./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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_spec27_product29.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 f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 13:05:13,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 13:05:13,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 13:05:13,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 13:05:13,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 13:05:13,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 13:05:13,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 13:05:13,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 13:05:13,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 13:05:13,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 13:05:13,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 13:05:13,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 13:05:13,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 13:05:13,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 13:05:13,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 13:05:13,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 13:05:13,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 13:05:13,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 13:05:13,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 13:05:13,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 13:05:13,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 13:05:13,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 13:05:13,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 13:05:13,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 13:05:13,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 13:05:13,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 13:05:13,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 13:05:13,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 13:05:13,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 13:05:13,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 13:05:13,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 13:05:13,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 13:05:13,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 13:05:13,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 13:05:13,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 13:05:13,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 13:05:13,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 13:05:13,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 13:05:13,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 13:05:13,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 13:05:13,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 13:05:13,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 13:05:13,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 13:05:13,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 13:05:13,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 13:05:13,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 13:05:13,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 13:05:13,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 13:05:13,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 13:05:13,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 13:05:13,630 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 13:05:13,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 13:05:13,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 13:05:13,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 13:05:13,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 13:05:13,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 13:05:13,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 13:05:13,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 13:05:13,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 13:05:13,633 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 13:05:13,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 13:05:13,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 13:05:13,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 13:05:13,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 13:05:13,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 13:05:13,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 13:05:13,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:05:13,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 13:05:13,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 13:05:13,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 13:05:13,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 13:05:13,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 13:05:13,635 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 13:05:13,635 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 13:05:13,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 13:05:13,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 13:05:13,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1b2e6fc3090957bb44fbf381fe29c5adbd1106bdb77e2b6b77c5e6e962ffc5b [2021-12-21 13:05:13,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 13:05:13,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 13:05:13,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 13:05:13,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 13:05:13,871 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 13:05:13,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2021-12-21 13:05:13,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f082f7c9/510d1f8043064f0d8526ea6483336642/FLAG29ed63569 [2021-12-21 13:05:14,402 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 13:05:14,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2021-12-21 13:05:14,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f082f7c9/510d1f8043064f0d8526ea6483336642/FLAG29ed63569 [2021-12-21 13:05:14,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f082f7c9/510d1f8043064f0d8526ea6483336642 [2021-12-21 13:05:14,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 13:05:14,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 13:05:14,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 13:05:14,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 13:05:14,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 13:05:14,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:05:14" (1/1) ... [2021-12-21 13:05:14,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97e375e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:14, skipping insertion in model container [2021-12-21 13:05:14,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:05:14" (1/1) ... [2021-12-21 13:05:14,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 13:05:14,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 13:05:14,766 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_spec27_product29.cil.c[37973,37986] [2021-12-21 13:05:14,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:05:14,957 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 13:05:15,036 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_spec27_product29.cil.c[37973,37986] [2021-12-21 13:05:15,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 13:05:15,113 INFO L208 MainTranslator]: Completed translation [2021-12-21 13:05:15,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15 WrapperNode [2021-12-21 13:05:15,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 13:05:15,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 13:05:15,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 13:05:15,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 13:05:15,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,232 INFO L137 Inliner]: procedures = 131, calls = 228, calls flagged for inlining = 54, calls inlined = 47, statements flattened = 930 [2021-12-21 13:05:15,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 13:05:15,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 13:05:15,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 13:05:15,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 13:05:15,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 13:05:15,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 13:05:15,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 13:05:15,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 13:05:15,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (1/1) ... [2021-12-21 13:05:15,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 13:05:15,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:15,356 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) [2021-12-21 13:05:15,363 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 [2021-12-21 13:05:15,389 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2021-12-21 13:05:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2021-12-21 13:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2021-12-21 13:05:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2021-12-21 13:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2021-12-21 13:05:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2021-12-21 13:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2021-12-21 13:05:15,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2021-12-21 13:05:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2021-12-21 13:05:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2021-12-21 13:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2021-12-21 13:05:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2021-12-21 13:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2021-12-21 13:05:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2021-12-21 13:05:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2021-12-21 13:05:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2021-12-21 13:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2021-12-21 13:05:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2021-12-21 13:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2021-12-21 13:05:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2021-12-21 13:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2021-12-21 13:05:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2021-12-21 13:05:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2021-12-21 13:05:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2021-12-21 13:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-12-21 13:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2021-12-21 13:05:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2021-12-21 13:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2021-12-21 13:05:15,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2021-12-21 13:05:15,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 13:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2021-12-21 13:05:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2021-12-21 13:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2021-12-21 13:05:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2021-12-21 13:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2021-12-21 13:05:15,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2021-12-21 13:05:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2021-12-21 13:05:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2021-12-21 13:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2021-12-21 13:05:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2021-12-21 13:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2021-12-21 13:05:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2021-12-21 13:05:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2021-12-21 13:05:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2021-12-21 13:05:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2021-12-21 13:05:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2021-12-21 13:05:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2021-12-21 13:05:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2021-12-21 13:05:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2021-12-21 13:05:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2021-12-21 13:05:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2021-12-21 13:05:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2021-12-21 13:05:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2021-12-21 13:05:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2021-12-21 13:05:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2021-12-21 13:05:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2021-12-21 13:05:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 13:05:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2021-12-21 13:05:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2021-12-21 13:05:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2021-12-21 13:05:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2021-12-21 13:05:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 13:05:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 13:05:15,656 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 13:05:15,658 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 13:05:16,319 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 13:05:16,335 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 13:05:16,336 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 13:05:16,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:05:16 BoogieIcfgContainer [2021-12-21 13:05:16,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 13:05:16,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 13:05:16,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 13:05:16,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 13:05:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:05:14" (1/3) ... [2021-12-21 13:05:16,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3a8a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:05:16, skipping insertion in model container [2021-12-21 13:05:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:05:15" (2/3) ... [2021-12-21 13:05:16,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c3a8a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:05:16, skipping insertion in model container [2021-12-21 13:05:16,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:05:16" (3/3) ... [2021-12-21 13:05:16,353 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2021-12-21 13:05:16,356 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 13:05:16,356 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 13:05:16,401 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 13:05:16,416 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 13:05:16,416 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 13:05:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 415 states, 320 states have (on average 1.553125) internal successors, (497), 325 states have internal predecessors, (497), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2021-12-21 13:05:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-21 13:05:16,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:16,491 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:16,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:16,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:16,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1476793235, now seen corresponding path program 1 times [2021-12-21 13:05:16,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:16,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490660781] [2021-12-21 13:05:16,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:16,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:05:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:05:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 13:05:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 13:05:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-21 13:05:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 13:05:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 13:05:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:05:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-21 13:05:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 13:05:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 13:05:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 13:05:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:05:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 13:05:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 13:05:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 13:05:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 13:05:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 13:05:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 13:05:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-21 13:05:17,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:17,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490660781] [2021-12-21 13:05:17,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490660781] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:05:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976515016] [2021-12-21 13:05:17,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:17,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:17,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:17,088 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) [2021-12-21 13:05:17,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 13:05:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:17,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-21 13:05:17,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:05:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-21 13:05:17,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:05:17,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976515016] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:17,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:05:17,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 9 [2021-12-21 13:05:17,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711562857] [2021-12-21 13:05:17,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:17,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 13:05:17,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:17,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 13:05:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:05:17,846 INFO L87 Difference]: Start difference. First operand has 415 states, 320 states have (on average 1.553125) internal successors, (497), 325 states have internal predecessors, (497), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:17,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:17,900 INFO L93 Difference]: Finished difference Result 642 states and 948 transitions. [2021-12-21 13:05:17,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 13:05:17,903 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2021-12-21 13:05:17,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:17,916 INFO L225 Difference]: With dead ends: 642 [2021-12-21 13:05:17,917 INFO L226 Difference]: Without dead ends: 408 [2021-12-21 13:05:17,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:05:17,924 INFO L933 BasicCegarLoop]: 621 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, 621 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 [2021-12-21 13:05:17,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:05:17,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2021-12-21 13:05:17,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2021-12-21 13:05:17,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 314 states have (on average 1.5477707006369428) internal successors, (486), 318 states have internal predecessors, (486), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 13:05:18,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 613 transitions. [2021-12-21 13:05:18,004 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 613 transitions. Word has length 170 [2021-12-21 13:05:18,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:18,005 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 613 transitions. [2021-12-21 13:05:18,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 613 transitions. [2021-12-21 13:05:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-21 13:05:18,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:18,013 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:18,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-21 13:05:18,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-12-21 13:05:18,237 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:18,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:18,238 INFO L85 PathProgramCache]: Analyzing trace with hash -545010507, now seen corresponding path program 1 times [2021-12-21 13:05:18,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:18,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71891071] [2021-12-21 13:05:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:18,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:05:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:05:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 13:05:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 13:05:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-21 13:05:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 13:05:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 13:05:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 13:05:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:05:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 13:05:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 13:05:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 13:05:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 13:05:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 13:05:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 13:05:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 13:05:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-21 13:05:18,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:18,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71891071] [2021-12-21 13:05:18,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71891071] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:05:18,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184741456] [2021-12-21 13:05:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:18,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:18,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:18,448 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) [2021-12-21 13:05:18,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 13:05:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:18,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 13:05:18,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:05:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-21 13:05:19,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:05:19,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184741456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:19,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:05:19,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-21 13:05:19,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092539690] [2021-12-21 13:05:19,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:19,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:05:19,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:19,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:05:19,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:05:19,048 INFO L87 Difference]: Start difference. First operand 408 states and 613 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:19,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:19,101 INFO L93 Difference]: Finished difference Result 632 states and 926 transitions. [2021-12-21 13:05:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:05:19,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 152 [2021-12-21 13:05:19,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:19,110 INFO L225 Difference]: With dead ends: 632 [2021-12-21 13:05:19,110 INFO L226 Difference]: Without dead ends: 411 [2021-12-21 13:05:19,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:05:19,116 INFO L933 BasicCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1220 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 [2021-12-21 13:05:19,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 1220 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:05:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-12-21 13:05:19,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 410. [2021-12-21 13:05:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 316 states have (on average 1.5443037974683544) internal successors, (488), 320 states have internal predecessors, (488), 64 states have call successors, (64), 29 states have call predecessors, (64), 29 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2021-12-21 13:05:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 615 transitions. [2021-12-21 13:05:19,148 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 615 transitions. Word has length 152 [2021-12-21 13:05:19,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:19,149 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 615 transitions. [2021-12-21 13:05:19,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 615 transitions. [2021-12-21 13:05:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-21 13:05:19,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:19,153 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:19,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 13:05:19,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-12-21 13:05:19,373 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:19,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:19,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1260799038, now seen corresponding path program 1 times [2021-12-21 13:05:19,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:19,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375758358] [2021-12-21 13:05:19,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:19,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:05:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:05:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 13:05:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 13:05:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 13:05:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 13:05:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 13:05:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:05:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 13:05:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 13:05:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 13:05:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:05:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 13:05:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 13:05:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 13:05:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 13:05:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-21 13:05:19,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:19,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375758358] [2021-12-21 13:05:19,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375758358] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:05:19,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213419413] [2021-12-21 13:05:19,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:19,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:19,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:19,538 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) [2021-12-21 13:05:19,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 13:05:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:19,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 13:05:19,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:05:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-21 13:05:20,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:05:20,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213419413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:20,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:05:20,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-21 13:05:20,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161051659] [2021-12-21 13:05:20,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:20,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 13:05:20,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:20,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 13:05:20,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:05:20,025 INFO L87 Difference]: Start difference. First operand 410 states and 615 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:20,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:20,053 INFO L93 Difference]: Finished difference Result 863 states and 1314 transitions. [2021-12-21 13:05:20,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 13:05:20,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 158 [2021-12-21 13:05:20,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:20,057 INFO L225 Difference]: With dead ends: 863 [2021-12-21 13:05:20,057 INFO L226 Difference]: Without dead ends: 480 [2021-12-21 13:05:20,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-21 13:05:20,059 INFO L933 BasicCegarLoop]: 641 mSDtfsCounter, 126 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1208 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 [2021-12-21 13:05:20,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 1208 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:05:20,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-12-21 13:05:20,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2021-12-21 13:05:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 364 states have (on average 1.5631868131868132) internal successors, (569), 368 states have internal predecessors, (569), 78 states have call successors, (78), 29 states have call predecessors, (78), 29 states have return successors, (77), 76 states have call predecessors, (77), 77 states have call successors, (77) [2021-12-21 13:05:20,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 724 transitions. [2021-12-21 13:05:20,090 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 724 transitions. Word has length 158 [2021-12-21 13:05:20,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:20,091 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 724 transitions. [2021-12-21 13:05:20,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 724 transitions. [2021-12-21 13:05:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-21 13:05:20,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:20,095 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:20,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-21 13:05:20,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:20,316 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:20,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:20,316 INFO L85 PathProgramCache]: Analyzing trace with hash 623752647, now seen corresponding path program 1 times [2021-12-21 13:05:20,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:20,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973481251] [2021-12-21 13:05:20,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:20,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-21 13:05:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 13:05:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 13:05:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 13:05:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 13:05:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 13:05:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:05:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 13:05:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:05:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-21 13:05:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 13:05:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 13:05:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 13:05:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 13:05:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 13:05:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 13:05:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-21 13:05:20,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:20,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973481251] [2021-12-21 13:05:20,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973481251] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:05:20,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280030776] [2021-12-21 13:05:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:20,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:20,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:20,451 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) [2021-12-21 13:05:20,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-21 13:05:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:20,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-21 13:05:20,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:05:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-21 13:05:21,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:05:21,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280030776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:21,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:05:21,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-12-21 13:05:21,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451232413] [2021-12-21 13:05:21,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:21,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:05:21,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:21,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:05:21,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:05:21,034 INFO L87 Difference]: Start difference. First operand 472 states and 724 transitions. Second operand has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:21,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:21,110 INFO L93 Difference]: Finished difference Result 935 states and 1438 transitions. [2021-12-21 13:05:21,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:05:21,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 159 [2021-12-21 13:05:21,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:21,114 INFO L225 Difference]: With dead ends: 935 [2021-12-21 13:05:21,114 INFO L226 Difference]: Without dead ends: 474 [2021-12-21 13:05:21,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:21,118 INFO L933 BasicCegarLoop]: 604 mSDtfsCounter, 144 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 2250 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:21,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 2250 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:05:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-12-21 13:05:21,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2021-12-21 13:05:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 365 states have (on average 1.5616438356164384) internal successors, (570), 370 states have internal predecessors, (570), 78 states have call successors, (78), 29 states have call predecessors, (78), 30 states have return successors, (79), 76 states have call predecessors, (79), 77 states have call successors, (79) [2021-12-21 13:05:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 727 transitions. [2021-12-21 13:05:21,143 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 727 transitions. Word has length 159 [2021-12-21 13:05:21,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:21,144 INFO L470 AbstractCegarLoop]: Abstraction has 474 states and 727 transitions. [2021-12-21 13:05:21,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.75) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 727 transitions. [2021-12-21 13:05:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-21 13:05:21,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:21,147 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:21,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-21 13:05:21,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:21,364 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:21,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:21,365 INFO L85 PathProgramCache]: Analyzing trace with hash 817381486, now seen corresponding path program 1 times [2021-12-21 13:05:21,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:21,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762484727] [2021-12-21 13:05:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:21,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-21 13:05:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-21 13:05:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-21 13:05:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 13:05:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 13:05:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 13:05:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-21 13:05:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 13:05:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:05:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 13:05:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-21 13:05:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:05:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:05:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-21 13:05:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-21 13:05:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-21 13:05:21,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:21,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762484727] [2021-12-21 13:05:21,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762484727] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:05:21,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207519506] [2021-12-21 13:05:21,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:21,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:21,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:21,536 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) [2021-12-21 13:05:21,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-21 13:05:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:21,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1277 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-21 13:05:21,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:05:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-21 13:05:22,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-21 13:05:22,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207519506] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:22,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-21 13:05:22,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2021-12-21 13:05:22,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975285997] [2021-12-21 13:05:22,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:22,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 13:05:22,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:22,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 13:05:22,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-12-21 13:05:22,110 INFO L87 Difference]: Start difference. First operand 474 states and 727 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:22,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:22,177 INFO L93 Difference]: Finished difference Result 937 states and 1443 transitions. [2021-12-21 13:05:22,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 13:05:22,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 160 [2021-12-21 13:05:22,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:22,181 INFO L225 Difference]: With dead ends: 937 [2021-12-21 13:05:22,181 INFO L226 Difference]: Without dead ends: 476 [2021-12-21 13:05:22,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-12-21 13:05:22,183 INFO L933 BasicCegarLoop]: 602 mSDtfsCounter, 143 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2239 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:22,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 2239 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 13:05:22,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2021-12-21 13:05:22,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2021-12-21 13:05:22,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 366 states have (on average 1.5601092896174864) internal successors, (571), 372 states have internal predecessors, (571), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2021-12-21 13:05:22,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 733 transitions. [2021-12-21 13:05:22,207 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 733 transitions. Word has length 160 [2021-12-21 13:05:22,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:22,208 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 733 transitions. [2021-12-21 13:05:22,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:22,208 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 733 transitions. [2021-12-21 13:05:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-21 13:05:22,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:22,212 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:22,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-21 13:05:22,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:22,437 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:22,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:22,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1179092392, now seen corresponding path program 1 times [2021-12-21 13:05:22,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:22,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202022473] [2021-12-21 13:05:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:22,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 13:05:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 13:05:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 13:05:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-21 13:05:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 13:05:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 13:05:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:05:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:05:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 13:05:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 13:05:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 13:05:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-21 13:05:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 13:05:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 13:05:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-21 13:05:22,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:22,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202022473] [2021-12-21 13:05:22,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202022473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:22,573 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:22,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 13:05:22,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006400351] [2021-12-21 13:05:22,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:22,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 13:05:22,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 13:05:22,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:05:22,575 INFO L87 Difference]: Start difference. First operand 476 states and 733 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:24,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:24,192 INFO L93 Difference]: Finished difference Result 1033 states and 1610 transitions. [2021-12-21 13:05:24,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 13:05:24,192 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 161 [2021-12-21 13:05:24,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:24,196 INFO L225 Difference]: With dead ends: 1033 [2021-12-21 13:05:24,196 INFO L226 Difference]: Without dead ends: 580 [2021-12-21 13:05:24,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:05:24,198 INFO L933 BasicCegarLoop]: 652 mSDtfsCounter, 1513 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1533 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 554 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:24,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1533 Valid, 1853 Invalid, 2424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [554 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-21 13:05:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-12-21 13:05:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 476. [2021-12-21 13:05:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 366 states have (on average 1.5601092896174864) internal successors, (571), 372 states have internal predecessors, (571), 78 states have call successors, (78), 29 states have call predecessors, (78), 31 states have return successors, (83), 76 states have call predecessors, (83), 77 states have call successors, (83) [2021-12-21 13:05:24,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 732 transitions. [2021-12-21 13:05:24,238 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 732 transitions. Word has length 161 [2021-12-21 13:05:24,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:24,238 INFO L470 AbstractCegarLoop]: Abstraction has 476 states and 732 transitions. [2021-12-21 13:05:24,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 5 states have internal predecessors, (97), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 732 transitions. [2021-12-21 13:05:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-21 13:05:24,241 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:24,242 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:24,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 13:05:24,242 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:24,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:24,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1341554771, now seen corresponding path program 2 times [2021-12-21 13:05:24,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:24,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801679823] [2021-12-21 13:05:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:24,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 13:05:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 13:05:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-21 13:05:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 13:05:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 13:05:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 13:05:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 13:05:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 13:05:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-21 13:05:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 13:05:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 13:05:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 13:05:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 13:05:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 13:05:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-21 13:05:24,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:24,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801679823] [2021-12-21 13:05:24,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801679823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:24,376 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:24,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 13:05:24,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195250245] [2021-12-21 13:05:24,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:24,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 13:05:24,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:24,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 13:05:24,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-21 13:05:24,378 INFO L87 Difference]: Start difference. First operand 476 states and 732 transitions. Second operand has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:25,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:25,997 INFO L93 Difference]: Finished difference Result 1035 states and 1613 transitions. [2021-12-21 13:05:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-21 13:05:25,997 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 162 [2021-12-21 13:05:25,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:26,002 INFO L225 Difference]: With dead ends: 1035 [2021-12-21 13:05:26,002 INFO L226 Difference]: Without dead ends: 582 [2021-12-21 13:05:26,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:05:26,004 INFO L933 BasicCegarLoop]: 658 mSDtfsCounter, 1495 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 2438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:26,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1515 Valid, 1865 Invalid, 2438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-21 13:05:26,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-12-21 13:05:26,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 478. [2021-12-21 13:05:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 367 states have (on average 1.55858310626703) internal successors, (572), 374 states have internal predecessors, (572), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (85), 76 states have call predecessors, (85), 77 states have call successors, (85) [2021-12-21 13:05:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 735 transitions. [2021-12-21 13:05:26,044 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 735 transitions. Word has length 162 [2021-12-21 13:05:26,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:26,044 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 735 transitions. [2021-12-21 13:05:26,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.25) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (23), 6 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 13:05:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 735 transitions. [2021-12-21 13:05:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-12-21 13:05:26,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:26,048 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:26,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 13:05:26,048 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1921417712, now seen corresponding path program 1 times [2021-12-21 13:05:26,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:26,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352732657] [2021-12-21 13:05:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:26,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-21 13:05:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-21 13:05:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 13:05:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 13:05:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 13:05:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 13:05:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 13:05:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-21 13:05:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 13:05:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-21 13:05:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 13:05:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:05:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 13:05:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 13:05:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 13:05:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:05:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 13:05:26,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:26,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352732657] [2021-12-21 13:05:26,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352732657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:26,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:26,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 13:05:26,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306519451] [2021-12-21 13:05:26,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:26,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 13:05:26,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:26,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 13:05:26,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:05:26,204 INFO L87 Difference]: Start difference. First operand 478 states and 735 transitions. Second operand has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-12-21 13:05:28,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:28,366 INFO L93 Difference]: Finished difference Result 1033 states and 1608 transitions. [2021-12-21 13:05:28,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 13:05:28,367 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 182 [2021-12-21 13:05:28,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:28,380 INFO L225 Difference]: With dead ends: 1033 [2021-12-21 13:05:28,381 INFO L226 Difference]: Without dead ends: 582 [2021-12-21 13:05:28,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-12-21 13:05:28,383 INFO L933 BasicCegarLoop]: 624 mSDtfsCounter, 1686 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 3332 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1686 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 3946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 3332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:28,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1686 Valid, 2402 Invalid, 3946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 3332 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 13:05:28,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-12-21 13:05:28,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 478. [2021-12-21 13:05:28,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 367 states have (on average 1.55858310626703) internal successors, (572), 374 states have internal predecessors, (572), 78 states have call successors, (78), 29 states have call predecessors, (78), 32 states have return successors, (84), 76 states have call predecessors, (84), 77 states have call successors, (84) [2021-12-21 13:05:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 734 transitions. [2021-12-21 13:05:28,412 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 734 transitions. Word has length 182 [2021-12-21 13:05:28,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:28,412 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 734 transitions. [2021-12-21 13:05:28,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.909090909090908) internal successors, (109), 8 states have internal predecessors, (109), 4 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-12-21 13:05:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 734 transitions. [2021-12-21 13:05:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-21 13:05:28,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:28,416 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:28,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 13:05:28,416 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:28,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:28,417 INFO L85 PathProgramCache]: Analyzing trace with hash 913938597, now seen corresponding path program 1 times [2021-12-21 13:05:28,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:28,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835574024] [2021-12-21 13:05:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:28,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 13:05:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-21 13:05:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 13:05:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 13:05:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 13:05:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 13:05:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 13:05:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:05:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-21 13:05:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:05:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:05:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 13:05:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 13:05:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-21 13:05:28,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:28,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835574024] [2021-12-21 13:05:28,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835574024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:28,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:28,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-21 13:05:28,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434901605] [2021-12-21 13:05:28,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:28,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-21 13:05:28,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:28,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-21 13:05:28,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-21 13:05:28,566 INFO L87 Difference]: Start difference. First operand 478 states and 734 transitions. Second operand has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-21 13:05:30,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:30,696 INFO L93 Difference]: Finished difference Result 1035 states and 1614 transitions. [2021-12-21 13:05:30,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 13:05:30,696 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2021-12-21 13:05:30,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:30,700 INFO L225 Difference]: With dead ends: 1035 [2021-12-21 13:05:30,700 INFO L226 Difference]: Without dead ends: 584 [2021-12-21 13:05:30,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2021-12-21 13:05:30,702 INFO L933 BasicCegarLoop]: 623 mSDtfsCounter, 1678 mSDsluCounter, 1766 mSDsCounter, 0 mSdLazyCounter, 3343 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 2389 SdHoareTripleChecker+Invalid, 3959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 3343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:30,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1678 Valid, 2389 Invalid, 3959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 3343 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 13:05:30,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-12-21 13:05:30,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 480. [2021-12-21 13:05:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 368 states have (on average 1.5570652173913044) internal successors, (573), 376 states have internal predecessors, (573), 78 states have call successors, (78), 29 states have call predecessors, (78), 33 states have return successors, (89), 76 states have call predecessors, (89), 77 states have call successors, (89) [2021-12-21 13:05:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 740 transitions. [2021-12-21 13:05:30,727 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 740 transitions. Word has length 164 [2021-12-21 13:05:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:30,729 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 740 transitions. [2021-12-21 13:05:30,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.363636363636363) internal successors, (103), 8 states have internal predecessors, (103), 4 states have call successors, (23), 6 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-12-21 13:05:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 740 transitions. [2021-12-21 13:05:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-21 13:05:30,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:30,732 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:30,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 13:05:30,732 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:30,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:30,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1100249621, now seen corresponding path program 1 times [2021-12-21 13:05:30,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:30,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857265415] [2021-12-21 13:05:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:30,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 13:05:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 13:05:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:05:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-21 13:05:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 13:05:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 13:05:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:05:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 13:05:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 13:05:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:05:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-21 13:05:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-21 13:05:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 13:05:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:05:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 13:05:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 13:05:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:30,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:30,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857265415] [2021-12-21 13:05:30,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857265415] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 13:05:30,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005462409] [2021-12-21 13:05:30,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:30,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:30,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 13:05:30,888 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) [2021-12-21 13:05:30,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-21 13:05:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:31,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-21 13:05:31,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 13:05:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:31,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 13:05:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:31,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005462409] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 13:05:31,666 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 13:05:31,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-12-21 13:05:31,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729362143] [2021-12-21 13:05:31,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 13:05:31,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-21 13:05:31,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:31,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-21 13:05:31,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-21 13:05:31,669 INFO L87 Difference]: Start difference. First operand 480 states and 740 transitions. Second operand has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-21 13:05:33,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:33,302 INFO L93 Difference]: Finished difference Result 1222 states and 1983 transitions. [2021-12-21 13:05:33,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-21 13:05:33,303 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 184 [2021-12-21 13:05:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:33,309 INFO L225 Difference]: With dead ends: 1222 [2021-12-21 13:05:33,309 INFO L226 Difference]: Without dead ends: 1001 [2021-12-21 13:05:33,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-12-21 13:05:33,311 INFO L933 BasicCegarLoop]: 749 mSDtfsCounter, 1896 mSDsluCounter, 1644 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 710 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 2393 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 710 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:33,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1950 Valid, 2393 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [710 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-21 13:05:33,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2021-12-21 13:05:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 873. [2021-12-21 13:05:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 682 states have (on average 1.6217008797653958) internal successors, (1106), 690 states have internal predecessors, (1106), 157 states have call successors, (157), 29 states have call predecessors, (157), 33 states have return successors, (178), 155 states have call predecessors, (178), 156 states have call successors, (178) [2021-12-21 13:05:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1441 transitions. [2021-12-21 13:05:33,369 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1441 transitions. Word has length 184 [2021-12-21 13:05:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:33,369 INFO L470 AbstractCegarLoop]: Abstraction has 873 states and 1441 transitions. [2021-12-21 13:05:33,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.545454545454545) internal successors, (160), 7 states have internal predecessors, (160), 2 states have call successors, (53), 6 states have call predecessors, (53), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-12-21 13:05:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1441 transitions. [2021-12-21 13:05:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-21 13:05:33,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:33,375 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:33,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-21 13:05:33,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 13:05:33,600 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:33,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1261428783, now seen corresponding path program 1 times [2021-12-21 13:05:33,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:33,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167781639] [2021-12-21 13:05:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:33,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 13:05:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 13:05:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 13:05:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 13:05:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 13:05:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:05:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 13:05:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 13:05:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 13:05:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 13:05:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-21 13:05:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-21 13:05:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:05:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:33,715 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 13:05:33,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:33,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167781639] [2021-12-21 13:05:33,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167781639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:33,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:33,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:33,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551416683] [2021-12-21 13:05:33,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:33,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:33,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:33,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:33,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:33,718 INFO L87 Difference]: Start difference. First operand 873 states and 1441 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:34,831 INFO L93 Difference]: Finished difference Result 2180 states and 3688 transitions. [2021-12-21 13:05:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:34,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 171 [2021-12-21 13:05:34,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:34,838 INFO L225 Difference]: With dead ends: 2180 [2021-12-21 13:05:34,838 INFO L226 Difference]: Without dead ends: 1375 [2021-12-21 13:05:34,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:34,842 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 1525 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 1560 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:34,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 1560 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2021-12-21 13:05:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1263. [2021-12-21 13:05:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 993 states have (on average 1.6374622356495467) internal successors, (1626), 1001 states have internal predecessors, (1626), 236 states have call successors, (236), 29 states have call predecessors, (236), 33 states have return successors, (267), 234 states have call predecessors, (267), 235 states have call successors, (267) [2021-12-21 13:05:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 2129 transitions. [2021-12-21 13:05:34,912 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 2129 transitions. Word has length 171 [2021-12-21 13:05:34,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:34,912 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 2129 transitions. [2021-12-21 13:05:34,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 3 states have internal predecessors, (105), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2129 transitions. [2021-12-21 13:05:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-21 13:05:34,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:34,920 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:34,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 13:05:34,921 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:34,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:34,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1296611190, now seen corresponding path program 1 times [2021-12-21 13:05:34,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:34,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816575737] [2021-12-21 13:05:34,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:34,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:34,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:34,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:34,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 13:05:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 13:05:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 13:05:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 13:05:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 13:05:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:05:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 13:05:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 13:05:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:05:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 13:05:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 13:05:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 13:05:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 13:05:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 13:05:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 13:05:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 13:05:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:35,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:35,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816575737] [2021-12-21 13:05:35,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816575737] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:35,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:35,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:35,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430288658] [2021-12-21 13:05:35,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:35,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:35,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:35,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:35,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:35,061 INFO L87 Difference]: Start difference. First operand 1263 states and 2129 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:36,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:36,239 INFO L93 Difference]: Finished difference Result 3129 states and 5362 transitions. [2021-12-21 13:05:36,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:36,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 191 [2021-12-21 13:05:36,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:36,248 INFO L225 Difference]: With dead ends: 3129 [2021-12-21 13:05:36,248 INFO L226 Difference]: Without dead ends: 1987 [2021-12-21 13:05:36,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:36,252 INFO L933 BasicCegarLoop]: 677 mSDtfsCounter, 1505 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:36,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1523 Valid, 1517 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:36,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2021-12-21 13:05:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1875. [2021-12-21 13:05:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1875 states, 1486 states have (on average 1.6480484522207268) internal successors, (2449), 1494 states have internal predecessors, (2449), 355 states have call successors, (355), 29 states have call predecessors, (355), 33 states have return successors, (386), 353 states have call predecessors, (386), 354 states have call successors, (386) [2021-12-21 13:05:36,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1875 states and 3190 transitions. [2021-12-21 13:05:36,341 INFO L78 Accepts]: Start accepts. Automaton has 1875 states and 3190 transitions. Word has length 191 [2021-12-21 13:05:36,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:36,341 INFO L470 AbstractCegarLoop]: Abstraction has 1875 states and 3190 transitions. [2021-12-21 13:05:36,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3190 transitions. [2021-12-21 13:05:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-21 13:05:36,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:36,352 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:36,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 13:05:36,353 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:36,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:36,353 INFO L85 PathProgramCache]: Analyzing trace with hash 17282321, now seen corresponding path program 1 times [2021-12-21 13:05:36,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:36,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814619259] [2021-12-21 13:05:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:36,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 13:05:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 13:05:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-21 13:05:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 13:05:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 13:05:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-21 13:05:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 13:05:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 13:05:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-21 13:05:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-21 13:05:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-21 13:05:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 13:05:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-21 13:05:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 13:05:36,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:36,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814619259] [2021-12-21 13:05:36,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814619259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:36,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:36,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:36,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595157721] [2021-12-21 13:05:36,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:36,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:36,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:36,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:36,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:36,453 INFO L87 Difference]: Start difference. First operand 1875 states and 3190 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:37,645 INFO L93 Difference]: Finished difference Result 4554 states and 7896 transitions. [2021-12-21 13:05:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:37,646 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2021-12-21 13:05:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:37,660 INFO L225 Difference]: With dead ends: 4554 [2021-12-21 13:05:37,660 INFO L226 Difference]: Without dead ends: 2925 [2021-12-21 13:05:37,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:37,668 INFO L933 BasicCegarLoop]: 660 mSDtfsCounter, 1550 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:37,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1571 Valid, 1498 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [610 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:37,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2021-12-21 13:05:37,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 2813. [2021-12-21 13:05:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 2262 states have (on average 1.656498673740053) internal successors, (3747), 2270 states have internal predecessors, (3747), 517 states have call successors, (517), 29 states have call predecessors, (517), 33 states have return successors, (564), 515 states have call predecessors, (564), 516 states have call successors, (564) [2021-12-21 13:05:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 4828 transitions. [2021-12-21 13:05:37,805 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 4828 transitions. Word has length 173 [2021-12-21 13:05:37,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:37,806 INFO L470 AbstractCegarLoop]: Abstraction has 2813 states and 4828 transitions. [2021-12-21 13:05:37,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 4828 transitions. [2021-12-21 13:05:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-21 13:05:37,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:37,822 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:37,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 13:05:37,822 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:37,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:37,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1495169292, now seen corresponding path program 1 times [2021-12-21 13:05:37,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:37,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590573768] [2021-12-21 13:05:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:37,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-21 13:05:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:05:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-21 13:05:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-21 13:05:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:05:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 13:05:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 13:05:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:05:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 13:05:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:05:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-21 13:05:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-21 13:05:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 13:05:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:37,953 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 13:05:37,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:37,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590573768] [2021-12-21 13:05:37,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590573768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:37,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:37,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:37,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079641810] [2021-12-21 13:05:37,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:37,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:37,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:37,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:37,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:37,955 INFO L87 Difference]: Start difference. First operand 2813 states and 4828 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:39,164 INFO L93 Difference]: Finished difference Result 6803 states and 11905 transitions. [2021-12-21 13:05:39,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:39,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 174 [2021-12-21 13:05:39,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:39,188 INFO L225 Difference]: With dead ends: 6803 [2021-12-21 13:05:39,189 INFO L226 Difference]: Without dead ends: 4440 [2021-12-21 13:05:39,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:39,198 INFO L933 BasicCegarLoop]: 663 mSDtfsCounter, 1557 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1575 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 601 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:39,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1575 Valid, 1507 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [601 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4440 states. [2021-12-21 13:05:39,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4440 to 4328. [2021-12-21 13:05:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 3532 states have (on average 1.6625141562853907) internal successors, (5872), 3540 states have internal predecessors, (5872), 762 states have call successors, (762), 29 states have call predecessors, (762), 33 states have return successors, (835), 760 states have call predecessors, (835), 761 states have call successors, (835) [2021-12-21 13:05:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 7469 transitions. [2021-12-21 13:05:39,420 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 7469 transitions. Word has length 174 [2021-12-21 13:05:39,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:39,420 INFO L470 AbstractCegarLoop]: Abstraction has 4328 states and 7469 transitions. [2021-12-21 13:05:39,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 7469 transitions. [2021-12-21 13:05:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-21 13:05:39,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:39,441 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:39,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 13:05:39,442 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:39,442 INFO L85 PathProgramCache]: Analyzing trace with hash 716943632, now seen corresponding path program 1 times [2021-12-21 13:05:39,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:39,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313751182] [2021-12-21 13:05:39,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:39,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-21 13:05:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 13:05:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-21 13:05:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 13:05:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-21 13:05:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 13:05:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 13:05:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 13:05:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 13:05:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-21 13:05:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 13:05:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-21 13:05:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 13:05:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-21 13:05:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 13:05:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 13:05:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:39,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:39,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313751182] [2021-12-21 13:05:39,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313751182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:39,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:39,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:39,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873024314] [2021-12-21 13:05:39,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:39,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:39,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:39,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:39,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:39,557 INFO L87 Difference]: Start difference. First operand 4328 states and 7469 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:40,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:40,895 INFO L93 Difference]: Finished difference Result 10819 states and 19017 transitions. [2021-12-21 13:05:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:40,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2021-12-21 13:05:40,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:40,931 INFO L225 Difference]: With dead ends: 10819 [2021-12-21 13:05:40,931 INFO L226 Difference]: Without dead ends: 7173 [2021-12-21 13:05:40,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:40,943 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 1564 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 610 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:40,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1582 Valid, 1569 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [610 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:40,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7173 states. [2021-12-21 13:05:41,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7173 to 7061. [2021-12-21 13:05:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7061 states, 5772 states have (on average 1.6592169092169091) internal successors, (9577), 5780 states have internal predecessors, (9577), 1255 states have call successors, (1255), 29 states have call predecessors, (1255), 33 states have return successors, (1372), 1253 states have call predecessors, (1372), 1254 states have call successors, (1372) [2021-12-21 13:05:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7061 states to 7061 states and 12204 transitions. [2021-12-21 13:05:41,359 INFO L78 Accepts]: Start accepts. Automaton has 7061 states and 12204 transitions. Word has length 194 [2021-12-21 13:05:41,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:41,359 INFO L470 AbstractCegarLoop]: Abstraction has 7061 states and 12204 transitions. [2021-12-21 13:05:41,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:41,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7061 states and 12204 transitions. [2021-12-21 13:05:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-21 13:05:41,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:41,392 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:41,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 13:05:41,393 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:41,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:41,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1047143493, now seen corresponding path program 1 times [2021-12-21 13:05:41,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:41,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561147391] [2021-12-21 13:05:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:41,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-21 13:05:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-21 13:05:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-21 13:05:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-21 13:05:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 13:05:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-21 13:05:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-21 13:05:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 13:05:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-21 13:05:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-21 13:05:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-21 13:05:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-21 13:05:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-21 13:05:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 13:05:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 13:05:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 13:05:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:41,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:41,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561147391] [2021-12-21 13:05:41,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561147391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:41,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:41,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:41,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594100223] [2021-12-21 13:05:41,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:41,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:41,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:41,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:41,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:41,513 INFO L87 Difference]: Start difference. First operand 7061 states and 12204 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:42,998 INFO L93 Difference]: Finished difference Result 17959 states and 31589 transitions. [2021-12-21 13:05:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:42,999 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 195 [2021-12-21 13:05:42,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:43,046 INFO L225 Difference]: With dead ends: 17959 [2021-12-21 13:05:43,047 INFO L226 Difference]: Without dead ends: 11957 [2021-12-21 13:05:43,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:43,073 INFO L933 BasicCegarLoop]: 645 mSDtfsCounter, 1587 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 630 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:43,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1606 Valid, 1487 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [630 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:43,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11957 states. [2021-12-21 13:05:43,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11957 to 11845. [2021-12-21 13:05:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11845 states, 9734 states have (on average 1.659646599547976) internal successors, (16155), 9742 states have internal predecessors, (16155), 2077 states have call successors, (2077), 29 states have call predecessors, (2077), 33 states have return successors, (2272), 2075 states have call predecessors, (2272), 2076 states have call successors, (2272) [2021-12-21 13:05:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11845 states to 11845 states and 20504 transitions. [2021-12-21 13:05:43,709 INFO L78 Accepts]: Start accepts. Automaton has 11845 states and 20504 transitions. Word has length 195 [2021-12-21 13:05:43,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:43,709 INFO L470 AbstractCegarLoop]: Abstraction has 11845 states and 20504 transitions. [2021-12-21 13:05:43,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 11845 states and 20504 transitions. [2021-12-21 13:05:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-21 13:05:43,750 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:43,750 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:43,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 13:05:43,751 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:43,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:43,751 INFO L85 PathProgramCache]: Analyzing trace with hash -133451953, now seen corresponding path program 1 times [2021-12-21 13:05:43,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:43,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971329850] [2021-12-21 13:05:43,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:43,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 13:05:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 13:05:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-21 13:05:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 13:05:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:05:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 13:05:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 13:05:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 13:05:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 13:05:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 13:05:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 13:05:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:05:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 13:05:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 13:05:43,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:43,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971329850] [2021-12-21 13:05:43,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971329850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:43,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:43,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:43,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446161092] [2021-12-21 13:05:43,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:43,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:43,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:43,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:43,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:43,880 INFO L87 Difference]: Start difference. First operand 11845 states and 20504 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:45,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:45,452 INFO L93 Difference]: Finished difference Result 28392 states and 49714 transitions. [2021-12-21 13:05:45,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:45,452 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 177 [2021-12-21 13:05:45,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:45,527 INFO L225 Difference]: With dead ends: 28392 [2021-12-21 13:05:45,527 INFO L226 Difference]: Without dead ends: 18550 [2021-12-21 13:05:45,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:45,563 INFO L933 BasicCegarLoop]: 653 mSDtfsCounter, 1564 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:45,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1584 Valid, 1470 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-21 13:05:45,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18550 states. [2021-12-21 13:05:46,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18550 to 18438. [2021-12-21 13:05:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18438 states, 15124 states have (on average 1.6345543507008728) internal successors, (24721), 15132 states have internal predecessors, (24721), 3280 states have call successors, (3280), 29 states have call predecessors, (3280), 33 states have return successors, (3619), 3278 states have call predecessors, (3619), 3279 states have call successors, (3619) [2021-12-21 13:05:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18438 states to 18438 states and 31620 transitions. [2021-12-21 13:05:46,385 INFO L78 Accepts]: Start accepts. Automaton has 18438 states and 31620 transitions. Word has length 177 [2021-12-21 13:05:46,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:46,386 INFO L470 AbstractCegarLoop]: Abstraction has 18438 states and 31620 transitions. [2021-12-21 13:05:46,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:05:46,386 INFO L276 IsEmpty]: Start isEmpty. Operand 18438 states and 31620 transitions. [2021-12-21 13:05:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-21 13:05:46,440 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:46,440 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:46,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 13:05:46,440 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:46,441 INFO L85 PathProgramCache]: Analyzing trace with hash 655271780, now seen corresponding path program 1 times [2021-12-21 13:05:46,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:46,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087342098] [2021-12-21 13:05:46,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:46,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-21 13:05:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 13:05:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-21 13:05:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-21 13:05:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-21 13:05:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 13:05:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-21 13:05:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:05:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 13:05:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-21 13:05:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 13:05:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-21 13:05:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-21 13:05:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-21 13:05:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 13:05:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 13:05:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:46,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:46,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087342098] [2021-12-21 13:05:46,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087342098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:46,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:46,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:46,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114070686] [2021-12-21 13:05:46,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:46,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:46,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:46,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:46,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:46,715 INFO L87 Difference]: Start difference. First operand 18438 states and 31620 transitions. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:48,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:48,774 INFO L93 Difference]: Finished difference Result 48814 states and 85218 transitions. [2021-12-21 13:05:48,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:48,775 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 197 [2021-12-21 13:05:48,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:48,894 INFO L225 Difference]: With dead ends: 48814 [2021-12-21 13:05:48,895 INFO L226 Difference]: Without dead ends: 32986 [2021-12-21 13:05:48,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:48,942 INFO L933 BasicCegarLoop]: 678 mSDtfsCounter, 1497 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 590 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 590 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:48,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1516 Valid, 1517 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [590 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-21 13:05:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32986 states. [2021-12-21 13:05:50,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32986 to 32874. [2021-12-21 13:05:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32874 states, 27110 states have (on average 1.6314275175212098) internal successors, (44228), 27118 states have internal predecessors, (44228), 5730 states have call successors, (5730), 29 states have call predecessors, (5730), 33 states have return successors, (6343), 5728 states have call predecessors, (6343), 5729 states have call successors, (6343) [2021-12-21 13:05:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32874 states to 32874 states and 56301 transitions. [2021-12-21 13:05:50,640 INFO L78 Accepts]: Start accepts. Automaton has 32874 states and 56301 transitions. Word has length 197 [2021-12-21 13:05:50,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:50,640 INFO L470 AbstractCegarLoop]: Abstraction has 32874 states and 56301 transitions. [2021-12-21 13:05:50,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32874 states and 56301 transitions. [2021-12-21 13:05:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-21 13:05:50,716 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:50,716 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:50,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-21 13:05:50,717 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:50,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:50,717 INFO L85 PathProgramCache]: Analyzing trace with hash 256175860, now seen corresponding path program 1 times [2021-12-21 13:05:50,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:50,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034237898] [2021-12-21 13:05:50,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:50,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-21 13:05:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 13:05:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 13:05:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-21 13:05:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-21 13:05:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 13:05:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 13:05:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-21 13:05:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-21 13:05:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 13:05:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 13:05:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 13:05:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 13:05:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 13:05:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-21 13:05:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-21 13:05:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-12-21 13:05:50,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:50,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034237898] [2021-12-21 13:05:50,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034237898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:50,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:50,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:50,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970284142] [2021-12-21 13:05:50,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:50,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:50,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:50,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:50,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:50,821 INFO L87 Difference]: Start difference. First operand 32874 states and 56301 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:05:53,938 INFO L93 Difference]: Finished difference Result 89711 states and 155852 transitions. [2021-12-21 13:05:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:05:53,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 198 [2021-12-21 13:05:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:05:54,345 INFO L225 Difference]: With dead ends: 89711 [2021-12-21 13:05:54,345 INFO L226 Difference]: Without dead ends: 60323 [2021-12-21 13:05:54,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:05:54,416 INFO L933 BasicCegarLoop]: 670 mSDtfsCounter, 1522 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 1516 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-21 13:05:54,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1541 Valid, 1516 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-21 13:05:54,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60323 states. [2021-12-21 13:05:56,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60323 to 60211. [2021-12-21 13:05:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60211 states, 49934 states have (on average 1.627167861577282) internal successors, (81251), 49942 states have internal predecessors, (81251), 10243 states have call successors, (10243), 29 states have call predecessors, (10243), 33 states have return successors, (11388), 10241 states have call predecessors, (11388), 10242 states have call successors, (11388) [2021-12-21 13:05:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60211 states to 60211 states and 102882 transitions. [2021-12-21 13:05:57,020 INFO L78 Accepts]: Start accepts. Automaton has 60211 states and 102882 transitions. Word has length 198 [2021-12-21 13:05:57,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 13:05:57,020 INFO L470 AbstractCegarLoop]: Abstraction has 60211 states and 102882 transitions. [2021-12-21 13:05:57,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 3 states have internal predecessors, (120), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-21 13:05:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 60211 states and 102882 transitions. [2021-12-21 13:05:57,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-21 13:05:57,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 13:05:57,146 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 13:05:57,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-21 13:05:57,146 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION === [outgoing__wrappee__EncryptErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 13:05:57,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 13:05:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash -652712167, now seen corresponding path program 1 times [2021-12-21 13:05:57,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 13:05:57,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040117070] [2021-12-21 13:05:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 13:05:57,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 13:05:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 13:05:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 13:05:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 13:05:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 13:05:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 13:05:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 13:05:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-21 13:05:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-21 13:05:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-21 13:05:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 13:05:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 13:05:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 13:05:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 13:05:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 13:05:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 13:05:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 13:05:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 13:05:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 13:05:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 13:05:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-21 13:05:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 13:05:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-21 13:05:57,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 13:05:57,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040117070] [2021-12-21 13:05:57,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040117070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 13:05:57,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 13:05:57,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 13:05:57,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225444748] [2021-12-21 13:05:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 13:05:57,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 13:05:57,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 13:05:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 13:05:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-21 13:05:57,264 INFO L87 Difference]: Start difference. First operand 60211 states and 102882 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-21 13:06:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 13:06:01,568 INFO L93 Difference]: Finished difference Result 112802 states and 196430 transitions. [2021-12-21 13:06:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 13:06:01,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 180 [2021-12-21 13:06:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 13:06:01,922 INFO L225 Difference]: With dead ends: 112802 [2021-12-21 13:06:01,922 INFO L226 Difference]: Without dead ends: 112581 [2021-12-21 13:06:01,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-12-21 13:06:01,962 INFO L933 BasicCegarLoop]: 658 mSDtfsCounter, 1545 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-21 13:06:01,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1563 Valid, 1502 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-21 13:06:02,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112581 states. [2021-12-21 13:06:06,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112581 to 112469. [2021-12-21 13:06:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112469 states, 93824 states have (on average 1.621738574351978) internal successors, (152158), 93832 states have internal predecessors, (152158), 18611 states have call successors, (18611), 29 states have call predecessors, (18611), 33 states have return successors, (20802), 18609 states have call predecessors, (20802), 18610 states have call successors, (20802)