93 Difference]: Finished difference Result 1011 states and 1554 transitions. [2022-07-13 17:55:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:55:08,798 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 [2022-07-13 17:55:08,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:08,802 INFO L225 Difference]: With dead ends: 1011 [2022-07-13 17:55:08,802 INFO L226 Difference]: Without dead ends: 512 [2022-07-13 17:55:08,804 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 [2022-07-13 17:55:08,807 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 [2022-07-13 17:55:08,810 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] [2022-07-13 17:55:08,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2022-07-13 17:55:08,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2022-07-13 17:55:08,845 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) [2022-07-13 17:55:08,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 785 transitions. [2022-07-13 17:55:08,849 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 785 transitions. Word has length 118 [2022-07-13 17:55:08,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:08,850 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 785 transitions. [2022-07-13 17:55:08,851 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) [2022-07-13 17:55:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 785 transitions. [2022-07-13 17:55:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-13 17:55:08,853 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:08,853 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] [2022-07-13 17:55:08,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:09,070 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 [2022-07-13 17:55:09,071 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:09,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1440532084, now seen corresponding path program 1 times [2022-07-13 17:55:09,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:09,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411448279] [2022-07-13 17:55:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:09,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-13 17:55:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 17:55:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-13 17:55:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:55:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 17:55:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:55:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 17:55:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 17:55:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-13 17:55:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-13 17:55:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 17:55:09,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:09,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411448279] [2022-07-13 17:55:09,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411448279] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:09,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830694274] [2022-07-13 17:55:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:09,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:09,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:09,238 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) [2022-07-13 17:55:09,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 17:55:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 1180 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 17:55:09,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-13 17:55:09,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:55:09,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830694274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:09,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:55:09,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2022-07-13 17:55:09,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771340975] [2022-07-13 17:55:09,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:09,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:55:09,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:09,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:55:09,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-07-13 17:55:09,520 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) [2022-07-13 17:55:09,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:09,574 INFO L93 Difference]: Finished difference Result 1013 states and 1559 transitions. [2022-07-13 17:55:09,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:55:09,575 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 [2022-07-13 17:55:09,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:09,578 INFO L225 Difference]: With dead ends: 1013 [2022-07-13 17:55:09,578 INFO L226 Difference]: Without dead ends: 514 [2022-07-13 17:55:09,580 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 [2022-07-13 17:55:09,580 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 [2022-07-13 17:55:09,580 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] [2022-07-13 17:55:09,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-07-13 17:55:09,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2022-07-13 17:55:09,594 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) [2022-07-13 17:55:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 791 transitions. [2022-07-13 17:55:09,597 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 791 transitions. Word has length 119 [2022-07-13 17:55:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:09,597 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 791 transitions. [2022-07-13 17:55:09,597 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) [2022-07-13 17:55:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 791 transitions. [2022-07-13 17:55:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-13 17:55:09,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:09,599 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] [2022-07-13 17:55:09,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:09,819 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 [2022-07-13 17:55:09,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1239817995, now seen corresponding path program 1 times [2022-07-13 17:55:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:09,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065297196] [2022-07-13 17:55:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 17:55:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 17:55:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-13 17:55:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-13 17:55:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 17:55:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:55:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 17:55:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:09,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-13 17:55:09,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:09,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065297196] [2022-07-13 17:55:09,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065297196] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:09,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:09,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 17:55:09,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033559725] [2022-07-13 17:55:09,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:09,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 17:55:09,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:09,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 17:55:09,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:55:09,929 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) [2022-07-13 17:55:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:11,702 INFO L93 Difference]: Finished difference Result 1210 states and 1878 transitions. [2022-07-13 17:55:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 17:55:11,703 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 [2022-07-13 17:55:11,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:11,707 INFO L225 Difference]: With dead ends: 1210 [2022-07-13 17:55:11,707 INFO L226 Difference]: Without dead ends: 719 [2022-07-13 17:55:11,708 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 [2022-07-13 17:55:11,709 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 1851 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1873 SdHoareTripleChecker+Valid, 1691 SdHoareTripleChecker+Invalid, 3254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 736 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:11,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1873 Valid, 1691 Invalid, 3254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [736 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 17:55:11,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-07-13 17:55:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 514. [2022-07-13 17:55:11,765 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) [2022-07-13 17:55:11,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 790 transitions. [2022-07-13 17:55:11,768 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 790 transitions. Word has length 120 [2022-07-13 17:55:11,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:11,768 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 790 transitions. [2022-07-13 17:55:11,769 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) [2022-07-13 17:55:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 790 transitions. [2022-07-13 17:55:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-13 17:55:11,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:11,772 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] [2022-07-13 17:55:11,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:55:11,773 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:11,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:11,773 INFO L85 PathProgramCache]: Analyzing trace with hash 880428033, now seen corresponding path program 2 times [2022-07-13 17:55:11,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:11,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803745151] [2022-07-13 17:55:11,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:11,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 17:55:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-13 17:55:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-13 17:55:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 17:55:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 17:55:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-13 17:55:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 17:55:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-13 17:55:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-13 17:55:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-13 17:55:11,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:11,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803745151] [2022-07-13 17:55:11,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803745151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:11,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:11,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 17:55:11,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259015984] [2022-07-13 17:55:11,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:11,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 17:55:11,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:11,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 17:55:11,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:55:11,901 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) [2022-07-13 17:55:13,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:13,733 INFO L93 Difference]: Finished difference Result 1212 states and 1881 transitions. [2022-07-13 17:55:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-13 17:55:13,734 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 [2022-07-13 17:55:13,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:13,740 INFO L225 Difference]: With dead ends: 1212 [2022-07-13 17:55:13,740 INFO L226 Difference]: Without dead ends: 721 [2022-07-13 17:55:13,743 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 [2022-07-13 17:55:13,743 INFO L413 NwaCegarLoop]: 725 mSDtfsCounter, 1802 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 2574 mSolverCounterSat, 737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 3311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 737 IncrementalHoareTripleChecker+Valid, 2574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:13,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 1710 Invalid, 3311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [737 Valid, 2574 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-13 17:55:13,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-07-13 17:55:13,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2022-07-13 17:55:13,769 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) [2022-07-13 17:55:13,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 793 transitions. [2022-07-13 17:55:13,771 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 793 transitions. Word has length 121 [2022-07-13 17:55:13,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:13,772 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 793 transitions. [2022-07-13 17:55:13,772 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) [2022-07-13 17:55:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 793 transitions. [2022-07-13 17:55:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-13 17:55:13,773 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:13,774 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] [2022-07-13 17:55:13,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:55:13,774 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:13,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:13,774 INFO L85 PathProgramCache]: Analyzing trace with hash -124712218, now seen corresponding path program 1 times [2022-07-13 17:55:13,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:13,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868531999] [2022-07-13 17:55:13,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:13,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-13 17:55:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 17:55:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-13 17:55:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-13 17:55:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 17:55:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 17:55:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-13 17:55:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-13 17:55:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:13,917 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 17:55:13,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:13,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868531999] [2022-07-13 17:55:13,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868531999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:13,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:13,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 17:55:13,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492648577] [2022-07-13 17:55:13,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 17:55:13,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:13,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 17:55:13,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:13,919 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) [2022-07-13 17:55:16,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:16,339 INFO L93 Difference]: Finished difference Result 1210 states and 1876 transitions. [2022-07-13 17:55:16,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 17:55:16,340 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 [2022-07-13 17:55:16,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:16,343 INFO L225 Difference]: With dead ends: 1210 [2022-07-13 17:55:16,344 INFO L226 Difference]: Without dead ends: 721 [2022-07-13 17:55:16,345 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 [2022-07-13 17:55:16,345 INFO L413 NwaCegarLoop]: 735 mSDtfsCounter, 1855 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4829 mSolverCounterSat, 760 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 5589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 760 IncrementalHoareTripleChecker+Valid, 4829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:16,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 2093 Invalid, 5589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [760 Valid, 4829 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-13 17:55:16,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2022-07-13 17:55:16,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 516. [2022-07-13 17:55:16,383 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) [2022-07-13 17:55:16,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 792 transitions. [2022-07-13 17:55:16,385 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 792 transitions. Word has length 122 [2022-07-13 17:55:16,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:16,386 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 792 transitions. [2022-07-13 17:55:16,386 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) [2022-07-13 17:55:16,386 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 792 transitions. [2022-07-13 17:55:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-13 17:55:16,388 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:16,388 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] [2022-07-13 17:55:16,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:55:16,388 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:16,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:16,389 INFO L85 PathProgramCache]: Analyzing trace with hash -580455267, now seen corresponding path program 2 times [2022-07-13 17:55:16,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:16,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583155718] [2022-07-13 17:55:16,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:16,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-13 17:55:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-13 17:55:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 17:55:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 17:55:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 17:55:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 17:55:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-13 17:55:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-13 17:55:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-13 17:55:16,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:16,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583155718] [2022-07-13 17:55:16,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583155718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:16,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:16,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 17:55:16,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40147874] [2022-07-13 17:55:16,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:16,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 17:55:16,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:16,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 17:55:16,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:55:16,508 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) [2022-07-13 17:55:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:18,837 INFO L93 Difference]: Finished difference Result 1212 states and 1882 transitions. [2022-07-13 17:55:18,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 17:55:18,837 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 [2022-07-13 17:55:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:18,840 INFO L225 Difference]: With dead ends: 1212 [2022-07-13 17:55:18,841 INFO L226 Difference]: Without dead ends: 723 [2022-07-13 17:55:18,842 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 [2022-07-13 17:55:18,842 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 1963 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4456 mSolverCounterSat, 811 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 5267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 811 IncrementalHoareTripleChecker+Valid, 4456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:18,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 2042 Invalid, 5267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [811 Valid, 4456 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-13 17:55:18,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-07-13 17:55:18,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 518. [2022-07-13 17:55:18,866 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) [2022-07-13 17:55:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 798 transitions. [2022-07-13 17:55:18,868 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 798 transitions. Word has length 123 [2022-07-13 17:55:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:18,869 INFO L495 AbstractCegarLoop]: Abstraction has 518 states and 798 transitions. [2022-07-13 17:55:18,869 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) [2022-07-13 17:55:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 798 transitions. [2022-07-13 17:55:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-13 17:55:18,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:18,871 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] [2022-07-13 17:55:18,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 17:55:18,872 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:18,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:18,872 INFO L85 PathProgramCache]: Analyzing trace with hash -384876767, now seen corresponding path program 1 times [2022-07-13 17:55:18,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:18,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754573599] [2022-07-13 17:55:18,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:18,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 17:55:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-13 17:55:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 17:55:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 17:55:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-13 17:55:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-13 17:55:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:18,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:18,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754573599] [2022-07-13 17:55:18,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754573599] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:55:18,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71016201] [2022-07-13 17:55:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:18,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:55:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:55:18,960 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) [2022-07-13 17:55:18,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 17:55:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:19,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-13 17:55:19,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:55:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:19,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 17:55:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:19,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71016201] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 17:55:19,300 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 17:55:19,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-13 17:55:19,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225423777] [2022-07-13 17:55:19,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 17:55:19,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 17:55:19,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:19,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 17:55:19,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:55:19,303 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) [2022-07-13 17:55:21,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:21,132 INFO L93 Difference]: Finished difference Result 1414 states and 2275 transitions. [2022-07-13 17:55:21,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 17:55:21,133 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 [2022-07-13 17:55:21,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:21,137 INFO L225 Difference]: With dead ends: 1414 [2022-07-13 17:55:21,138 INFO L226 Difference]: Without dead ends: 1165 [2022-07-13 17:55:21,139 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 [2022-07-13 17:55:21,139 INFO L413 NwaCegarLoop]: 877 mSDtfsCounter, 2154 mSDsluCounter, 1465 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 2342 SdHoareTripleChecker+Invalid, 3400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 890 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:21,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 2342 Invalid, 3400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [890 Valid, 2510 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-13 17:55:21,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-07-13 17:55:21,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 936. [2022-07-13 17:55:21,183 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) [2022-07-13 17:55:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1539 transitions. [2022-07-13 17:55:21,185 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1539 transitions. Word has length 124 [2022-07-13 17:55:21,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:21,186 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1539 transitions. [2022-07-13 17:55:21,186 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) [2022-07-13 17:55:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1539 transitions. [2022-07-13 17:55:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-13 17:55:21,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:21,189 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] [2022-07-13 17:55:21,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 17:55:21,403 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 [2022-07-13 17:55:21,404 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:21,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1303955588, now seen corresponding path program 1 times [2022-07-13 17:55:21,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:21,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469346960] [2022-07-13 17:55:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-13 17:55:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 17:55:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-13 17:55:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-13 17:55:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 17:55:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-13 17:55:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-13 17:55:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-13 17:55:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:21,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:21,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469346960] [2022-07-13 17:55:21,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469346960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:21,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:21,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:21,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911365698] [2022-07-13 17:55:21,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:21,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:21,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:21,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:21,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:21,472 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) [2022-07-13 17:55:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:22,895 INFO L93 Difference]: Finished difference Result 2432 states and 4076 transitions. [2022-07-13 17:55:22,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:22,896 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 [2022-07-13 17:55:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:22,902 INFO L225 Difference]: With dead ends: 2432 [2022-07-13 17:55:22,903 INFO L226 Difference]: Without dead ends: 1564 [2022-07-13 17:55:22,905 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 [2022-07-13 17:55:22,905 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 1710 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 2162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:22,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1728 Valid, 1585 Invalid, 2162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:22,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2022-07-13 17:55:22,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1351. [2022-07-13 17:55:22,973 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) [2022-07-13 17:55:22,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2267 transitions. [2022-07-13 17:55:22,987 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2267 transitions. Word has length 130 [2022-07-13 17:55:22,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:22,987 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 2267 transitions. [2022-07-13 17:55:22,987 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) [2022-07-13 17:55:22,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2267 transitions. [2022-07-13 17:55:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-13 17:55:22,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:22,992 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] [2022-07-13 17:55:22,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 17:55:22,993 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:22,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:22,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1870689843, now seen corresponding path program 1 times [2022-07-13 17:55:22,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:22,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362530101] [2022-07-13 17:55:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:22,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 17:55:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-13 17:55:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 17:55:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 17:55:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-13 17:55:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-13 17:55:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 17:55:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:23,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:23,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362530101] [2022-07-13 17:55:23,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362530101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:23,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:23,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:23,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061124261] [2022-07-13 17:55:23,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:23,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:23,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:23,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:23,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:23,063 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) [2022-07-13 17:55:24,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:24,479 INFO L93 Difference]: Finished difference Result 3446 states and 5854 transitions. [2022-07-13 17:55:24,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:24,488 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 [2022-07-13 17:55:24,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:24,498 INFO L225 Difference]: With dead ends: 3446 [2022-07-13 17:55:24,498 INFO L226 Difference]: Without dead ends: 2216 [2022-07-13 17:55:24,501 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 [2022-07-13 17:55:24,502 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 1780 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 783 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 783 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:24,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1800 Valid, 1519 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [783 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:24,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-07-13 17:55:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2003. [2022-07-13 17:55:24,588 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) [2022-07-13 17:55:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 2003 states and 3392 transitions. [2022-07-13 17:55:24,592 INFO L78 Accepts]: Start accepts. Automaton has 2003 states and 3392 transitions. Word has length 131 [2022-07-13 17:55:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:24,593 INFO L495 AbstractCegarLoop]: Abstraction has 2003 states and 3392 transitions. [2022-07-13 17:55:24,593 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) [2022-07-13 17:55:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 3392 transitions. [2022-07-13 17:55:24,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-13 17:55:24,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:24,600 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] [2022-07-13 17:55:24,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 17:55:24,601 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:24,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:24,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1061539902, now seen corresponding path program 1 times [2022-07-13 17:55:24,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:24,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134664369] [2022-07-13 17:55:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:24,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-13 17:55:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 17:55:24,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-13 17:55:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 17:55:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-13 17:55:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-13 17:55:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-13 17:55:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 17:55:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:24,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:24,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:24,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134664369] [2022-07-13 17:55:24,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134664369] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:24,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:24,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:24,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614341298] [2022-07-13 17:55:24,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:24,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:24,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:24,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:24,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:24,690 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) [2022-07-13 17:55:26,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:26,164 INFO L93 Difference]: Finished difference Result 4976 states and 8556 transitions. [2022-07-13 17:55:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:26,164 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 [2022-07-13 17:55:26,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:26,176 INFO L225 Difference]: With dead ends: 4976 [2022-07-13 17:55:26,177 INFO L226 Difference]: Without dead ends: 3219 [2022-07-13 17:55:26,182 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 [2022-07-13 17:55:26,183 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 1743 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 781 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:26,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 1540 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [781 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-07-13 17:55:26,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 3006. [2022-07-13 17:55:26,297 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) [2022-07-13 17:55:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 3006 states and 5134 transitions. [2022-07-13 17:55:26,304 INFO L78 Accepts]: Start accepts. Automaton has 3006 states and 5134 transitions. Word has length 132 [2022-07-13 17:55:26,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:26,304 INFO L495 AbstractCegarLoop]: Abstraction has 3006 states and 5134 transitions. [2022-07-13 17:55:26,304 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) [2022-07-13 17:55:26,305 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 5134 transitions. [2022-07-13 17:55:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-13 17:55:26,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:26,330 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] [2022-07-13 17:55:26,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 17:55:26,331 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:26,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:26,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2010719470, now seen corresponding path program 1 times [2022-07-13 17:55:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:26,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067037981] [2022-07-13 17:55:26,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-13 17:55:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-13 17:55:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-13 17:55:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-13 17:55:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-13 17:55:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-13 17:55:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 17:55:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:26,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:26,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067037981] [2022-07-13 17:55:26,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067037981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:26,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:26,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:26,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830739403] [2022-07-13 17:55:26,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:26,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:26,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:26,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:26,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:26,404 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) [2022-07-13 17:55:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:27,858 INFO L93 Difference]: Finished difference Result 7400 states and 12845 transitions. [2022-07-13 17:55:27,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:27,858 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 [2022-07-13 17:55:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:27,884 INFO L225 Difference]: With dead ends: 7400 [2022-07-13 17:55:27,885 INFO L226 Difference]: Without dead ends: 4844 [2022-07-13 17:55:27,892 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 [2022-07-13 17:55:27,893 INFO L413 NwaCegarLoop]: 755 mSDtfsCounter, 1768 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 764 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:27,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 1525 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [764 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4844 states. [2022-07-13 17:55:28,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4844 to 4631. [2022-07-13 17:55:28,103 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) [2022-07-13 17:55:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 4631 states and 7951 transitions. [2022-07-13 17:55:28,115 INFO L78 Accepts]: Start accepts. Automaton has 4631 states and 7951 transitions. Word has length 133 [2022-07-13 17:55:28,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:28,116 INFO L495 AbstractCegarLoop]: Abstraction has 4631 states and 7951 transitions. [2022-07-13 17:55:28,116 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) [2022-07-13 17:55:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4631 states and 7951 transitions. [2022-07-13 17:55:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-13 17:55:28,129 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:28,130 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] [2022-07-13 17:55:28,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 17:55:28,130 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:28,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:28,130 INFO L85 PathProgramCache]: Analyzing trace with hash -439809242, now seen corresponding path program 1 times [2022-07-13 17:55:28,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:28,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119342841] [2022-07-13 17:55:28,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:28,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-13 17:55:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 17:55:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-13 17:55:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-13 17:55:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-13 17:55:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-13 17:55:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-13 17:55:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 17:55:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:28,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:28,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119342841] [2022-07-13 17:55:28,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119342841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:28,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:28,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:28,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78959434] [2022-07-13 17:55:28,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:28,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:28,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:28,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:28,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:28,219 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) [2022-07-13 17:55:29,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:29,718 INFO L93 Difference]: Finished difference Result 11446 states and 20005 transitions. [2022-07-13 17:55:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:29,718 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 [2022-07-13 17:55:29,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:29,756 INFO L225 Difference]: With dead ends: 11446 [2022-07-13 17:55:29,756 INFO L226 Difference]: Without dead ends: 7577 [2022-07-13 17:55:29,769 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 [2022-07-13 17:55:29,771 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 1670 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 753 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:29,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 1618 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [753 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7577 states. [2022-07-13 17:55:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7577 to 7364. [2022-07-13 17:55:30,062 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) [2022-07-13 17:55:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7364 states to 7364 states and 12686 transitions. [2022-07-13 17:55:30,076 INFO L78 Accepts]: Start accepts. Automaton has 7364 states and 12686 transitions. Word has length 134 [2022-07-13 17:55:30,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:30,077 INFO L495 AbstractCegarLoop]: Abstraction has 7364 states and 12686 transitions. [2022-07-13 17:55:30,077 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) [2022-07-13 17:55:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 7364 states and 12686 transitions. [2022-07-13 17:55:30,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-13 17:55:30,094 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:30,094 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] [2022-07-13 17:55:30,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-13 17:55:30,094 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:30,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1727156306, now seen corresponding path program 1 times [2022-07-13 17:55:30,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:30,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597827217] [2022-07-13 17:55:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-13 17:55:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 17:55:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-13 17:55:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-13 17:55:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-13 17:55:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-13 17:55:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-13 17:55:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-13 17:55:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:30,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:30,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:30,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597827217] [2022-07-13 17:55:30,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597827217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:30,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:30,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:30,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319456493] [2022-07-13 17:55:30,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:30,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:30,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:30,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:30,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:30,172 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) [2022-07-13 17:55:31,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:31,935 INFO L93 Difference]: Finished difference Result 18781 states and 32889 transitions. [2022-07-13 17:55:31,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:31,936 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 [2022-07-13 17:55:31,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:31,973 INFO L225 Difference]: With dead ends: 18781 [2022-07-13 17:55:31,974 INFO L226 Difference]: Without dead ends: 12556 [2022-07-13 17:55:31,989 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 [2022-07-13 17:55:31,990 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 1763 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:31,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1782 Valid, 1538 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12556 states. [2022-07-13 17:55:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12556 to 12343. [2022-07-13 17:55:32,470 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) [2022-07-13 17:55:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12343 states to 12343 states and 21298 transitions. [2022-07-13 17:55:32,502 INFO L78 Accepts]: Start accepts. Automaton has 12343 states and 21298 transitions. Word has length 135 [2022-07-13 17:55:32,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:32,503 INFO L495 AbstractCegarLoop]: Abstraction has 12343 states and 21298 transitions. [2022-07-13 17:55:32,503 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) [2022-07-13 17:55:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12343 states and 21298 transitions. [2022-07-13 17:55:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-13 17:55:32,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:32,529 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] [2022-07-13 17:55:32,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-13 17:55:32,530 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:32,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:32,530 INFO L85 PathProgramCache]: Analyzing trace with hash -97339240, now seen corresponding path program 1 times [2022-07-13 17:55:32,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:32,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443632884] [2022-07-13 17:55:32,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:32,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-13 17:55:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:55:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-13 17:55:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-13 17:55:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-13 17:55:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-13 17:55:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-13 17:55:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-13 17:55:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:32,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:32,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443632884] [2022-07-13 17:55:32,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443632884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:32,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:32,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:32,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865945146] [2022-07-13 17:55:32,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:32,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:32,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:32,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:32,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:32,602 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) [2022-07-13 17:55:34,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:34,488 INFO L93 Difference]: Finished difference Result 29739 states and 51854 transitions. [2022-07-13 17:55:34,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:34,489 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 [2022-07-13 17:55:34,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:34,546 INFO L225 Difference]: With dead ends: 29739 [2022-07-13 17:55:34,546 INFO L226 Difference]: Without dead ends: 19509 [2022-07-13 17:55:34,571 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 [2022-07-13 17:55:34,572 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 1723 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:34,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 1547 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19509 states. [2022-07-13 17:55:35,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19509 to 19296. [2022-07-13 17:55:35,341 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) [2022-07-13 17:55:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19296 states to 19296 states and 32990 transitions. [2022-07-13 17:55:35,392 INFO L78 Accepts]: Start accepts. Automaton has 19296 states and 32990 transitions. Word has length 136 [2022-07-13 17:55:35,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:35,393 INFO L495 AbstractCegarLoop]: Abstraction has 19296 states and 32990 transitions. [2022-07-13 17:55:35,393 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) [2022-07-13 17:55:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19296 states and 32990 transitions. [2022-07-13 17:55:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-13 17:55:35,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:35,417 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] [2022-07-13 17:55:35,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-13 17:55:35,417 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:35,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:35,417 INFO L85 PathProgramCache]: Analyzing trace with hash -495626387, now seen corresponding path program 1 times [2022-07-13 17:55:35,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:35,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890564387] [2022-07-13 17:55:35,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:35,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 17:55:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 17:55:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:55:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-13 17:55:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 17:55:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-13 17:55:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-13 17:55:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-13 17:55:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:35,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:35,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890564387] [2022-07-13 17:55:35,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890564387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:35,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:35,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:35,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732175332] [2022-07-13 17:55:35,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:35,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:35,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:35,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:35,494 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) [2022-07-13 17:55:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:37,896 INFO L93 Difference]: Finished difference Result 51171 states and 88974 transitions. [2022-07-13 17:55:37,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:37,896 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 [2022-07-13 17:55:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:38,030 INFO L225 Difference]: With dead ends: 51171 [2022-07-13 17:55:38,030 INFO L226 Difference]: Without dead ends: 34630 [2022-07-13 17:55:38,074 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 [2022-07-13 17:55:38,074 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 1727 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:38,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 1537 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:38,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34630 states. [2022-07-13 17:55:39,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34630 to 34417. [2022-07-13 17:55:39,572 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) [2022-07-13 17:55:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34417 states to 34417 states and 58767 transitions. [2022-07-13 17:55:39,672 INFO L78 Accepts]: Start accepts. Automaton has 34417 states and 58767 transitions. Word has length 137 [2022-07-13 17:55:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:39,673 INFO L495 AbstractCegarLoop]: Abstraction has 34417 states and 58767 transitions. [2022-07-13 17:55:39,673 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) [2022-07-13 17:55:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 34417 states and 58767 transitions. [2022-07-13 17:55:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-13 17:55:39,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:39,710 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] [2022-07-13 17:55:39,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-13 17:55:39,710 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:39,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:39,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1168339618, now seen corresponding path program 1 times [2022-07-13 17:55:39,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:39,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811973327] [2022-07-13 17:55:39,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-13 17:55:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-13 17:55:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-13 17:55:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-13 17:55:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-13 17:55:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-13 17:55:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-13 17:55:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-13 17:55:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:39,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:39,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811973327] [2022-07-13 17:55:39,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811973327] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:39,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:39,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:39,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099597832] [2022-07-13 17:55:39,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:39,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:39,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:39,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:39,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:39,797 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) [2022-07-13 17:55:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:43,185 INFO L93 Difference]: Finished difference Result 94043 states and 162768 transitions. [2022-07-13 17:55:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:43,185 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 [2022-07-13 17:55:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:43,438 INFO L225 Difference]: With dead ends: 94043 [2022-07-13 17:55:43,438 INFO L226 Difference]: Without dead ends: 63297 [2022-07-13 17:55:43,526 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 [2022-07-13 17:55:43,529 INFO L413 NwaCegarLoop]: 773 mSDtfsCounter, 1723 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:43,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1548 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-13 17:55:43,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63297 states. [2022-07-13 17:55:45,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63297 to 63084. [2022-07-13 17:55:45,878 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) [2022-07-13 17:55:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63084 states to 63084 states and 107476 transitions. [2022-07-13 17:55:46,102 INFO L78 Accepts]: Start accepts. Automaton has 63084 states and 107476 transitions. Word has length 138 [2022-07-13 17:55:46,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:46,103 INFO L495 AbstractCegarLoop]: Abstraction has 63084 states and 107476 transitions. [2022-07-13 17:55:46,103 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) [2022-07-13 17:55:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 63084 states and 107476 transitions. [2022-07-13 17:55:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-07-13 17:55:46,463 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:46,464 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] [2022-07-13 17:55:46,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-13 17:55:46,464 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:46,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:46,465 INFO L85 PathProgramCache]: Analyzing trace with hash -602877139, now seen corresponding path program 1 times [2022-07-13 17:55:46,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:46,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137578379] [2022-07-13 17:55:46,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:46,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-13 17:55:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-13 17:55:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-13 17:55:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-13 17:55:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-13 17:55:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-13 17:55:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-13 17:55:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-13 17:55:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:46,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:46,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:46,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137578379] [2022-07-13 17:55:46,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137578379] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:46,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:46,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:55:46,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048113800] [2022-07-13 17:55:46,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:46,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:55:46,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:46,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:55:46,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:55:46,555 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) [2022-07-13 17:55:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:55:51,159 INFO L93 Difference]: Finished difference Result 118419 states and 205402 transitions. [2022-07-13 17:55:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:55:51,160 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 [2022-07-13 17:55:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:55:51,829 INFO L225 Difference]: With dead ends: 118419 [2022-07-13 17:55:51,829 INFO L226 Difference]: Without dead ends: 118170 [2022-07-13 17:55:51,876 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 [2022-07-13 17:55:51,876 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 1713 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 771 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1732 SdHoareTripleChecker+Valid, 1542 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 771 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:55:51,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1732 Valid, 1542 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [771 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-13 17:55:51,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118170 states. [2022-07-13 17:55:56,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118170 to 117957. [2022-07-13 17:55:56,502 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) [2022-07-13 17:55:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117957 states to 117957 states and 200349 transitions. [2022-07-13 17:55:56,878 INFO L78 Accepts]: Start accepts. Automaton has 117957 states and 200349 transitions. Word has length 139 [2022-07-13 17:55:56,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:55:56,878 INFO L495 AbstractCegarLoop]: Abstraction has 117957 states and 200349 transitions. [2022-07-13 17:55:56,878 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) [2022-07-13 17:55:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 117957 states and 200349 transitions. [2022-07-13 17:55:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-13 17:55:56,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:55:56,921 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] [2022-07-13 17:55:56,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-13 17:55:56,922 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:55:56,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:55:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash 52684063, now seen corresponding path program 1 times [2022-07-13 17:55:56,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:55:56,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925711028] [2022-07-13 17:55:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:55:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:55:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:55:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:55:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:55:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:55:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:55:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:55:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 17:55:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 17:55:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 17:55:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-13 17:55:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-13 17:55:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-13 17:55:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-13 17:55:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-13 17:55:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:55:57,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:55:57,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:55:57,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925711028] [2022-07-13 17:55:57,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925711028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:55:57,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:55:57,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-07-13 17:55:57,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777642077] [2022-07-13 17:55:57,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:55:57,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-13 17:55:57,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:55:57,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-13 17:55:57,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-07-13 17:55:57,309 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) [2022-07-13 17:56:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:56:12,589 INFO L93 Difference]: Finished difference Result 236072 states and 412813 transitions. [2022-07-13 17:56:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-07-13 17:56:12,589 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 [2022-07-13 17:56:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:56:13,706 INFO L225 Difference]: With dead ends: 236072 [2022-07-13 17:56:13,706 INFO L226 Difference]: Without dead ends: 235829 [2022-07-13 17:56:13,812 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 [2022-07-13 17:56:13,813 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 6420 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 14260 mSolverCounterSat, 3836 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6420 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 18096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3836 IncrementalHoareTripleChecker+Valid, 14260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:56:13,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6420 Valid, 4131 Invalid, 18096 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3836 Valid, 14260 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-13 17:56:14,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235829 states. [2022-07-13 17:56:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235829 to 235020. [2022-07-13 17:56:24,141 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) [2022-07-13 17:56:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235020 states to 235020 states and 402510 transitions. [2022-07-13 17:56:25,335 INFO L78 Accepts]: Start accepts. Automaton has 235020 states and 402510 transitions. Word has length 140 [2022-07-13 17:56:25,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:56:25,335 INFO L495 AbstractCegarLoop]: Abstraction has 235020 states and 402510 transitions. [2022-07-13 17:56:25,335 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) [2022-07-13 17:56:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 235020 states and 402510 transitions. [2022-07-13 17:56:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-13 17:56:25,421 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:56:25,421 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] [2022-07-13 17:56:25,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-13 17:56:25,421 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:56:25,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:56:25,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1359170625, now seen corresponding path program 1 times [2022-07-13 17:56:25,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:56:25,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746417514] [2022-07-13 17:56:25,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:56:25,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:56:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-13 17:56:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-13 17:56:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-13 17:56:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:56:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-13 17:56:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:56:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-13 17:56:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-13 17:56:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-13 17:56:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-13 17:56:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-13 17:56:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-13 17:56:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-13 17:56:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-13 17:56:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:56:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-13 17:56:25,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:56:25,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746417514] [2022-07-13 17:56:25,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746417514] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:56:25,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:56:25,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-13 17:56:25,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919641249] [2022-07-13 17:56:25,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:56:25,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-13 17:56:25,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:56:25,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-13 17:56:25,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-13 17:56:25,525 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)